7546 データシートの表示（PDF） - Renesas Electronics

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7546

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

7546 Group

Table 1 Performance overview

Parameter

Function

Number of basic instructions

71

Instruction execution time

0.25 µs

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

Oscillation frequency

8 MHz (max.)

Memory sizes

ROM

8 K to 16 K bytes

RAM

384 to 512 bytes

I/O port

P0, P1, P2, P3

•8-bit ✕ 1, 6-bit ✕ 2, 5-bit ✕ 1

Interrupts

18 sources, 16 vectors

Timer

•8-bit ✕ 2, 16-bit ✕ 2

Output compare

4 channel

Input capture

2 channel

Serial interface

8-bit ✕ 2 (UART or clock synchronous)

A/D converter

10-bit ✕ 6 channel

Watchdog timer

16-bit ✕ 1

Clock generating circuit

Built-in

(external ceramic resonator or quartz-crystal oscillator, RC oscillation available)

(Low consumption current by on-chip oscillator available)

Power source

Double-speed mode At 8MHz oscillation 4.5 to 5.5 V

voltage

At 6.5MHz oscillation 4.0 to 5.5 V

(at ceramic

At 2MHz oscillation 2.4 to 5.5 V

resonance)

At 1MHz oscillation 2.2 to 5.5 V

High-speed mode At 8MHz oscillation 4.0 to 5.5 V

Middle-speed mode At 4MHz oscillation 2.4 to 5.5 V

At 2MHz oscillation 2.2 to 5.5 V

Power source

High-speed mode At 4MHz oscillation 4.0 to 5.5 V

voltage

Middle-speed mode At 2MHz oscillation 2.4 to 5.5 V

(at RC oscillation)

At 1MHz oscillation 2.2 to 5.5 V

Power source voltage (at on-chip oscillation)

1.8 to 5.5 V

Power dissipation

29.5 mW (Typ.)

Operating temperature range

-20 to 85 °C

Device structure

CMOS sillicon gate

Package

32-pin plastic molded SDIP/LQFP

36-pin plastic molded WQFN

Rev.1.21 Nov 15, 2006 page 4 of 93

REJ03B0160-0121

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