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O
CHCl
CHC2
CHC4
CHC8
j—M—^
r
CLC2_|
t_J
L_l
l_J
L_J
L I
I—T"
CLC4
I
I
I
1
I
I
I
CLCB
CLC16
CLC32
cLci_n_in
CLC2
CLC4
CLC8
CLC16
CLC32
I
LJl
n_rLJ"iTTJ~m
1
r
FIGURE 4-7 TIMING DIAGRAM
CHARACTER HEIGHT
COUNTER
FREQ. = 1.800 KHz
CHARACTER LINE
COUNTER
(50 Hz OPERATION)
FREQ = 60 Hz
CHARACTER LINE
COUNTER
(60 Hz OPERATION)
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