參數(shù)資料
型號(hào): MCP23009-E/SO
廠(chǎng)商: Microchip Technology
文件頁(yè)數(shù): 21/50頁(yè)
文件大小: 0K
描述: IC I/O EXPANDER I2C 8B 18SOIC
標(biāo)準(zhǔn)包裝: 42
接口: I²C
輸入/輸出數(shù): 8
中斷輸出:
頻率 - 時(shí)鐘: 3.4MHz
電源電壓: 1.8 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 18-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 18-SOIC
包裝: 管件
產(chǎn)品目錄頁(yè)面: 684 (CN2011-ZH PDF)
MCP23009/MCP23S09
DS22121B-page 28
2009 Microchip Technology Inc.
1.7.5
INTERRUPT CONDITIONS
There are two possible configurations to cause
interrupts (configured via INTCON):
1.
Pins configured for interrupt-on-pin-change
will cause an interrupt to occur if a pin changes
to the opposite state. The default state is reset
after an interrupt occurs. For example, an
interrupt occurs by an input changing from 1 to
0
. The new initial state for the pin is a logic 0.
2.
Pins configured for interrupt-on-change from
register value will cause an interrupt to occur if
the corresponding input pin differs from the
register bit. The interrupt condition will remain as
long as the condition exists, regardless if the
INTAP or GPIO is read.
See Figure 1-11 and Figure 1-12 for more information
on interrupt operations.
FIGURE 1-11:
INTERRUPT-ON-PIN-
CHANGE
FIGURE 1-12:
INTERRUPT-ON-CHANGE
FROM REGISTER
DEFAULT
GPx
INT
ACTIVE
Port value
is captured
into INTCAP
Read GPIO
or INTCAP
Port value
is captured
into INTCAP
INT
Port value
is captured
into INTCAP
Read GPIO
or INTCAP
DEFVAL
X
1
X
GP2
7
6
5
4
3
210
GP:
ACTIVE
(INT clears only if interrupt
condition does not exist.)
相關(guān)PDF資料
PDF描述
MCP23008-E/P IC I/O EXPANDER I2C 8B 18DIP
ATMEGA48PA-ANR MCU AVR 4KB FLASH 20MHZ 32TQFP
MAX7301ATL+ IC I/O EXPANDER SPI 28B 40TQFN
MAX7301AAX+ IC I/O EXPANDER SPI 28B 36SSOP
ATMEGA48PA-MNR MCU AVR 4KB FLASH 20MHZ 28QFN
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCP23009ESS 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:8-Bit I/O Expander with Open-Drain Outputs
MCP23009T 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:8-Bit I/O Expander with Open-Drain Outputs
MCP23009T-E/MG 功能描述:接口 - 專(zhuān)用 8B I/O Expander SPI interface RoHS:否 制造商:Texas Instruments 產(chǎn)品類(lèi)型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59
MCP23009T-E/P 制造商:MICROCHIP 制造商全稱(chēng):Microchip Technology 功能描述:8-Bit I/O Expander with Open-Drain Outputs
MCP23009T-E/SO 制造商:Microchip Technology Inc 功能描述: