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Epson Research and Development
Vancouver Design Center
S1D13505 Hardware Functional Specification
X23A-A-001-14 Issue Date: 01/02/02
7 A.C. Characteristics
Conditions: V
DD
= 3.0V ± 10% and V
DD
= 5.0V ± 10%
T
A
= -40
°
C to 85
°
C
T
rise
and
T
fall
for all inputs must be
≤
5 nsec (10% ~ 90%)
C
L
= 50pF (CPU Interface), unless noted
C
L
= 100pF (LCD Panel Interface)
C
L
= 10pF (Display Buffer Interface)
C
L
= 10pF (CRT Interface)
7.1 CPU Interface Timing
7.1.1 SH-4 Interface Timing
Figure 7-1: SH-4 Timing
Note
The above timing diagram is not applicable if the BUSCLK divided by 2 configuration option is
selected.
t1 t2 t3
t4
t10
t11
t15
t5
t6 t7
t8
t9
t12
t16
t13
t14
CKIO
A[20:0], M/R#
CSn#
RD/WR#
RD#
D[15:0](read)
BS#
RDY#
WEn#
D[15:0](write)
t12