参数资料
型号: MCP23S18-E/SO
元件分类: 微控制器/微处理器
英文描述: PIA-GENERAL PURPOSE, PDSO28
封装: 0.300 INCH, PLASTIC, SOIC-28
文件页数: 1/56页
文件大小: 738K
代理商: MCP23S18-E/SO
2008 Microchip Technology Inc.
DS22103A-page 1
MCP23018/MCP23S18
Features
16-bit remote bidirectional I/O port:
- I/O pins default to input
Open-drain outputs:
-5.5V tolerant
- 25 mA sink capable (per pin)
- 400 mA total
High-speed I2C interface: (MCP23018)
- 100 kHz
- 400 kHz
-3.4 MHz
High-speed SPI interface: (MCP23S18)
- 10 MHz: 2.7V
≤ VDD ≤ 5.5V
Single hardware address pin: (MCP23018)
- Voltage input to allow up to eight devices on
the bus
Configurable interrupt output pins:
- 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 A (-40°C
≤ TA ≤ +85°C)
- 6 A (+85°C
≤ TA ≤ +125°C)
Operating voltage:
- 1.8V to 5.5V
Packages
28-pin PDIP (300 mil)
28-pin SOIC (300 mil)
24-pin SSOP (MCP23018 only)
24-pin QFN (4x4 [mm])
Block Diagram
GPB7
GPB6
GPB5
GPB4
GPB3
GPB2
GPB1
GPB0
I2C
Control
GPIO
SCL
SDA
RESET
INTA
16
Configuration/
8
ADDR
Control
Registers
SPI
SI
SO
SCK
CS
MCP23S18
MCP23018
GPA7
GPA6
GPA5
GPA4
GPA3
GPA2
GPA1
GPA0
INTB
Interrupt
GPIO
Serializer/
Deserializer
Logic
Multi-bit
Decode
Open-drain
16-Bit I/O Expander with Open-Drain Outputs
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