參數(shù)資料
型號: MCP23S17-E/SP
廠商: Microchip Technology
文件頁數(shù): 15/48頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER SPI 16B 28SDIP
產(chǎn)品培訓模塊: GPIO Expanders
標準包裝: 15
接口: SPI
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時鐘: 10MHz
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 通孔
封裝/外殼: 28-DIP(0.300",7.62mm)
供應商設備封裝: 28-DIP
包裝: 管件
產(chǎn)品目錄頁面: 684 (CN2011-ZH PDF)
配用: MCP23X17EV-ND - BOARD EVAL FOR MCP23X17
GPIODM-KPLCD-ND - BOARD DEMO LCD GPIO EXP KEYPAD
MCP23017/MCP23S17
DS21952B-page 22
2007 Microchip Technology Inc.
1.6.10
PORT REGISTER
The GPIO register reflects the value on the port.
Reading from this register reads the port. Writing to this
register modifies the Output Latch (OLAT) register.
REGISTER 1-10:
GPIO – GENERAL PURPOSE I/O PORT REGISTER (ADDR 0x09)
R/W-0
GP7
GP6
GP5
GP4
GP3
GP2
GP1
GP0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-0
GP7:GP0: These bits reflect the logic level on the pins <7:0>
1 = Logic-high.
0 = Logic-low.
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