
W83601R/602R
Preliminary
Publication Release Date: Aug. 1999
- 4 - Revision 0.32
6. PIN DESCRIPTION
Note: Please refer to Section 13.2 DC CHARACTERISTICS for details.
I/OD24t
I/O24t
INt
INtd
INts
- TTL level bi-directional pin open drain output with 12 mA sink capability
- TTL level bi-directional pin with 24 mA source-sink capability
- TTL level input pin
- TTL level input pin with internal pull down resistor
- TTL level Schmitt-trigger input pin
W83601R UNIVERSAL GENERAL PURPOSE I/O PORT FOR I2C BUS
PIN
SYMBOL
I/O
FUNCTION
1
SCL
IN
ts
I/OD
12
I/O
24
IN
td
I/O
24
IN
td
I/O
24
IN
td
I/OD
24
I/OD
24
I/OD
24
I/OD
24
PWR
SMBus Clock. (I
2
C clock)
2
SDA
SMBus bi-directional Data.(I2C data)
General Purpose I/O .
This pin is a setting pin for SMBus(I
2
C)
address bit 0 during power-on reset or RST# pin reset.
3
GP20
A0
4
GP21
A1
General Purpose I/O .
This pin is a setting pin for SMBus(I
2
C)
address bit 1 during power-on reset or RST# pin reset.
5
GP22
A2
General Purpose I/O .
This pin is a setting pin for SMBus(I
2
C)
address bit 2 during power-on reset or RST# pin reset.
6
GP10
General Purpose I/O default input.
7
GP11
General Purpose I/O default input.
8
GP23
General Purpose I/O default input.
9
GP24
General Purpose I/O default input.
10
VSS
Ground Pin.
11
GP25
I/OD
24
I/OD
24
OD
24
General Purpose I/O default input.
12
GP26
INT
General Purpose I/O default input.
Auto-generate Interrupt signal when detetecting a transition on
GPI inputs. This interrupt is either on pin12 or pin18.
13
GP12
I/OD
24
I/OD
24
I/OD
24
I/OD
24
I/OD
24
I/OD
24
OD
24
General Purpose I/O default input.
14
GP13
General Purpose I/O default input.
15
GP14
General Purpose I/O default input.
16
GP15
General Purpose I/O default input.
17
GP16
General Purpose I/O default input.
18
GP17
INT
General Purpose I/O default input.
Auto-generate Interrupt signal when detetecting a transition on
GPI inputs. This interrupt is either on pin12 or pin18
19
RST#
IN
ts
Reset signal input.