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UPD17P136ACT Datasheet(PDF) 25 Page - NEC

Part # UPD17P136ACT
Description  4-BIT SINGLE-CHIP MICROCONTROLLER
PDF  292 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD17P136ACT Datasheet(HTML) 25 Page - NEC

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CHAPTER 1 GENERAL DESCRIPTION
6
(2) Program memory write/verify mode
28-pin plastic shrink DIP (400 mil)
µPD17P136ACT, 17P137ACT
28-pin plastic SOP (375 mil)
µPD17P136AGT, 17P137AGT
Caution ( ) represents processing of the pins which are not used in program memory write/verify
mode.
L
: Connect to GND via pull-down resistor one by one.
RESET : Set the same electric potential as VDD in program memory write/verify mode.
RESET pin is also used for system reset input before setting program memory
write/verify mode.
Therefore, RESET pin should be set to the same electric
potential as VDD 10
µs or later than that of VDD pin (For details, refer to CHAPTER
18 ONE-TIME PROM WRITING/VERIFYING).
Open
: Do not connect anything.
VDD
: Connect to VDD directly.
(VDD)
1
(L)
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
MD3
MD2
MD1
MD0
D7
D6
D5
D4
D3
D2
D1
D0
GND
RESET
VPP
CLK
VDD
(L)
(Open)



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