參數(shù)資料
型號(hào): BU9929FV
廠商: Rohm CO.,LTD.
英文描述: I2C BUS interface, general purpose I/O ports with condition watching function
中文描述: I2C總線接口,通用I / O的港口條件看功能
文件頁(yè)數(shù): 7/12頁(yè)
文件大?。?/td> 155K
代理商: BU9929FV
BU9929FV
Multimedia ICs
1. Data write mode
7/11
St
SLAVE ADDRESS
W
A COMMAND BYTE A
WRITE DATA 1
PION7
PION0
PIO15
PIO8
A
A
Sp
WRITE DATA 2
Command register : At reset, D0 to D7 are ”0”.
D7
SHT DWN
D6
INT SEL
D5
DOUT SEL
D4
OUT ON
D3
DIR ON
D2
BYTE SEL
D1
EDGE SEL
D0
DET ON
D7 : Shut Down mode
0 : Shut down mode off (Normal operation mode)
1 : Shut down mode on
D6 : INT output method choice
0 : LOW output
1 : Output of LOW pulse equivalent for one period of CLK
D5 : Detection result output choice
0 : Serial output. INT pin is also valid.
1 : Serial output (I
2
C MASTER function) off. Only INT pin is valid.
D4 : Output port writing set
0 : Writing invalid
1 : Writing valid. But, a port, which is indicated as input, is invalid.
Following Write data 2byte-0 : “L” output, 1 : “H” output
D3 : I / O direction set
0 : Direction set invalid
1 : Direction set valid
Following Write data 2byte-0 : input, 1 : output
D2 : Watching object input choice
0 : PION0 to PION7
1 : PION8 to PIO15
D1 : Change detection mode
0 : Falling edge
1 : Both rising and falling edge
D0 : Input port condition watching mode
0 : Invalid
1 : Valid
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