参数资料
型号: MCP23009T-E/SS
厂商: Microchip Technology
文件页数: 45/50页
文件大小: 0K
描述: IC I/O EXPANDER I2C 8B 20SSOP
标准包装: 1,600
接口: I²C
输入/输出数: 8
中断输出:
频率 - 时钟: 3.4MHz
电源电压: 1.8 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 带卷 (TR)
2009 Microchip Technology Inc.
DS22121B-page 5
MCP23009/MCP23S09
TABLE 1-2:
SPI PINOUT DESCRIPTION (MCP23S09)
Pin
Name
18LD
PDIP/
SOIC
16LD
QFN
Pin
Type
Standard Function
VDD
1
3
P
Power (high current capable)
VSS
18
1
P
Ground (high current capable)
CS
34
I
Chip select
SCK
4
2
I
Serial clock input
SI
5
I
Serial data input
SO
6
O
Serial data out
RESET
7
I
Hardware reset (must be externally biased)
INT
8
O
Interrupt output for port. Can be configured as active high, active low, or open-drain.
GP0
9
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP1
10
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP2
11
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP3
12
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP4
13
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP5
14
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP6
15
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
GP7
16
I/O
Bidirectional I/O Pin (5.5 volt tolerant inputs; open-drain outputs). Can be enabled
for interrupt on change, and/or internal pull-up resistor.
NC
2, 17
Not connected
EP
17
Exposed Thermal Pad (EP). Do not electrically connect, Can connect to VSS.
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