UPD78C11AGF(A)-XXX-3BE Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD78C11AGF(A)-XXX-3BE

8-BIT SINGLE-CHIP MICROCOMPUTER (WITH A/D CONVERTER)

NEC => Renesas Technology 

µPD78C10A(A), 78C11A(A), 78C12A(A)

1.3 Pin Mask Options

The following mask options are available for pins in the µPD78C11A(A) and 78C12A(A). They are selectable

bit-wise according to the use objective.

Pin name

PA7-0

PB7-0

PC7-0

Mask option

(a) On-chip pull-up resistor

(b) No on-chip pull-up resistor

Cautions 1. If there is an on-chip pull-up resistor for PC3, the zero-cross function will not operate normally.

2. The µPD78C10A(A) has no mask options.

1.4 Recommended Connections of Unused Pins

Pin

PA7-0

PB7-0

PC7-0

PD7-0

PF7-0

RD

WR

ALE

STOP

INT1, NMI

AVDD

VAREF

AVSS

AN7-0

Recommended connection

Connect via a resistor to VSS or VDD.

No connection

Connect to VDD.

Connect to VSS or VDD.

Connect to VDD.

Connect to VSS.

Connect to AVSS or AVDD.

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