UPD17149GT-XXX Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD17149GT-XXX

SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD17145(A1), 17147(A1), 17149(A1)

1. PIN

1.1. Pin Function

Pin Number

1

2

Symbol

VDD

P0F1/VREF

Function

Power supply.

Reference voltage input to port 0F and A/D converter.

• Pull-up resistor can be connected by mask

option.

• P0F1

• Bit 1 of 2-bit input port (P0F)

• VREF

• Reference voltage input pin of A/D converter

Output Format

—

Input

After Reset

—

Input (P0F1)

3 to 6

P0C3/ADC3

to

P0C0/ADC0

Analog input to port 0C and A/D converter.

• P0C3-P0C0

• 4-bit I/O port

• Can be set in input or output mode bitwise.

• ADC3-ADC0

• Analog inputs to A/D converter.

CMOS push-pull Input (P0C)

7

P0B3

Port 0B.

8

P0B2

• 4-bit I/O port

9

P0B1

• Can be set in input or output mode in 4-bit CMOS push-pull

Input

units.

10

P0B0

• Pull-up resistor can be connected in 4-bit units

via software.

11

P0A3

Port 0A.

12

P0A2

• 4-bit I/O port.

13

P0A1

• Can be set in input or output mode in 4-bit CMOS push-pull

Input

units.

14

P0A0

• Pull-up resistor can be connected in 4-bit units

via software.

15

P0E3

Port 0E.

16

P0E2

• 4-bit I/O port.

17

P0E1

• Can be set in input or output mode in 4-bit

N-ch

Input

units.

open-drain

18

P0E0

• Pull-up resistor can be connected in 4-bit units

via software.

19

P0D3/TM1OUT Port 0D that is also used for timer 1 output, serial

data input, serial data output, and serial clock I/O.

• Pull-up resistor can be connected bitwise via

software.

• P0D3-P0D0

• 4-bit I/O port.

• Can be set in input or output mode bitwise.

• TM1OUT

N-ch

open-drain

Input (P0D)

• Timer 1 output

20

P0D2/SI

• SI

• Serial data input

21

P0D1/SO

• SO

• Serial data output

22

P0D0/SCK

• SCK

• Serial clock I/O

9

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