W83601GR_07 Datasheet, PDF (5/19 Pages) Winbond – GPI/O IC

W83601R/G
6. PIN DESCRIPTION
I/OD24t
I/OD12ts
I/O21
INt
INcd
INts
OD24
- TTL level bi-directional pin open drain output with 24 mA sink capability
- TTL level bi-directional pin open drain output with 12 mA sink capability and schmitt-trigger level input
- CMOS level bi-directional pin with 21 mA source-sink capability
- TTL level input pin
- CMOS level input pin with internal pull down resistor
- TTL level Schmitt-trigger input pin
- Open drain output pin with 24 mA sink capability
6.1 W83601R/G Universal General Purpose I/O Port for I²C BUS
PIN SYMBOL
I/O
FUNCTION
1
SCL
IN_ts
SMBus Clock. (I²C clock)
2
SDA
I/OD_12ts SMBus bi-directional Data.(I²C data)
3
GP20
A0
I/O₂₁
IN_cd
General Purpose I/O. This pin is a setting pin for SMBus (I²C)
address bit 0 during power-on reset or RST# pin reset.
4
GP21
A1
I/O₂₁
IN_cd
General Purpose I/O. This pin is a setting pin for SMBus (I²C)
address bit 1 during power-on reset or RST# pin reset.
5
GP22
A2
I/O₂₁
IN_cd
General Purpose I/O. This pin is a setting pin for SMBus (I²C)
address bit 2 during power-on reset or RST# pin reset.
6
GP10
I/OD_24t General Purpose I/O default input.
7
GP11
I/OD_24t General Purpose I/O default input.
8
GP23
I/OD_24t General Purpose I/O default input.
9
GP24
I/OD_24t General Purpose I/O default input.
10
VSS
PWR Ground Pin.
11
GP25
I/OD_24t General Purpose I/O default input.
12
GP26
INT
I/OD_24t
OD₂₄
General Purpose I/O default input.
Auto-generate Interrupt signal when a transition on GPI inputs is
detected. This interrupt is either on pin12 or pin18.
13
GP12
I/OD_24t General Purpose I/O default input.
14
GP13
I/OD_24t General Purpose I/O default input.
15
GP14
I/OD_24t General Purpose I/O default input.
16
GP15
I/OD_24t General Purpose I/O default input.
17
GP16
I/OD_24t General Purpose I/O default input.
18
GP17
INT
I/OD_24t
OD₂₄
General Purpose I/O default input.
Auto-generate Interrupt signal when a transition on GPI inputs is
detected. This interrupt is either on pin12 or pin18
19
RST#
20
VDD
In_ts
PWR
Reset signal input.
Power Pin.
Publication Release Date: December 12, 2007
-5-
Revision 1.2