UPD754264 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD754264

4-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD754264

1. PIN CONFIGURATION (TOP VIEW)

• 20-pin Plastic SOP (300 mil, 1.27-mm pitch)

µPD754264GS-×××-BA5

RESET

1

X1

2

X2

3

VSS

4

IC

5

VDD

6

P60/AVREF

7

P61/INT0

8

P62/AN0

9

P63/AN1

10

20

KRREN

19

P80

18

P30/PTO0

17

P31/PTO1

16

P32/PTO2

15

P33

14

P70/KR4

13

P71/KR5

12

P72/KR6

11

P73/KR7

IC: Internally Connected (Connect to VDD directly)

Pin Identification

AN0, AN1

AVREF

IC

INT0

KR4 to KR7

KRREN

P30 to P33

P60 to P63

: Analog input 0,1

: Analog reference

: Internally connected

: External vectored interrupt 0

: Key returns 4 to 7

: Key return reset enable

: Port 3

: Port 6

P70 to P73

: Port 7

P80

: Port 8

PTO0 to PTO2 : Programmable timer outputs 0 to 2

RESET

: Reset

VDD

: Positive power supply

VSS

: Ground

X1 and X2

: System clock (crystal/ceramic)

5

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