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YEAM1710G022
Function
State Display Data Signal Output
Muting Output, Active Low
Crystal OSC, 4.5
MHz
Power Supply, +5V +0.5V
ONO!
AW)
N=
Phase Detector Output
Ground
Phase Detector Output
CE
Chip Enable Input
SD
Station Detector Input
Not Used
FM
FM Programmable Counter Input
Part
Function
=
Not Used
FM(PA1)
MW(PA2)
Band Mode Output, Active High
LW(PA3)
SEGh(PD3)
Static Display Clock Signal Output
ALARM(VDP) | Static Display Clock Signal Output
ALARM(VDP)
| ARI Alarm Output
Power Supply, +5V +0.5V
Key Return Signal Source
Not Used
PSC
Pre-Scaler Control
INT
Break Out
AM
AM Programmable Counter Input
BK(PC2)
DK(PC3)
BK Signal (A to F) Input
DK Signal (125Hz) Input
Not Used
C(PBO)
ARI Control Output, Active Low
2
2
A+B(PB1)
ARI Control Output, Active High
5
6
MUTE-2(PB2)
TAPE (PB3)
Muting Output, Active High
Tape Mode Output, Active High
ARI(PAO)
ARt Mode Output, Active High
i6
xX 1016
ROM
DEC
fig
Key Return Signal Source
Key Matrix Input
za Not Used
Key Matrix Input
Not Used
-—12-
Not Used
Static Display DK Signal Output
Static Display Load Signal Output
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