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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 155K |
| 代理商： | BU9929FV |
BU9929FV
Multimedia ICs
3.Condition change detection result output mode
1) This IC becomes I
2
C master device, and the detection result is sent according to the following format;
2Byte Watching
9/11
St
0 0 0 1 0 0 0
W
A
SLAVE ADDRESS
+
0
A
WRITE DATA 1
A
A
Sp
WRITE DATA 2
PION7
PION0
PIO15
PIO8
1Byte Watching
St
0 0 0 1 0 0 0
W
A
SLAVE ADDRESS
+
0
A
WRITE DATA 1
A
Sp
PION7
PION0
<DATA Keeping Operation>
In a case that there is a change in detection port during detection result transmission, then watching data is saved by the
end of detection output, and it will be proceeded further after the detection output is finished.
However, the output data in this case will be “AND” output of every bits of the watching data.
Watching Ports
Output for I
2
C BUS
FE
FC
F0
F8
FE
FC
F0
AND Output of every bits of
the watching data
In the case of Arbitration;
Output is delayed
2) DS pin Description
By DS pin, valid/invalid of condition detection of the default condition (from RESET release to reception of the first I
2
C
command) can be set.
<
DS pic valid range
>
In the range from RESET release to the first set of condition detection mode by I
2
C command, the set of this pin will be
valid. After the set of condition detection mode by I
2
C command, this pin will be invalid, and the set by I
2
C commanded
will be reflected.
<
Pin setting
>
DS pin= “H” : Input bit condition detection mode is valid.
But, 1 byte detection mode (only PION7-PION0 will be in condition detection)
DS pin=“L” : Input bit condition detection mode is invalid.
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| BU9929FV-E2 | 功能描述:IC I/O EXPANDER I2C 16B 28SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - I/O 擴展器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 接口:I²C，JTAG 輸入/輸出數(shù):9 中斷輸出:無 頻率 - 時鐘:400kHz 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 包括:EEPROM |
| BU9967KN-E2 | 制造商:ROHM Semiconductor 功能描述:NTSC/PAL COMPLIANT DIGI VIDEO - Tape and Reel |
| BU9969KN | 制造商:ROHM 制造商全稱:Rohm 功能描述:Digital video encoder |
| BU9969KN_09 | 制造商:ROHM 制造商全稱:Rohm 功能描述:Video bus interface |
| BU9969KN-E2 | 功能描述:視頻 IC DIGITAL VIDEO ENCODER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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