UPD78064 datasheet(7/66 Pages) NEC

Part #	UPD78064

Description	8-BIT SINGLE-CHIP MICROCONTROLLER

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Manufacturer	NEC [NEC]

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µPD78F0034A, 78F0034AY

7

Data Sheet U14040EJ4V0DS

1. PIN CONFIGURATION (TOP VIEW)

•

64-pin plastic SDIP (19.05 mm (750))

µPD78F0034ACW, 78F0034AYCW

Notes 1.

SDA0 and SCL0 are incorporated only in the

µPD78F0034AY Subseries.

2.

SI31, SO31, and SCK31 are incorporated only in the

µPD78F0034A Subseries.

Cautions 1. Connect the VPP pin directly to VSS0 or VSS1 in normal operation mode.

2. Connect the AVSS pin to VSS0.

Remark

When the

µPD78F0034A and 78F0034AY are used in application fields that require reduction of the

noise generated from inside the microcontroller, the implementation of noise reduction measures, such

as supplying voltage to VDD0 and VDD1 individually and connecting VSS0 and VSS1 to different ground lines,

is recommended.

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P67/ASTB

P66/WAIT

P65/WR

P64/RD

P75/BUZ

P74/PCL

P73/TI51/TO51

P72/TI50/TO50

P71/TI01

P70/TI00/TO0

P03/INTP3/ADTRG

P02/INTP2

P01/INTP1

P00/INTP0

VSS1

X1

X2

VPP

XT1

XT2

RESET

AVDD

AVREF

P10/ANI0

P11/ANI1

P12/ANI2

P13/ANI3

P14/ANI4

P15/ANI5

P16/ANI6

P17/ANI7

AVSS

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P40/AD0

P41/AD1

P42/AD2

P43/AD3

P44/AD4

P45/AD5

P46/AD6

P47/AD7

P50/A8

P51/A9

P52/A10

P53/A11

P54/A12

P55/A13

P56/A14

P57/A15

VSS0

VDD0

P30

P31

P32/SDA0Note 1

P33/SCL0Note 1

P34/SI31Note 2

P35/SO31Note 2

P36/SCK31Note 2

P20/SI30

P21/SO30

P22/SCK30

P23/RxD0

P24/TxD0

P25/ASCK0

VDD1

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