參數(shù)資料
型號(hào): HCD66712UA03BP
廠商: Hitachi,Ltd.
英文描述: Dot-Matrix Liquid Crystal Display Controller/Driver
中文描述: 點(diǎn)陣液晶顯示控制器/驅(qū)動(dòng)器
文件頁數(shù): 51/88頁
文件大?。?/td> 662K
代理商: HCD66712UA03BP
HD66712U
414
Interfacing the HD66712
Interface with 8-Bit MPUs:
The HD66712 can interface directly with an 8-bit MPU using the E clock,
or with an 8-bit MCU through an I/O port.
When the number of I/O ports in the MCU, or the interfacing bus width, if limited, a 4-bit interface
function is used.
R/W
E
Internal
signal
DB7
Internal operation
Data
Busy
Busy
Not
Busy
Data
Instruction
write
Busy flag check
Busy flag check Busy flag check
Instruction
write
RS
Figure 18 Example of 8-Bit Data Transfer Timing Sequence
C0
C1
C2
A0–A7
E
RS
R/W
DB0–DB7
8
H8/325
I/O port interface
HD66712
Figure 19 8-Bit MPU Interface
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