Datasheet

PCA9537_5 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 05 — 7 May 2009 3 of 24
NXP Semiconductors
PCA9537
4-bit I
2
C-bus and SMBus low power I/O port with interrupt and reset
5. Pinning information
5.1 Pinning
5.2 Pin description
Fig 2. Pin configuration for TSSOP10
PCA9537DP
IO0 V
DD
IO1 SDA
IO2 SCL
IO3 INT
V
SS
RESET
002aae633
1
2
3
4
5
6
8
7
10
9
Table 2. Pin description
Symbol Pin Description
IO0 1 input/output 0
IO1 2 input/output 1
IO2 3 input/output 2
IO3 4 input/output 3
V
SS
5 supply ground
RESET 6 active LOW reset input
INT 7 interrupt output (open-drain)
SCL 8 serial clock line
SDA 9 serial data line
V
DD
10 supply voltage