4554 datasheet(4/138 Pages) RENESAS

Part #	4554

Description	SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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4 / 138 page

Rev.3.00

Aug 06, 2004

page 4 of 136

REJ03B0043-0300Z

4554 Group

PERFORMANCE OVERVIEW

Function

136

0.5

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

8192 words ✕ 10 bits

12288 words ✕ 10 bits

16384 words ✕ 10 bits

512 words ✕ 4 bits (including LCD display RAM 32 words ✕ 4 bits)

Eight independent I/O ports.

Input is examined by skip decision.

The output structure can be switched by software.

Port D7 is also used as CNTR0 pin.

Two independent output ports.

Ports D8 and D9 are also used as INT0 and INT1, respectively.

4-bit I/O port; A pull-up function, a key-on wakeup function and output structure can be switched

by software.

4-bit I/O port; A pull-up function, a key-on wakeup function and output structure can be switched

by software.

4-bit input port; Port P20–P23 are also used as SEG31–SEG28 pins.

4-bit input port; Port P30–P33 are also used as SEG27–SEG24 pins.

1-bit output; Port C is also used as CNTR1 pin.

8-bit programmable timer with a reload register and has an event counter.

8-bit programmable timer with a reload register.

8-bit programmable timer with a reload register and has an event counter.

8-bit programmable timer with two reload registers.

16-bit timer, fixed dividing frequency

1/2, 1/3 bias

2, 3, 4 duty

4

32

2r ✕ 3, 2r ✕ 2, r ✕ 3, r ✕ 2 (they can be switched by software.)

7 (two for external, five for timer)

1 level

8 levels

CMOS silicon gate

64-pin plastic molded QFP (64P6N)

–20 °C to 85 °C

2 to 5.5 V (It depends on the operation source clock, operation mode and oscillation frequency.)

2.5 to 5.5 V (It depends on the operation source clock, operation mode and oscillation frequency.)

2.8 mA (Ta=25°C, VDD = 5 V, f(XIN) = 6 MHz, f(XCIN) = 32 kHz, f(STCK) = f(XIN))

20

µA (Ta=25°C, VDD = 5 V, f(XCIN) = 32 kHz)

0.1

µA (Ta=25°C, VDD = 5 V)

Parameter

Number of basic instructions

Minimum instruction execution time

Memory sizes

Input/Output

ports

Timers

LCD control

circuit

Interrupt

Subroutine nesting

Device structure

Package

Operating temperature range

Supply

voltage

Power

dissipation

ROM

RAM

D0–D7

D8, D9

P00–P03

P10–P13

P20–P23

P30–P33

C

Timer 1

Timer 2

Timer 3

Timer 4

Timer 5

Selective bias value

Selective duty value

Common output

Segment output

Internal resistor for

power supply

Sources

Nesting

Mask ROM version

One Time PROM version

Active mode

Clock operating mode

At RAM back-up

M34554M8

M34554MC

M34554ED

I/O

Output

I/O

Input

Output

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