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DSTEMP-IP

Description
16-Bit I2C I/O Expander
File Size346KB,38 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Compare View All

DSTEMP-IP Overview

16-Bit I2C I/O Expander

MCP23016
16-Bit I
2
C
I/O Expander
Features
• 16-bit remote bidirectional I/O port
- 16 I/O pins default to 16 inputs
• Fast I
2
C™ bus clock frequency (0 - 400 kbits/s)
• Three hardware address pins allow use of up to
eight devices
• High-current drive capability per I/O: ±25 mA
• Open-drain interrupt output on input change
• Interrupt port capture register
• Internal Power-On Reset (POR)
• Polarity inversion register to configure the polarity
of the input port data
• Compatible with most microcontrollers
• Available temperature range:
- Industrial (I): -40°C to +85°C
Package Types
PDIP, SOIC, SSOP
Vss
GP1.0
GP1.1
GP1.2
GP1.3
INT
GP1.4
V
SS
CLK
TP
GP1.5
GP1.6
GP1.7
SCL
•1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GP0.7
GP0.6
GP0.5
GP0.4
GP0.3
GP0.2
GP0.1
GP0.0
V
DD
V
SS
A2
A1
A0
SDA
QFN
CMOS Technology
• Operating Supply Voltage: 2.0V to 5.5V
• Low standby current
GP1.2
GP1.3
INT
GP1.4
V
SS
CLK
TP
1
2
3
4
5
6
7
Packages
• 28-pin PDIP, 300 mil; 28-pin SOIC, 300 mil
• 28-pin SSOP, 209 mil; 28-pin QFN, 6x6 mm
28 27 26 2524 23 22
21
20
19
MCP23016
18
17
16
15
8 9 10 11 121314
GP1.5
GP1.6
GP1.7
SCL
SDA
A0
A1
GP1.1
GP1.0
Vss
GP0.7
GP0.6
GP0.5
GP0.4
MCP23016
GP0.3
GP0.2
GP0.1
GP0.0
V
DD
V
SS
A2
Block Diagram
INT
A0
A1
A2
SCL
SDA
I
2
C™ Bus
Interface/
Protocol
Handler
Address
Decoder
I
2
C™ Bus
Control
Serializer/
Deserializer
Interrupt
Logic
Low Pass
Filter
IARES
16 Bits
I/O
Port
GP1.0 to GP1.7
GP0.0 to GP0.7
CLKIN
TP
V
DD
V
SS
Clock
Gen
Power-on
Reset
8-Bit
Control
Write pulse
Read pulse
Configuration
Registers
Control
©
2007 Microchip Technology Inc.
DS20090C-page 1

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