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参数资料
| 型号： | LC78684E |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封装： | 14 X 14 MM, QFP-80 |
| 文件页数： | 20/21页 |
| 文件大小： | 152K |
| 代理商： | LC78684E |
LC78684E
No.7350-8/21
Command Input/Data Output Interface
Input commands (i.e. write data to the LC78684E) in the order data first and then address. The data and address are LSB first.
Output data is output (i.e. read data from the LC78684E) by first issuing a read mode setup command and then performing read
access operations.
Data write
LSB
MSB
Data
Address
High (Held high with an external pull-up resistor)
LSB
MSB
CE
CL
CMDIN
CMDOUT
Data read
Data is read by first writing the register address to be read to location $61h and then setting up read mode by setting CE low
temporarily. When CE is set high again, and the CL signal is issued, the contents of the specified register are output from
CMDOUT, LSB first.
The microcontroller must perform a read access if it sets up read mode.
Read mode setup command
Register address
Read code (61h)
LSB
MSB LSB
MSB
LSB
MSB
CE
CL
CMDIN
CMDOUT
High (Held high with an external pull-up resistor)
Read access
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