PCAL9555APW,118 NXP Semiconductors, PCAL9555APW,118 Datasheet - Page 6

• Manufacturer Part Number: PCAL9555APW,118
• Description: Interface - I/O Expanders 16b I2C BUS INTERUPT
• Manufacturer: NXP Semiconductors

Specifications of PCAL9555APW,118

• Rohs: yes
• Maximum Operating Frequency: 100 kHz
• Operating Supply Voltage: 1.65 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-24
• Operating Current: 160 mA
• Output Current: 25 mA
• Power Dissipation: 200 mW
• Product Type: I/O Expanders
• Factory Pack Quantity: 2500

NXP Semiconductors
Table 4.
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PCAL9555A
Product data sheet
B7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Undefined.
B6
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Command byte
Pointer register bits
B5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
B4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
B3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
Fig 5.
B2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
Pointer register bits
B1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
B0
All information provided in this document is subject to legal disclaimers.
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
Low-voltage 16-bit GPIO with Agile I/O, interrupt and weak pull-up
Command byte
(hexadecimal)
Rev. 1 — 3 October 2012
4Ah
4Bh
4Ch
4Dh
00h
01h
02h
03h
04h
05h
06h
07h
40h
41h
42h
43h
44h
45h
46h
47h
48h
49h
4Fh
B7
B6
Configuration port 0
Configuration port 1
Pull-up/pull-down enable
Pull-up/pull-down enable
Interrupt mask register 0
Interrupt mask register 1
Register
Input port 0
Input port 1
Output port 0
Output port 1
Polarity Inversion port 0
Polarity Inversion port 1
Output drive strength
register 0
Output drive strength
register 0
Output drive strength
register 1
Output drive strength
register 1
Input latch register 0
Input latch register 1
register 0
register 1
Pull-up/pull-down
selection register 0
Pull-up/pull-down
selection register 1
Interrupt status register 0
Interrupt status register 1
Output port configuration
register
B5
B4
B3
B2
B1
002aaf540
B0
read/write byte
read/write byte
read/write byte
read/write byte
read/write byte
read/write byte
read/write byte
read/write byte
read/write byte
read/write byte
read/write byte
read/write byte
read/write byte
read/write byte
read byte
read byte
read/write byte
Protocol
read byte
read byte
read/write byte
read/write byte
read/write byte
read/write byte
PCAL9555A
© NXP B.V. 2012. All rights reserved.
0000 0000
0000 0000
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
1111 1111
0000 0000
0000 0000
0000 0000
0000 0000
1111 1111
1111 1111
1111 1111
1111 1111
0000 0000
0000 0000
0000 0000
Power-up
default
xxxx xxxx
xxxx xxxx
1111 1111
1111 1111
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