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PEF2091NV5.3

ISDN Echo Canceller, 1-Func, CMOS, PQCC44, PLASTIC, LCC-44

器件类别:无线/射频/通信    电信电路   

厂商名称:Infineon(英飞凌)

厂商官网:http://www.infineon.com/

器件标准:

下载文档
器件参数
参数名称
属性值
是否Rohs认证
符合
厂商名称
Infineon(英飞凌)
零件包装代码
LCC
包装说明
PLASTIC, LCC-44
针数
44
Reach Compliance Code
compliant
JESD-30 代码
S-PQCC-J44
长度
16.6 mm
湿度敏感等级
1
功能数量
1
端子数量
44
最高工作温度
85 °C
最低工作温度
-40 °C
封装主体材料
PLASTIC/EPOXY
封装代码
QCCJ
封装形状
SQUARE
封装形式
CHIP CARRIER
认证状态
Not Qualified
座面最大高度
4.57 mm
标称供电电压
5 V
表面贴装
YES
技术
CMOS
电信集成电路类型
ISDN ECHO CANCELLER
温度等级
INDUSTRIAL
端子形式
J BEND
端子节距
1.27 mm
端子位置
QUAD
宽度
16.6 mm
文档预览
ICs for Communications
ISDN Echocancellation Circuit
IEC-Q
PEB 2091 Version 5.3
PEF 2091 Version 5.3
Data Sheet 01.99
DS 2
PEB/F 2091
Revision History:
Previous Version:
Page
Page
(in previous (in current
Version)
Version)
Current Version: 01.99
None
Subjects (major changes since last revision)
ABM
®
, AOP
®
, ARCOFI
®
, ARCOFI
®
-BA, ARCOFI
®
-SP, DigiTape
®
, EPIC
®
-1, EPIC
®
-S, ELIC
®
, FALC
®
54,
FALC
®
56, FALC
®
-E1, FALC
®
-LH, IDEC
®
, IOM
®
, IOM
®
-1, IOM
®
-2, IPAT
®
-2, ISAC
®
-P, ISAC
®
-S, ISAC
®
-S TE,
ISAC
®
-P TE, ITAC
®
, IWE
®
, MUSAC
®
-A, OCTAT
®
-P, QUAT
®
-S, SICAT
®
, SICOFI
®
, SICOFI
®
-2, SICOFI
®
-4,
SICOFI
®
-4µC, SLICOFI
®
are registered trademarks of Siemens AG.
ACE
, ASM
, ASP
, POTSWIRE
, QuadFALC
, SCOUT
are trademarks of Siemens AG.
All brand or product names, hardware or software names are trademarks or registered trademarks of their
respective companies or organizations.
Purchase of Siemens
I
2
C components conveys a license under the Philips’
I
2
C patent to use the components in
the
I
2
C-system provided the system conforms to the
I
2
C specifications defined by Philips. Copyright Philips 1983.
For questions on technology, delivery and prices please contact the Semiconductor Group Offices in Germany or
the Siemens Companies and Representatives worldwide: see our webpage at http://www.siemens.de/semicon-
ductor/communication.
Edition 1.99
Published by Siemens AG,
HL SC,
Balanstraße 73,
81541 München
©
Siemens AG 1999.
All Rights Reserved.
Attention please!
As far as patents or other rights of third parties are concerned, liability is only assumed for components, not for
applications, processes and circuits implemented within components or assemblies.
The information describes the type of component and shall not be considered as assured characteristics.
Terms of delivery and rights to change design reserved.
Due to technical requirements components may contain dangerous substances. For information on the types in
question please contact your nearest Siemens Office, Semiconductor Group.
Siemens AG is an approved CECC manufacturer.
Packing
Please use the recycling operators known to you. We can also help you – get in touch with your nearest sales
office. By agreement we will take packing material back, if it is sorted. You must bear the costs of transport.
For packing material that is returned to us unsorted or which we are not obliged to accept, we shall have to invoice
you for any costs incurred.
Components used in life-support devices or systems must be expressly authorized for such purpose!
Critical components
1
of the Semiconductor Group of Siemens AG, may only be used in life-support devices or
systems
2
with the express written approval of the Semiconductor Group of Siemens AG.
1 A critical component is a component used in a life-support device or system whose failure can reasonably be
expected to cause the failure of that life-support device or system, or to affect its safety or effectiveness of that
device or system.
2 Life support devices or systems are intended (a) to be implanted in the human body, or (b) to support and/or
maintain and sustain human life. If they fail, it is reasonable to assume that the health of the user may be en-
dangered.
PEB 2091
PEF 2091
Table of Contents
Page
Preface
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
1
1.1
1.2
1.3
1.4
1.5
1.5.1
1.5.2
1.5.3
1.5.4
1.5.5
1.5.6
1.5.7
1.5.8
1.5.9
2
2.1
2.1.1
2.1.2
2.2
2.2.1
2.2.1.1
2.2.1.2
2.2.1.3
2.2.1.4
2.2.1.5
2.2.1.6
2.2.1.7
2.2.1.8
2.2.1.9
2.2.2
2.2.2.1
2.2.2.2
2.2.2.3
2.2.2.4
2.2.2.5
2.2.2.6
2.2.2.7
2.2.2.8
Overview
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Ordering Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Logic Symbol for µP Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Logic Symbol for Stand-Alone Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
System Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
PCM 2 Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
PCM 4 with FAX/Modem Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Repeater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Wireless Local Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
TE Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Dual Mode U and S Terminals and PC Cards . . . . . . . . . . . . . . . . . . . . .27
NT-PBX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
LT Application and Access Network . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
