參數(shù)資料
型號: CXD3531R
英文描述: Digital Signal Driver/Timing Generator
中文描述: 數(shù)字信號驅(qū)動器/時序發(fā)生器
文件頁數(shù): 14/30頁
文件大小: 360K
代理商: CXD3531R
– 14 –
CXD3531R
3. Serial Bus
The serial bus of this IC consists of a host I/F, external ROM I/F and register I/F.
3-1. Host I/F
With this IC, each register setting and data set to built-in RAM are performed over a serial bus. Bus protocol
conforms to I
2
C bus specifications. Also, when accessing gamma RAM, always access memory address from
odd addresses in 2-byte units. The following restrictions are placed on the host I/F of this IC.
Only I
2
C bus slave operations are performed.
Standard mode and fast mode are supported. Hs mode is not supported.
The general call address and start byte of the slave address are not acknowledged.
C bus compatibility is not supported.
Acknowledgment is not performed for 10-bit slave addresses.
Low is not asserted for HSCL. (Wait control is not performed.)
(1) "Start" conditions
Read and write operations enter "Start" status by switching HSDA input from high to low level while HSCL input
is high.
(2) "Stop" conditions
"Stop" results by switching HSDA input from low to high while HSCL input is high. Setting "Stop" status causes
read processing to terminate during read operations, and causes the input of write data to terminate during
write operations.
HSDA
HSCL
"Start"
"Stop"
"Start" Conditions and "Stop" Conditions
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