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参数资料
| 型号： | BD8105FV-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 6/15页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR SERIAL PAR 20-SSOP |
| 标准包装： | 1 |
| 拓扑： | 开路漏极 |
| 输出数： | 12 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载，通用 |
| 频率： | 1MHz |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.240"，6.10mm 宽） |
| 供应商设备封装： | 20-SSOP-B |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 105°C |
| 其它名称： | BD8105FV-E2DKR |
BD8105FV
Technical Note
● Serial Communication
The serial I/F is composed of a shift register which changes the CLK and SERIN serial signals to parallel signals, and a
register to remember those signals with a LATCH signal.
The registers are reset by applying a voltage under VCC × 0.2 to
the RST_B terminal or opening it, and D11~D0 become open.
under VCC × 0.2 to RST_B or make it open during start-up.
CLK
To prevent erroneous LED lighting, please apply voltage
SERIN
Shift
Register
12bit
12bit
Driver
Register
LATCH
Fig.13
1)Serial Communication Timing
The 12-bit serial data input from SERIN is taken into the shift register by the rise edge of the CLK signal, and is recorded
in the register by the rise edge of the LATCH signal. The recorded data is valid until the next rise edge of the LATCH
signal.
2)Serial Communication Data
The serial data input configuration of SERIN terminal is shown below:
First →
→ Last
d11 d10 d9
d8
d7
d6
d5
d4
d3
d2
d1
d0
Data
Terminal
Output
Data
Name
Status
d11 d10 d9
d8
d7
d6
d5
d4
d3
d2
d1
d0
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
ON 1 * *
OFF 0 * *
ON * 1 *
OFF * 0 *
ON * * 1
OFF * * 0
ON * * *
OFF * * *
ON * * *
OFF * * *
ON * * *
OFF * * *
ON * * *
OFF * * *
ON * * *
OFF * * *
ON * * *
OFF * * *
ON * * *
OFF * * *
ON * * *
OFF * * *
ON * * *
OFF * * *
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* represents “Don’t care”.
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
6/12
2011.05 - Rev.C
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