DOCUMENT NUMBER
9S12DT128BDGV1/D
MC9S12DT128B
Device User Guide
V01.07
Covers also
MC9S12DG128B, MC9S12DJ128B,
MC9S12DB128B
Original Release Date: 18 June 2001
Revised: 16 Aug 2002
Motorola, Inc
Motorola reserves the right to make changes without further notice to any products herein to improve reliability, function or
design. Motorola does not assume any liability arising out of the application or use of any product or circuit described herein;
neither does it convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended,
or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to
support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where
personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized
application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless
against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of
personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was
negligent regarding the design or manufacture of the part.
1
DOCUMENT NUMBER
9S12DT128BDGV1/D
Revision History
Version Revision Effective
Number
Date
Date
V01.00
V01.01
V01.02
V01.03
V01.04
V01.05
18 Jun
2001
23 July
2001
23 Sep
2001
12 Oct
2001
27 Feb
2002
4 Mar
2002
18 June
2001
23 July
2001
23 Sep
2001
12 Oct
2001
27 Feb
2002
4 Mar
2002
Author
Description of Changes
Initial version (parent doc v2.03 dug for dp256).
Updated version after review
Changed Partname, added pierce mode, updated electrical
characteristics
some minor corrections
Replaced Star12 by HCS12
Updated electrical spec after MC-Qualification (IOL/IOH), Data for
Pierce, NVM reliability
New document numbering. Corrected Typos
Increased VDD to 2.35V, removed min. oscillator startup
Removed Document order number except from Cover Sheet
Added:
Pull-up columns to signal table,
example for PLL Filter calculation,
Thermal values for junction to board and package,
BGND pin pull-up
Part Order Information
Global Register Table
Chip Configuration Summary
Modified:
Reduced Wait and Run IDD values
Mode of Operation chapter
changed leakage current for ADC inputs down to +-1uA
Corrected:
Interrupt vector table enable register inconsistencies
PCB layout for 80QFP VREGEN position
Minor corrections in table 1-1 & section 1.5.1
V01.06
8 July
2002
22 July
2002
V01.07
16 Aug
2002
16 Aug
2002
Motorola reserves the right to make changes without further notice to any products herein to improve reliability, function or
design. Motorola does not assume any liability arising out of the application or use of any product or circuit described herein;
neither does it convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended,
or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to
support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where
personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized
application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless
against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of
personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was
negligent regarding the design or manufacture of the part.
2
MC9S12DT128B Device User Guide — V01.07
Table of Contents
Section 1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
1.1
1.2
1.3
1.4
1.5
1.5.1
1.6
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Device Memory Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Detailed Register Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Part ID Assignments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Section 2 Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
2.1
Device Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
2.2
Signal Properties Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
2.3
Detailed Signal Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
2.3.1
EXTAL, XTAL — Oscillator Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
2.3.2
RESET — External Reset Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
2.3.3
TEST — Test Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
2.3.4
XFC — PLL Loop Filter Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
2.3.5
BKGD / TAGHI / MODC — Background Debug, Tag High, and Mode Pin . . . . . . . .53
2.3.6
PAD[15] / AN1[7] / ETRIG1 — Port AD Input Pin [15] . . . . . . . . . . . . . . . . . . . . . . . .54
2.3.7
PAD[14:8] / AN1[6:0] — Port AD Input Pins [14:8]. . . . . . . . . . . . . . . . . . . . . . . . . . .54
2.3.8
PAD[7] / AN0[7] / ETRIG0 — Port AD Input Pin [7] . . . . . . . . . . . . . . . . . . . . . . . . . .54
2.3.9
PAD[6:0] / AN0[6:0] — Port AD Input Pins [6:0]. . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
2.3.10 PA[7:0] / ADDR[15:8] / DATA[15:8] — Port A I/O Pins . . . . . . . . . . . . . . . . . . . . . . .54
2.3.11 PB[7:0] / ADDR[7:0] / DATA[7:0] — Port B I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . .54
2.3.12 PE7 / NOACC / XCLKS — Port E I/O Pin 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
2.3.13 PE6 / MODB / IPIPE1 — Port E I/O Pin 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
2.3.14 PE5 / MODA / IPIPE0 — Port E I/O Pin 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
2.3.15 PE4 / ECLK — Port E I/O Pin 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
2.3.16 PE3 / LSTRB / TAGLO — Port E I/O Pin 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
2.3.17 PE2 / R/W — Port E I/O Pin 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
2.3.18 PE1 / IRQ — Port E Input Pin 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
2.3.19 PE0 / XIRQ — Port E Input Pin 0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
2.3.20 PH7 / KWH7 — Port H I/O Pin 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
3
MC9S12DT128B Device User Guide — V01.07
2.3.21
2.3.22
2.3.23
2.3.24
2.3.25
2.3.26
2.3.27
2.3.28
2.3.29
2.3.30
2.3.31
2.3.32
2.3.33
2.3.34
2.3.35
2.3.36
