F75121
F75121R/RG
Dynamic VID Control + 8 GPIO Datasheet
Release Date: July, 2007
Revision: V0.24P
F75121
V0.24P
July, 2007
F75121
F75121R/RG Datasheet Revision History
Version
0.20P
0.21P
0.22P
0.23P
0.24P
Date
Apr/2003
Oct/2003
Jan/2004
Dec/2005
July/2007
6
5-7
42
-
Page
Revision History
Preliminary Public Version
Update pin11 pin type
Revise pin name and pin description
Update Green Package Ordering Information
Add company address
Please note that all data and specifications are subject to change without notice. All the trade marks of products and companies
mentioned in this data sheet belong to their respective owners.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can
reasonably be expected to result in personal injury. Customers using or selling these products for use in such applications do so
at their own risk and agree to fully indemnify Fintek for any damages resulting from such improper use or sales.
F75121
V0.24P
July, 2007
Table of Contents
1. GENERAL DESCRIPTION ....................................................................................................................................................- 4 -
2. FEATURES ...............................................................................................................................................................................- 4 -
3. KEY SPECIFICATIONS .........................................................................................................................................................- 5 -
4. PIN CONFIGURATION..........................................................................................................................................................- 5 -
5. PIN DESCRIPTION.................................................................................................................................................................- 6 -
5.1 P
OWER
P
IN
......................................................................................................................................................................... - 6 -
5.2 VID C
ONTROL AND
GPIO
PINS
.......................................................................................................................................... - 6 -
6. FUNCTIONAL DESCRIPTION .............................................................................................................................................- 7 -
6.1 G
ENERAL
D
ESCRIPTION
..................................................................................................................................................... - 7 -
6.2 A
CCESS
I
NTERFACE
............................................................................................................................................................ - 8 -
6.3 T
HE
SMB
US ACCESS TIMING ARE SHOWN AS FOLLOW
: ....................................................................................................... - 8 -
6.4 VID F
UNCTION
.................................................................................................................................................................. - 9 -
6.5 GPIO F
UNCTION
................................................................................................................................................................ - 9 -
6.5.1 General GPIO Function..................................................................................................................................................- 9 -
6.5.3 Reset Out (RSTOUT) Function......................................................................................................................................- 10 -
6..4 Watchdog Function..........................................................................................................................................................- 10 -
7. REGISTERS DESCRIPTION............................................................................................................................................... - 10 -
7.1 C
ONFIGURATION AND
C
ONTROL
R
EGISTER
– I
NDEX
01
H
.................................................................................................. - 10 -
7.2 S
TATUS
R
EGISTER
– I
NDEX
02
H
........................................................................................................................................ - 11 -
7.3 C
ONFIGURATION AND FUNCTION SELECT
R
EGISTER
– I
NDEX
03
H
..................................................................................... - 11 -
7.4 P
IN MODE FUNCTION SELECT
R
EGISTER
– I
NDEX
04
H
....................................................................................................... - 12 -
7.5 P
IN MODE FUNCTION SELECT
R
EGISTER
– I
NDEX
05
H
....................................................................................................... - 12 -
7.6 LED F
REQ
C
ONTROL
R
EGISTER
– I
NDEX
06
H
.................................................................................................................. - 13 -