NT1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Pin Descriptions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
P-LCC-44 Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
T-QFP-64 and M-QFP-64 Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Pin Definitions and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Pin Definition in Stand-Alone Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Mode Selection Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Power Supply Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
IOM
®
-2 Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
IOM
®
-2 Control Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
U-Interface Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Power Controller Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Miscellaneous Function Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Test Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Pin Definition in Microprocessor Mode . . . . . . . . . . . . . . . . . . . . . . . . . .40
Mode Selection Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Data, Address and µP Selection Pins . . . . . . . . . . . . . . . . . . . . . . . . .40
µP Control Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Power Supply Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
IOM
®
-2 Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
U-Interface Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Power Controller Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Semiconductor Group
3
Data Sheet 01.99
PEB 2091
PEF 2091
Table of Contents
Page
2.2.2.9
Miscellaneous Function Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
2.2.2.10
Test Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
2.3
Microprocessor Bus Interface (Overview) . . . . . . . . . . . . . . . . . . . . . . . . . .48
3
3.1
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.3
3.4
3.4.1
3.4.2
3.4.3
3.5
3.5.1
3.5.2
3.6
3.6.1
3.6.1.1
3.6.1.2
3.6.1.3
3.6.2
3.6.2.1
3.6.2.2
3.6.3
3.6.3.1
3.6.3.2
3.6.3.3
3.6.4
3.7
3.7.1
3.7.2
3.7.3
3.7.4
3.7.4.1
3.7.4.2
3.7.5
Functional Description
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Setting Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Basic Operating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Test Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
DOUT Driver Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
IOM
®
-2 Enable/Disable Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
EOC Auto/Transparent Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Monitor Procedure Time-Out (MTO) . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Setting IOM
®
-2 Bit Clock Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Transceiver Core . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
System Interface Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Line Interface Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
U-Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Output and Input Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
U -Frame Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
IOM
®
-2 Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
IOM
®
-2 Frame Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
Multiplexed Timing Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
Plain Timing Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Terminal Timing Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
IOM
®
-2 Command / Indication Channels . . . . . . . . . . . . . . . . . . . . . . . .75
Active C/I Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
C/I Channel 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
IOM
®
-2 Monitor Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Active Monitor Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .76
Monitor Channel 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Monitor Procedure Time-Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Activation/Deactivation of IOM
®
-2 Clocks . . . . . . . . . . . . . . . . . . . . . . . .82
Clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .83
LT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
NT and TE Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
NT-PBX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Repeater Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87
NT Repeater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
LT Repeater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
COT-512 and COT-1536 Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
4
Data Sheet 01.99
Semiconductor Group
PEB 2091
PEF 2091
Table of Contents
3.7.6
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
3.16
4
4.1
4.1.1
4.1.2
4.1.3
4.1.4
4.1.4.1
4.2
4.2.1
4.2.2
4.2.3
4.2.3.1
4.2.3.2
4.2.4
4.3
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.3.6
4.3.7
4.3.8
4.3.9
4.3.10
4.3.11
4.3.12
4.3.13
4.3.14
4.3.15
4.4
4.4.1
Page
Microprocessor Clock Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .89
Microprocessor Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
S/G Bit and BAC bit Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
