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UPD65 Datasheet(PDF) 7 Page - NEC

Part # UPD65
Description  4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
PDF  64 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD65 Datasheet(HTML) 7 Page - NEC

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7
µPD64A, 65
Data Sheet U14380EJ2V0DS00
P-ch
N-ch
VDD
Output
latch
Carrier
generator
data
1.2 INPUT/OUTPUT Circuits of Pins
The input/output circuits of the
µPD64A and 65 pins are shown in partially simplified forms below.
(1) KI/O0-KI/O7
(4) S0
(5) S1/LED
Note The drive capability is held low.
(2) KI0-KI3
(3) REM
(6) S2
P-ch
N-chNote
N-ch
VDD
Output
latch
Input buffer
data
output
disable
N-ch
Input buffer
pull-down flag
standby
release
P-ch
N-ch
N-ch
VDD
REM
output latch
Input buffer
output
disable
pull-down flag
standby
release
N-ch
Input buffer
STOP release
ON/OFF
standby
release
OFF mode
pull-down flag
N-ch
standby
release
Input buffer



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