參數(shù)資料
型號(hào): S1D13700F02A100
元件分類: 顯示控制器
英文描述: 320 X 240 PIXELS CRT OR FLAT PNL GRPH DSPL CTLR, PQFP64
封裝: LEAD FREE, TQFP-64
文件頁(yè)數(shù): 53/108頁(yè)
文件大?。?/td> 1373K
代理商: S1D13700F02A100
3: COMMANDS AND COMMAND REGISTERS
44
EPSON
S1D13700 Technical Manual
3.3.4
Memory Control Commands
This command is used by the MPU to place the S1D13700 in the data input state before writing data to
display memory. Each time the WR# signal is input following this command, the S1D13700 automatically
modies the cursor address at which to write display memory according to the CSRDIR value. This allows the
MPU to write two or more consecutive items of data to display memory.
This command is used to place the S1D13700 in the data output state and store the contents of display
memory (specied by the cursor address) in the data bus buffer before reading data from display memory.
Each time the RD# signal is input following this command, the read cursor address of display memory is
automatically modied according to the CSRDIR value, and read data is stored in the data bus buffer. Because
the command is executed in a manner similar to pipelined processing, high-speed readout limited only by the
MPU cycle time is possible.
When the cursor is displayed, the read data and cursor positions do not match (with the cursor two positions
ahead).
MWRITE
MREAD
MSB
LSB
C
P1
P2
Pn
n
≥ 1
01000010
P1, P2, ..., Pn: Display data
MSB
LSB
C
P1
P2
Pn
n
≥ 1
01000011
Read
data
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