Power Controller Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Power Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Undervoltage Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Power On Reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Reset Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Test Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95
Operational Description
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Microprocessor Access to IOM
®
-2 Channels . . . . . . . . . . . . . . . . . . . . . . .97
B-Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
D-Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
C/I Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Monitor Channel Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Monitor Channel Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .103
Access to U-Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106
Access to Data Channels of U-Interface . . . . . . . . . . . . . . . . . . . . . . . .108
Access to EOC of U-Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Access to the Single Bits of U-Interface . . . . . . . . . . . . . . . . . . . . . . . .115
Single Bits Transmission on U . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
Single Bits Reception from U . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120
Setting Superframe Marker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
Layer 1 Activation and Deactivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Complete Activation Initiated by LT . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
Activation with ACT-Bit Status Ignored by the Exchange Side . . . . . . .127
Complete Activation Initiated by TE . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Complete Deactivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129
Partial Activation (U Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .130
Activation Initiated by LT with U Active . . . . . . . . . . . . . . . . . . . . . . . . .131
Activation Initiated by TE with U Active . . . . . . . . . . . . . . . . . . . . . . . . .132
Deactivating S/T-Interface Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
Activation Initiated by LT with Repeater . . . . . . . . . . . . . . . . . . . . . . . .135
Activation Initiated by TE with Repeater . . . . . . . . . . . . . . . . . . . . . . . .136
Loss of Synchronization / Signal at Repeater . . . . . . . . . . . . . . . . . . . .137
Deactivation with Repeater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Activation Attempt Initiated by NT in NT-Auto Activation Mode . . . . . . .142
Activation in the µP-NT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142
Upstream Wake-Up Indication in the LT Repeater Mode . . . . . . . . . . .143
State Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145
State Machine Notation Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145
5
Data Sheet 01.99
Semiconductor Group
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参数对比
与PEF2091NV5.3相近的元器件有:PEF2091H、PEF2091FV5.3、PEF2091HV5.3、PEB2091NV5.3。描述及对比如下:
型号 PEF2091NV5.3 PEF2091H PEF2091FV5.3 PEF2091HV5.3 PEB2091NV5.3
描述 ISDN Echo Canceller, 1-Func, CMOS, PQCC44, PLASTIC, LCC-44 Digital Transmission Interface, Basic, CMOS, PQFP64, ISDN Echo Canceller, 1-Func, CMOS, PQFP64, PLASTIC, TQFP-64 ISDN Echo Canceller, 1-Func, CMOS, PQFP64, METRIC, PLASTIC, QFP-64 ISDN Echo Canceller, 1-Func, CMOS, PQCC44, PLASTIC, LCC-44
Reach Compliance Code compliant compli compliant unknown unknown
JESD-30 代码 S-PQCC-J44 S-PQFP-G64 S-PQFP-G64 S-PQFP-G64 S-PQCC-J44
端子数量 44 64 64 64 44
最高工作温度 85 °C 85 °C 85 °C 85 °C 70 °C
最低工作温度 -40 °C -40 °C -40 °C -40 °C -
封装主体材料 PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 QCCJ QFP LFQFP QFP QCCJ
封装形状 SQUARE SQUARE SQUARE SQUARE SQUARE
封装形式 CHIP CARRIER FLATPACK FLATPACK, LOW PROFILE, FINE PITCH FLATPACK CHIP CARRIER
认证状态 Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
标称供电电压 5 V 5 V 5 V 5 V 5 V
表面贴装 YES YES YES YES YES
技术 CMOS CMOS CMOS CMOS CMOS
温度等级 INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL COMMERCIAL
端子形式 J BEND GULL WING GULL WING GULL WING J BEND
端子节距 1.27 mm 0.8 mm 0.5 mm 0.8 mm 1.27 mm
端子位置 QUAD QUAD QUAD QUAD QUAD
是否Rohs认证 符合 - 符合 - 不符合
厂商名称 Infineon(英飞凌) - Infineon(英飞凌) Infineon(英飞凌) Infineon(英飞凌)
零件包装代码 LCC - QFP QFP LCC
包装说明 PLASTIC, LCC-44 - PLASTIC, TQFP-64 QFP, PLASTIC, LCC-44
针数 44 - 64 64 44
长度 16.6 mm - 10 mm 14 mm 16.6 mm
湿度敏感等级 1 - 3 - 1
功能数量 1 - 1 1 1
座面最大高度 4.57 mm - 1.6 mm 2.45 mm 4.57 mm
电信集成电路类型 ISDN ECHO CANCELLER - ISDN ECHO CANCELLER ISDN ECHO CANCELLER ISDN ECHO CANCELLER
宽度 16.6 mm - 10 mm 14 mm 16.6 mm
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器件捷径:
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF AG AH AI AJ AK AL AM AN AO AP AQ AR AS AT AU AV AW AX AY AZ B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF BG BH BI BJ BK BL BM BN BO BP BQ BR BS BT BU BV BW BX BY BZ C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF CG CH CI CJ CK CL CM CN CO CP CQ CR CS CT CU CV CW CX CY CZ D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF DG DH DI DJ DK DL DM DN DO DP DQ DR DS DT DU DV DW DX DZ
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