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3.1.6 Calendar Clock Interface
Calendar clock interface is equipped with a n LSI for watch (pPD 1990AC).
The following
-
shows the 110 port.
*
Command data output port
OUT 09
C2. C1. CO
Conlnland output port
COO
CCK
SHIFT CLOCK
0
Clock Off
1
Clock On
CDO
Data output port
CCK
The first value is 05H
*
Command Strobe to the Clock
C2
OUT 90
TSTB
C1
TSTB
COMMAND STROBE TO CLOCK
0
Strobe Off
1
Strobe On
C O
*
Data from Clock
CDI
CLOCK DATA INPUT PORT
3 -8
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