ST7715 View Datasheet(PDF) - Sitronix Technology Co., Ltd.
Part Name
Description
MFG CO.
'ST7715' PDF : 167 Pages View PDF
ST7715
Fig. 9.2.3 8080-series RDX protocol
Note: RDX is an unsynchronized signal (It can be stopped).
Read parameter
Read display data
D[17:0]
S
RESX “1”
CMD
DM
PA
CMD
CSX
D/CX
RDX
WRX
D[17:0]
S
CMD
DM
PA
CMD
DM & data
DM & data
Data
Data
P
Data
Data
P
Host D[17:0]
Host to LCD
Driver D[17:0]
LCD to Host
Hi-Z
Hi-Z
S
CMD
CMD
P
Hi-Z
S
Hi-Z
DM
PA1
CMD: write command code
PA: parameter or display data
DM & data
PAN-2
PAN-1
P
Signals on D[17:0], D/CX, R/WX, E
pins during CSX=1 are ignored.
Fig. 9.2.4 8080-series parallel bus protocol, read data from register or display RAM
V1.5
28
2009-12-04
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