UPD75316 datasheet(10/62 Pages) NEC

10 / 62 page

µPD75312(A), 75316(A)

P60

P61

P62

P63

P70

P71

P72

P73

BP0

BP1

BP2

BP3

BP4

BP5

BP6

BP7

KR0

KR1

KR2

KR3

KR4

KR5

KR6

KR7

S24

S25

S26

S27

S28

S29

S30

S31

Also Served

3.1

PORT PINS (2/2)

Input/

Output

Circuit

TYPE*1

Programmable 4-bit input/output port

(PORT6)

This port can be specified for input/

output in bit units.

Internal pull-up resistors can be

specified in 4-bit units by software.

Input

F -A

4-bit input/output port (PORT7)

Internal pull-up resistors can be

specified in 4-bit units by software.

Input

F -A

Pin Name Input/Output

Function

8-Bit I/O

When Reset

1-bit output port (BIT PORT)

Shared with a segment output pin.

G-C

Input/

Output

Input/

Output

*1: Circles indicate Schmitt trigger inputs.

2: For BP0-7, VLC1 indicated below are selected as the input source. However, the output level is

changed depending on BP0-7 and the VLC1 external circuits.

Example: Since BP0-7 are connected to each other within the

µPD75316(A) as shown in the diagram

below, the output level of BP0-7 depends on the sizes of R1, R2 and R3.

PD75316(A)

BP0

BP1

V DD

R 2

R 3

V LC1

R 1

UPD75316 数据表(PDF) 10 Page - NEC

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UPD75316 数据表(PDF) 10 Page - NEC

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