7.7 LED F
REQ
C
ONTROL
R
EGISTER
– I
NDEX
07
H
.................................................................................................................. - 14 -
7.8 LED F
REQ
C
ONTROL
R
EGISTER
– I
NDEX
08
H
.................................................................................................................. - 15 -
7.9 LED F
REQ
C
ONTROL
R
EGISTER
– I
NDEX
09
H
.................................................................................................................. - 15 -
7.10 GPIO1
X
O
UTPUT
C
ONTROL
R
EGISTER
– I
NDEX
10
H
...................................................................................................... - 16 -
7.11 GPIO1
X
O
UTPUT
D
ATA
R
EGISTER
– I
NDEX
11
H
............................................................................................................. - 17 -
7.12 GPIO1
X
I
NPUT
S
TATUS
R
EGISTER
– I
NDEX
12
H
............................................................................................................. - 17 -
7.13 GPIO1
X
L
EVEL
/P
ULSE
C
ONTROL
R
EGISTER
– I
NDEX
13
H
............................................................................................. - 18 -
7.14 GPIO1
X
P
ULSE
W
IDTH
C
ONTROL
R
EGISTER
– I
NDEX
14
H
............................................................................................. - 18 -
7.15 GPIO1
X
P
ULL
-
UP
R
ESISTOR
C
ONTROL
R
EGISTER
– I
NDEX
15
H
..................................................................................... - 18 -
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July
,
2007
V0.24P
7.16 GPIO1
X
I
NPUT
D
E
-
BOUNCE
R
EGISTER
– I
NDEX
16
H
...................................................................................................... - 19 -
7.17 GPIO1
X
P
ULSE
I
NVERSE
R
EGISTER
– I
NDEX
17
H
........................................................................................................... - 19 -
7.18 E
DGE
D
ETECTOR
E
NABLE
R
EGISTER
– I
NDEX
0
X
18....................................................................................................... - 20 -
7.19 E
DGE
D
ETECTOR
S
TATUS
R
EGISTER
– I
NDEX
0
X
19 ........................................................................................................ - 21 -
7.20 IRQ
OR
SMI# E
NABLE
R
EGISTER
– I
NDEX
0
X
1A ........................................................................................................... - 21 -
7.21 O
UTPUT
D
RIVING
E
NABLE
– I
NDEX
0
X
1B...................................................................................................................... - 22 -
7.22 O
UTPUT
D
RIVING
E
NABLE
– I
NDEX
0
X
1C...................................................................................................................... - 22 -
7.23 GPIO2
X
O
UTPUT
C
ONTROL
R
EGISTER
– I
NDEX
20
H
...................................................................................................... - 23 -
7.24 GPIO2
X
O
UTPUT
D
ATA
R
EGISTER
– I
NDEX
21
H
............................................................................................................. - 23 -
7.25 GPIO2
X
I
NPUT
S
TATUS
R
EGISTER
– I
NDEX
22
H
............................................................................................................. - 24 -
7.26 GPIO2
X
L
EVEL
/P
ULSE
C
ONTROL
R
EGISTER
– I
NDEX
23
H
............................................................................................. - 24 -
7.27 GPIO2
X
P
ULSE
W
IDTH
C
ONTROL
R
EGISTER
– I
NDEX
24
H
............................................................................................. - 25 -
7.28 GPIO2
X
P
ULL
-
UP
R
ESISTOR
C
ONTROL
R
EGISTER
– I
NDEX
25
H
..................................................................................... - 25 -
7.29 GPIO2
X
I
NPUT
D
E
-
BOUNCE
R
EGISTER
– I
NDEX
26
H
...................................................................................................... - 25 -
7.30 GPIO2
X
P
ULSE
I
NVERSE
R
EGISTER
– I
NDEX
27
H
........................................................................................................... - 26 -
7.31 GP2
X
E
DGE
D
ETECTOR
E
NABLE
R
EGISTER
– I
NDEX
0
X
28............................................................................................. - 27 -
7.32 E
DGE
D
ETECTOR
S
TATUS
R
EGISTER
– I
NDEX
0
X
29 ........................................................................................................ - 27 -
7.33 IRQ
OR
SMI# E
NABLE
R
EGISTER
– I
NDEX
0
X
2A ........................................................................................................... - 28 -
7.34 O
UTPUT
D
RIVING
E
NABLE
– I
NDEX
0
X
2B...................................................................................................................... - 29 -
7.35 O
UTPUT
D
RIVING
E
NABLE
– I
NDEX
0
X
2C...................................................................................................................... - 29 -
7.36 VID
ON THE FLY OFFSET
R
EGISTER
– I
NDEX
30
