pca9535d NXP Semiconductors, pca9535d Datasheet - Page 6

• Manufacturer Part Number: pca9535d
• Description: 16-bit I2c And Smbus, Low Power I/o Port With Interrupt
• Manufacturer: NXP Semiconductors

NXP Semiconductors
6. Functional description
PCA9535_PCA9535C_3
Product data sheet
6.2.1 Command byte
6.1 Device address
6.2 Registers
Refer to
The command byte is the first byte to follow the address byte during a write transmission.
It is used as a pointer to determine which of the following registers will be written or read.
Table 4.
Command
0
1
2
3
4
5
6
7
Fig 6. PCA9535; PCA9535C device address
Figure 1 “Block diagram of PCA9535;
Command byte
Register
Input port 0
Input port 1
Output port 0
Output port 1
Polarity Inversion port 0
Polarity Inversion port 1
Configuration port 0
Configuration port 1
Rev. 03 — 4 October 2007
16-bit I
0
2
C-bus and SMBus, low power I/O port with interrupt
1
fixed
slave address
0
0
PCA9535; PCA9535C
programmable
A2
PCA9535C”.
A1
002aac219
A0
R/W
© NXP B.V. 2007. All rights reserved.
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