ST7715 View Datasheet(PDF) - Sitronix Technology Co., Ltd.
Part Name
Description
MFG CO.
'ST7715' PDF : 167 Pages View PDF
ST7715
8 Timing chart
8.1 Parallel interface characteristics: 18, 16, 9 or 8-bit bus (8080 series MCU interface)
Fig. 8.1.1 Parallel interface timing characteristics (8080 series MCU interface)
Signal Symbol
Parameter
Min Max Unit
Description
D/CX
TAST
TAHT
Address setup time
10
Address hold time (Write/Read) 10
ns
-
ns
TCHW Chip select “H” pulse width
0
ns
TCS
Chip select setup time (Write)
15
ns
CSX
TRCS
Chip select setup time (Read ID) 45
TRCSFM Chip select setup time (Read FM) 350
ns
-
ns
TCSF
Chip select wait time (Write/Read) 10
ns
TCSH
Chip select hold time
10
ns
TWC
Write cycle
100
ns
WRX
TWRH Control pulse “H” duration
30
ns
TWRL Control pulse “L” duration
30
ns
TRC
Read cycle (ID)
160
ns
RDX (ID) TRDH
Control pulse “H” duration (ID)
90
ns When read ID data
TRDL
Control pulse “L” duration (ID)
45
ns
RDX
(FM)
TRCFM Read cycle (FM)
450
TRDHFM Control pulse “H” duration (FM) 150
TRDLFM Control pulse “L” duration (FM) 150
ns
When read from frame
ns
memory
ns
V1.5
21
2009-12-04
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