UPD17P218CT Ver la hoja de datos (PDF) - NEC => Renesas Technology

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Fabricante

UPD17P218CT

4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROLLER

NEC => Renesas Technology 

(2) PROM programming mode

D2

1

D3

2

V PP

3

4

5

(L)

6

7

(Open)

8

V DD

9

(Open)

10

CLK

11

GND

12

(L)

13

(Open)

14

µPD17P218

28

D1

27

D0

26

D7

25

D6

24

D5

23

D4

22

MD 3

21

MD 2

20

MD 1

19

MD 0

18

17

(L)

16

15

Note:

Those enclosed in parentheses indicate the processing of the pins not used in PROM programming

mode.

L : Ground these pins through a resistor (470 W).

Open : Do not connect anything to these pins.

CLK

:

D0-D7 :

GND :

MD0-MD3 :

VDD

:

VPP

:

PROM clock input

PROM data I/O

Ground

PROM mode selection

Positive power supply

PROM writing power supply

3

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