H
............................................................................................................ - 30 -
7.37 VID O
UTPUT
D
ATA
R
EGISTER
– I
NDEX
31
H
................................................................................................................... - 30 -
7.38 VIDKEY P
ROTECTION
R
EGISTER
– I
NDEX
32
H
.............................................................................................................. - 31 -
7.39 VID I
NPUT
L
ATCH
R
EGISTER
– I
NDEX
33
H
..................................................................................................................... - 31 -
7.40 RSTOUT C
ONTROL
R
EGISTER
– I
NDEX
34
H
.................................................................................................................. - 31 -
7.41 RSTOUT C
ONTROL
R
EGISTER
– I
NDEX
35
H
.................................................................................................................. - 31 -
7.42 W
ATCHDOG
T
IMER
C
ONTROL
R
EGISTER
– I
NDEX
36
H
.................................................................................................... - 32 -
7.43 W
ATCHDOG
T
IMER
R
ANGE
R
EGISTER
– I
NDEX
37
H
........................................................................................................ - 32 -
7.44 GPIO3
X
O
UTPUT
C
ONTROL
R
EGISTER
– I
NDEX
40
H
...................................................................................................... - 33 -
7.45 GPIO3
X
O
UTPUT
D
ATA
R
EGISTER
– I
NDEX
41
H
............................................................................................................. - 33 -
7.46 GPIO3
X
I
NPUT
S
TATUS
R
EGISTER
– I
NDEX
42
H
............................................................................................................. - 33 -
7.47 GPIO3
X
L
EVEL
/P
ULSE
C
ONTROL
R
EGISTER
– I
NDEX
43
H
............................................................................................. - 34 -
7.48 GPIO3
X
P
ULSE
W
IDTH
C
ONTROL
R
EGISTER
– I
NDEX
44
H
............................................................................................. - 34 -
7.49 GPIO3
X
I
NPUT
D
E
-
BOUNCE
R
EGISTER
– I
NDEX
46
H
...................................................................................................... - 34 -
7.50 GPIO3
X
P
ULSE
I
NVERSE
R
EGISTER
– I
NDEX
47
H
........................................................................................................... - 35 -
7.51 GP3
X
E
DGE
D
ETECTOR
E
NABLE
R
EGISTER
– I
NDEX
0
X
48............................................................................................. - 35 -
7.52 E
DGE
D
ETECTOR
S
TATUS
R
EGISTER
– I
NDEX
0
X
49 ........................................................................................................ - 36 -
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July
,
2007
V0.24P
7.53 IRQ
OR
SMI# E
NABLE
R
EGISTER
– I
NDEX
0
X
4A ........................................................................................................... - 36 -
7.54 O
UTPUT
D
RIVING
E
NABLE
– I
NDEX
0
X
4C...................................................................................................................... - 37 -
7.55 CHIPID(1) R
EGISTER
– I
NDEX
5A
H
............................................................................................................................... - 37 -
7.56 CHIPID(2) R
EGISTER
– I
NDEX
5B
H
............................................................................................................................... - 37 -
7.57 VENDOR ID(1) R
EGISTER
– I
NDEX
5D
H
....................................................................................................................... - 38 -
7.58 VENDOR ID(2) R
EGISTER
– I
NDEX
5E
H
....................................................................................................................... - 38 -
8. ELECTRON CHARACTERISTIC ...................................................................................................................................... - 38 -
8.1 A
BSOLUTE
M
AXIMUM
R
ATINGS
....................................................................................................................................... - 38 -
8.2 DC C
HARACTERISTICS
..................................................................................................................................................... - 38 -
8.3 AC C
HARACTERISTICS
..................................................................................................................................................... - 41 -
9. ORDERING INFORMATION .............................................................................................................................................. - 42 -
10. PACKAGE DIMENSIONS................................................................................................................................................. - 42 -
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,
2007
V0.24P