Microchip MCP23S08 Manual de Usario

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2004-2022 Microchip Technology Inc. and its subsidiaries DS20001919G-page 1
MCP23008/MCP23S08
Features
AEC-Q100 Qualified
8-Bit Remote Bidirectional I/O Port (Pin GP7 is
output only for MCP23008)
- I/O pins default to input
High-Speed I2C Interface (MCP23008)
- 100 kHz
- 400 kHz
- 1.7 MHz
High-Speed SPI Interface (MCP23S08)
- 10 MHz
Hardware Address Pins
- Three for the MCP23008 to allow up to eight
devices on the bus
- Two for the MCP23S08 to allow up to four
devices using the same Chip Select
Configurable Interrupt Output Pin
- Configurable as active-high, active-low or
open-drain
Configurable Interrupt Source
- Interrupt-on-change from configured defaults
or pin change
Polarity Inversion Register to Configure the
Polarity of the Input Port Data
External Reset Input
Low Standby Current: 1 µA (max.)
Operating Voltage:
- 1.8V to 5.5V at -40°C to +85°C
I2C at 100 kHz
SPI at 5 MHz
- 2.7V to 5.5V at -40°C to +85°C
I2C at 400 kHz
SPI at 10 MHz
- 4.5V to 5.5V at -40°C to +125°C
I2C at 1.7 kHz
SPI at 10 MHz
Packages
18-pin PDIP (300 mil)
18-pin SOIC (300 mil)
20-pin SSOP
20-pin QFN
Block Diagram
GP0
GP1
GP2
GP3
GP4
GP5
GP6
GP7
Serial
Control
GPIO
SCL
SDA
RESET
INT
8
Configuration/
8
A2:A0 3
Control
Registers
Serializer/
Deserializer
Interrupt
Logic
VDD
VSS
POR
Decode
Interface
SCK
SI
SO
MCP23S08
MCP23008
A1:A0
MCP23S08
8-Bit I/O Expander with Serial Interface
MCP23008/MCP23S08
DS20001919G-page 2
2004-2022 Microchip Technology Inc. and its subsidiaries
Package Types
SDA
SCL
NC
INT
RESET
A1
GP4
VDD
GP7
GP6
GP5
GP3
GP2
1
2
3
4
5
6
7
18
17
16
15
14
13
12
PDIP/SOIC
8
9
11
10
GP1
GP0
A0
A2
VSS
MCP23008
MCP23008
MCP23008
13
12
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
11
10
GP3
VDD
GP7
GP6
GP5
GP2
GP1
GP0
N/C
GP4
SDA
SCL
VSS
A0
N/C
A1
RESET
A2
NC
INT
SSOP
MCP23008
20
19
18
17
16
6
7
8
9
10
15
14
13
12
11
1
2
3
4
5
QFN
SCL
SDA
VSS
A0
N/C
A1
RESET
A2
NC
INT
GP3
VDD
GP7
GP6
GP5
GP2
GP1
GP0
N/C
GP4
2004-2022 Microchip Technology Inc. and its subsidiaries DS20001919G-page 3
MCP23008/MCP23S08
Package Types: (Continued)
SI
SCK
CS
INT
RESET
A1
GP4
VDD
GP7
GP6
GP5
GP3
GP2
1
2
3
4
5
6
7
18
17
16
15
14
13
12
PDIP/SOIC
8
9
11
10
GP1
GP0
A0
SO
VSS
MCP23S08
MCP23S08
MCP23S08
13
12
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
1110
GP3
VDD
GP7
GP6
GP5
GP2
GP1
GP0
N/C
GP4
SI
SCK
VSS
A0
N/C
A1
RESET
SO
CS
INT
SSOP
QFN
MCP23S08
20
19
18
17
16
6
7
8
9
10
15
14
13
12
11
1
2
3
4
5
SCK
SI
VSS
A0
N/C
A1
RESET
SO
CS
INT
GP3
VDD
GP7
GP6
GP5
GP2
GP1
GP0
N/C
GP4

Especificaciones del producto

Marca: Microchip
Categoría: No categorizado
Modelo: MCP23S08

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