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MITSUMI
Watchdog timer waveform
TIMER CLEAR
(23PIN)
(22PIN)
Interrupt output
(20PIN)
Transmission/Reception waveform
RESET (25PIN)
Transmission
DATA IN (24PIN)
Transmission
waveform (28PIN)
Transmission
waveform (26PIN)
Reception DATA OUT
(6PIN)
(24PIN)
(27PIN)
(26PIN)
Td1
Measuring Circuit
Measuring Cuicuit 1
(6PIN)
Td3
IC for Multifunction Telephones LAG639
Tt
Tpw
Td1
Td2
Td2
Td4
Td3
Td4