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UPD75P0076CU 데이터시트(PDF) 8 Page - NEC

부품명 UPD75P0076CU
상세설명  4-BIT SINGLE-CHIP MICROCONTROLLER
PDF  62 Pages
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제조업체  NEC [NEC]
홈페이지  http://www.nec.com/
Logo NEC - NEC

UPD75P0076CU 데이터시트(HTML) 8 Page - NEC

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µPD75P0076
8
3.2 Non-port Pins (2/2)
Pin name
I/O
Alternate function
Function
After
Circuit
reset
type
MD0 to MD3
I
P30 to 33
Mode selection for program memory (PROM)
Input
E-B
write/verify.
D0 to D3
I/O
P40 to 43
Data bus pin for program memory (PROM) write/verify.
Input
M-E
D4 to D7
P50 to 53
VPPNote
—
—
Programmable voltage supply in program memory
—
—
(PROM) write/verify mode.
In normal operation mode, connect directly to VDD.
Apply +12.5 V in PROM write/verify mode.
VDD
—
—
Positive power supply
—
—
VSS
—
—
Ground
—
—
Note
During normal operation, the VPP pin will not operate normally unless connected to VDD pin.



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