ST7628
11.2Parallel Interface Characteristics bus (6800-series MCU)
Figure 11.5 Parallel Interface characteristics (6800-Series MCU)
(VSS=0V, VDDI=1.65V to 3.0V, VDDA=2.4V to 3.3V,Ta =25°C)
MIN MAX Unit Description
Signal
Symbol
TAST
TAHT
TCHW
TCS
TRCS
TRCSFM
TCSF
TCSH
TWC
TWRH
TWRL
TRC
TRDH
TRDL
TRCFM
Parameter
Address setup time
15
15
0
40
70
355
10
10
350
100
200
350
100
200
550
90
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
A0
-
Address hold time (Write/Read)
Chip select “H” pulse width
Chip select setup time (Write)
Chip select setup time (Read ID)
Chip select setup time (Read FM)
Chip select wait time (Write/Read)
Chip select hold time
/CS
Write cycle
R/W
Control pulse “H” duration
Control pulse “L” duration
Read cycle (ID)
Control pulse “H” duration (ID)
Control pulse “L” duration (ID)
Read cycle (FM)
E (ID)
When read ID data
When read from frame
memory
E (FM)
D[15:0]
TRDHFM Control pulse “H” duration (FM)
TRDLFM Control pulse “L” duration (FM)
TDST
TDHT
355
50
15
Data setup time
Data hold time
Ver 1.4
194/213
2008/08
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