Hitachi MP-1802 Technical Manual page 51

v c c
l o t o
3 0 t o
6 0 6 0
D O
O t
0 r
O .
O r
O .
uNrr sELEcr$---{E
- J
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noToR Ot{
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s l o E I
F - - ( E - r J
oousLE e6x
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X X I H A S K r c 6 l I
H D 7 4 L S I 4 P
uNtr SELECTAo>-
UNIT S€LECTzIF-
H O T O R O r l
s r o E I
+
I
I
t{ ||l
t c 6 l E o 3 ' ' ( I R O )
F i g . 7 . 2 6
M o d e S e l - e c t o r
7 - 9
I n p u L / 0 u t p u t B u f f e r S e t t l - i n e
T i m e C o n t r o l l e r
( t ' t p - 1 8 0 2 )
A -
tc625
7
l c 6 2 s
H O 7 4 L S 3 0 7 A P
t c 5 t 3 @
A H
rc625
tc6 r 8o-c ( 0R0 )
l c 6t 6
2
R 6 I E
tc 6 t 6
+ 5 v
H D 7 4 o 6 P
tc627
H O 7 4 L S O 2 P
6
F i g . 7 . 2 7 s h o w s
L 6 / + 2 L 6 3 9 a n d
n o i s e .
I C 6 5 0 i s o u t p u t
d e p e n d i n g o n t h e
t h e i n p u L / o u t p u t
a / / a a / n U b b 2 0 b ' / 8 a r e
b u f f e r s e t t l i n g t i m e c o n t r o l l e r
.
t h e L C f i l t e r s f o r o u t s i d e
a s s h o w n i n T a b l e
7 - 2 w h e n M 0 T 0 R 0 N = ' r H r r
U N I T S E L E C T 2 1 a n d 2 0 s i g n a l .
T a b l e 7 . 2 I C 6 l t / + s w i t c h e s t h e
w i t h t h e f f i
s h o w n i n T a b l e 7 . 3 .
T a b l e 7 . 3
i n p u t s i g n a l
s i g n a l a s
r c 6 r 8 u
input
output
SELECNI
SEI."ECTT $TMTT'ETMTT
$rmTT
SEIITT
L L L
H
H H
L
H H
L
H H
H L H H L H
H H H H H L
DOUBLE DEN
-output
signal
N_AW_RE_AD RFADTTMK
Write Data
-L
RE_AD_MTA D:REIK
WRITE DATA
switched by DOIIBI
Effi sig. and out-
putted
H
SMAD DATA
S-RCLK SINGLE WD
. . . / / r 9