M37549G3FP datasheet(4/84 Pages) RENESAS

Part #	M37549G3FP

Description	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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4 / 84 page

Rev.2.01

Oct 15, 2007

Page 4 of 81

REJ03B0202-0201

7549 Group

PERFORMANCE OVERVIEW

Table 1

Performance overview

Parameter

Function

Number of basic instructions

71

Instruction execution time

0.25

µs (Minimum instruction, oscillation frequency 8MHz, double-speed mode)

Oscillation frequency

8 MHz (Maximum)

Memory sizes

ROM

M37549G1

2K bytes

× 8 bits

M37549G2

4K bytes

× 8 bits

M37549G3

6K bytes

× 8 bits

RAM

M37549G1

192 bytes

× 8 bits

M37549G2

256 bytes

× 8 bits

M37549G3

256 bytes

× 8 bits

I/O port

P00-P07 I/O

1-bit

× 8, LED direct drive ports

P10-P17 I/O

1-bit

× 8

P20

Output

1-bit

× 1

P21

I/O

1-bit

× 1

P30, P31 I/O

1-bit

× 2

Interrupts

Source

12 sources, 12 vectors

Timer

8-bit

× 2, 16-bit × 1

Output compare

3-channel

Input capture

1 channel

Serial interface

8-bit

× 1 (UART or clock synchronous)

A/D converter

10-bit resolution

× 8 channel

Watchdog timer

16-bit

× 1

Power-on reset circuit

Built-in

Low voltage detection circuit

Built-in

Clock generating circuit

Built-in (external ceramic resonator or quartz-crystal oscillator, external 32-kHz

quartz-crystal oscillator available) (built-in high/low-speed on-chip oscillator)

Function set ROM

area

Function set ROM

Function set ROM is assigned to address FFD816 to FFDA16.

Valid/invalid of low voltage detection circuit can be selected.

Oscillation mode can be selected.

Enable/disable of watchdog timer and STP instruction can be selected.

ROM code protect

ROM code protect is assigned to address FFDB16.

Read/write the built-in QzROM by serial programmer is disabled by setting “00”

to ROM code protect.

Power source

voltage

(at ceramic

resonator)

Double-

speed

mode

at 8 MHz oscillation

4.5 to 5.5 V

at 2 MHz oscillation

2.4 to 5.5 V

at 1 MHz oscillation

2.2 to 5.5 V

High-

speed

mode

at 8 MHz oscillation

4.0 to 5.5 V

at 4 MHz oscillation

2.4 to 5.5 V

at 1 MHz oscillation

1.8 to 5.5 V

Power source

voltage

(at high-speed on-

chip oscillator)

Double-

speed

mode

at 4 MHz oscillation

4.0 to 5.5 V

Power source

voltage

(at low-speed on-

chip oscillator)

Double-

speed

mode

at 250 kHz oscillation

1.8 to 5.5 V

Power dissipation

30 mW

Operating temperature range

-20 to 85 °C

Device structure

CMOS silicon gate

Package

24-pin plastic molded SSOP (PRSP0024GA-A)

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M37549G3FP Datasheet(PDF) 4 Page - Renesas Technology Corp

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