2.3.37
2.3.38
2.3.39
2.3.40
2.3.41
2.3.42
2.3.43
2.3.44
2.3.45
2.3.46
2.3.47
2.3.48
2.3.49
2.3.50
2.3.51
2.3.52
2.3.53
2.3.54
2.3.55
2.3.56
PH6 / KWH6 — Port H I/O Pin 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
PH5 / KWH5 — Port H I/O Pin 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
PH4 / KWH4 — Port H I/O Pin 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
PH3 / KWH3 / SS1 — Port H I/O Pin 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
PH2 / KWH2 / SCK1 — Port H I/O Pin 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
PH1 / KWH1 / MOSI1 — Port H I/O Pin 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
PH0 / KWH0 / MISO1 — Port H I/O Pin 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
PJ7 / KWJ7 / TXCAN4 / SCL — PORT J I/O Pin 7 . . . . . . . . . . . . . . . . . . . . . . . . . .57
PJ6 / KWJ6 / RXCAN4 / SDA — PORT J I/O Pin 6 . . . . . . . . . . . . . . . . . . . . . . . . . .58
PJ[1:0] / KWJ[1:0] — Port J I/O Pins [1:0] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
PK7 / ECS / ROMCTL — Port K I/O Pin 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
PK[5:0] / XADDR[19:14] — Port K I/O Pins [5:0] . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
PM7 / BF_PSLM / TXCAN4 — Port M I/O Pin 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
PM6 / BF_PERR / RXCAN4 — Port M I/O Pin 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
PM5 / BF_PROK / TXCAN0 / TXCAN4 / SCK0 — Port M I/O Pin 5 . . . . . . . . . . . . .58
PM4 / BF_PSYN / RXCAN0 / RXCAN4/ MOSI0 — Port M I/O Pin 4. . . . . . . . . . . . .59
PM3 / TX_BF / TXCAN1 / TXCAN0 / SS0 — Port M I/O Pin 3 . . . . . . . . . . . . . . . . .59
PM2 / RX_BF / RXCAN1 / RXCAN0 / MISO0 — Port M I/O Pin 2. . . . . . . . . . . . . . .59
PM1 / TXCAN0 / TXB — Port M I/O Pin 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
PM0 / RXCAN0 / RXB — Port M I/O Pin 0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
PP7 / KWP7 / PWM7 — Port P I/O Pin 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
PP6 / KWP6 / PWM6 — Port P I/O Pin 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
PP5 / KWP5 / PWM5 — Port P I/O Pin 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
PP4 / KWP4 / PWM4 — Port P I/O Pin 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
PP3 / KWP3 / PWM3 / SS1 — Port P I/O Pin 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
PP2 / KWP2 / PWM2 / SCK1 — Port P I/O Pin 2 . . . . . . . . . . . . . . . . . . . . . . . . . . .60
PP1 / KWP1 / PWM1 / MOSI1 — Port P I/O Pin 1. . . . . . . . . . . . . . . . . . . . . . . . . . .60
PP0 / KWP0 / PWM0 / MISO1 — Port P I/O Pin 0. . . . . . . . . . . . . . . . . . . . . . . . . . .60
PS7 / SS0 — Port S I/O Pin 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
PS6 / SCK0 — Port S I/O Pin 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
PS5 / MOSI0 — Port S I/O Pin 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
PS4 / MISO0 — Port S I/O Pin 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
PS3 / TXD1 — Port S I/O Pin 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
PS2 / RXD1 — Port S I/O Pin 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
PS1 / TXD0 — Port S I/O Pin 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
PS0 / RXD0 — Port S I/O Pin 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
4
MC9S12DT128B Device User Guide — V01.07
2.3.57 PT[7:0] / IOC[7:0] — Port T I/O Pins [7:0] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
2.4
Power Supply Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
2.4.1
VDDX,VSSX — Power & Ground Pins for I/O Drivers . . . . . . . . . . . . . . . . . . . . . . . .62
2.4.2
VDDR, VSSR — Power & Ground Pins for I/O Drivers & for Internal Voltage Regulator
62
2.4.3
VDD1, VDD2, VSS1, VSS2 — Core Power Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
2.4.4
VDDA, VSSA — Power Supply Pins for ATD and VREG . . . . . . . . . . . . . . . . . . . . .63
2.4.5
VRH, VRL — ATD Reference Voltage Input Pins . . . . . . . . . . . . . . . . . . . . . . . . . . .63
2.4.6
VDDPLL, VSSPLL — Power Supply Pins for PLL . . . . . . . . . . . . . . . . . . . . . . . . . . .63
2.4.7
VREGEN — On Chip Voltage Regulator Enable . . . . . . . . . . . . . . . . . . . . . . . . . . . .63
Section 3 System Clock Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
3.1
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65
Section 4 Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
4.1
4.2
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Chip Configuration Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
4.3
Security. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
4.3.1
Securing the Microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
4.3.2
Operation of the Secured Microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
4.3.3
Unsecuring the Microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
4.4
Low Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
4.4.1
Stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
4.4.2
Pseudo Stop. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
4.4.3
Wait . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
4.4.4
Run. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
Section 5 Resets and Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
5.1
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
5.2
Vectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
5.2.1
Vector Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .71
5.3
Effects of Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
5.3.1
I/O pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
5.3.2
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73
Section 6 HCS12 Core Block Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
5
