Datasheet > 4554

4554

更新时间： 2022-12-14 19:58:58

品牌	Logo	应用领域
瑞萨 - RENESAS		计算机
页数	文件大小	规格书
138页	1065K
描述
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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数据手册

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4554 数据手册

4554 Group

REJ03B0043-0300Z

Rev.3.00

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

Aug 06, 2004

DESCRIPTION

ꢀInterrupt ........................................................................ 7 sources

ꢀKey-on wakeup function pins ................................................... 10

ꢀ LCD control circuit

The 4554 Group is a 4-bit single-chip microcomputer designed with

CMOS technology. Its CPU is that of the 4500 series using a

simple, high-speed instruction set. The computer is equipped with

main clock selection function, four 8-bit timers (each timer has one

or two reload registers), interrupts, and LCD control circuit.

The various microcomputers in the 4554 Group include variations

of the built-in memory size as shown in the table below.

Segment output ........................................................................ 32

Common output .......................................................................... 4

ꢀVoltage drop detection circuit (Reset) .........................Typ. 1.5 V

ꢀWatchdog timer

ꢀClock generating circuit

Main clock

FEATURES

(ceramic resonator/RC oscillation/on-chip oscillator)

Sub-clock

ꢀMinimum instruction execution time .................................. 0.5 µs

(at 6 MHz oscillation frequency, in high-speed through-mode)

ꢀSupply voltage

(quartz-crystal oscillation)

ꢀLED drive directly enabled (port D)

Mask ROM version ...................................................... 2.0 to 5.5 V

One Time PROM version............................................. 2.5 to 5.5 V

(It depends on oscillation frequency and operation mode)

ꢀTimers

APPLICATION

Remot control transmitter

Timer 1...................................... 8-bit timer with a reload register

Timer 2...................................... 8-bit timer with a reload register

Timer 3...................................... 8-bit timer with a reload register

Timer 4................................. 8-bit timer with two reload registers

Timer 5.............................. 16-bit timer (fixed dividing frequency)

ROM (PROM) size

(ꢀ 10 bits)

RAM size

(ꢀ 4 bits)

512 words

Part number

M34554M8-XXXFP

Package

ROM type

8192 words

64P6N-A

Mask ROM

M34554MC-XXXFP

12288 words

16384 words

M34554EDFP (Note)

One Time PROM

Note: Shipped in blank.

Rev.3.00 Aug 06, 2004 page 1 of 136

REJ03B0043-0300Z

12 3 4 5 6 7...138

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