D6P8A View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

D6P8A

4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION

NEC => Renesas Technology 

BLOCK DIAGRAM

REM

Carrier

generator

S1/LED

9-bit

timer

µPD6P8, 6P8A, 6P8B

CPU

core

One-

time

PROM

4

Port KI

4 KI0 to KI3

8

Port KI/O

8 KI/O0 to KI/O7

3

Port S

3 S0, S1/LED, S2

LIST OF FUNCTIONS

Item

ROM capacity

RAM capacity

Stack

I/O pins

Number of keys

Clock frequency

Instruction execution time

Carrier frequency

Timer

POC circuit

RAM retention detector

Internal oscillator

Programming method

Supply voltage

Operating ambient

temperature

Package

RAM

System

control

XIN

XOUT

VDD

GND

µPD6P8

µPD6P8A

µPD6P8B

2026 × 10 bits

One-time PROM

32 × 4 bits

1 level (shared with RF of RAM)

Key input (KI):

Key I/O (KI/O):

Key expansion input (S0, S1, S2):

Remote control transmission display output (LED):

4 pins

8 pins

3 pins

1 pin (shared with S1 pin)

32 keys

56 keys (when expanded by key expansion input)

Ceramic oscillation

fX = 3.5 to 4.5 MHz

16 µs (@ fX = 4 MHz)

The high-level and low-level width can be set separately from 250 ns to 64 µs (@ fX = 4 MHz

operation) via modulo registers

9-bit programmable timer: 1 channel, timer clock: fX/64

On chip

On chip

Not available

On chip

Parallel

Serial

VDD = 1.9 to 3.6 V

TA = –40 to +85°C

20-pin plastic SSOP (7.62 mm (300))

Data Sheet U17848EJ3V0DS

5

Share Link: