參數(shù)資料
型號: MCP23016T-I/ML
廠商: Microchip Technology
文件頁數(shù): 37/38頁
文件大?。?/td> 0K
描述: IC I/O EXPANDER I2C 16B 28QFN
標(biāo)準(zhǔn)包裝: 1,600
接口: I²C
輸入/輸出數(shù): 16
中斷輸出:
頻率 - 時鐘: 400kHz
電源電壓: 2 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-VQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 28-QFN(6x6)
包裝: 帶卷 (TR)
包括: POR
MCP23016
DS20090C-page 8
2007 Microchip Technology Inc.
1.7.3
INPUT POLARITY REGISTERS
These registers allow the user to configure the polarity
of the input port data (GP0 and GP1). If a bit in this reg-
ister is set, the corresponding input port (GPn) data bit
polarity will be inverted.
IPOL0 (controls the polarity of GP0)
IPOL1 (controls the polarity of GP1)
REGISTER 1-5:
IPOL0 - INPUT POLARITY PORT REGISTER 0
REGISTER 1-6:
IPOL1 - INPUT POLARITY PORT REGISTER 1
R/W-0
IGP0.7
IGP0.6
IGP0.5
IGP0.4
IGP0.3
IGP0.2
IGP0.1
IGP0.0
bit 7
bit 0
bit 7-0
IGP0.0:IGP0.7: Controls the polarity inversion for the input pins
1
= Corresponding GP0 bit is inverted
0
= Corresponding GP0 bit is not inverted
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
R/W-0
IGP1.7
IGP1.6
IGP1.4
IGP1.3
IGP1.2
IGP1.1
IGP1.0
bit 7
bit 0
bit 7-0
IGP1.0:IGP1.7: Controls the polarity inversion for the input pins
1
= Corresponding GP1 bit is inverted
0
= Corresponding GP1 bit is not inverted
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
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