7477 datasheet(13/361 Pages) RENESAS

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7470/7471/7477/7478 GROUP USER’S MANUAL

1-6

1.3 Performance overview

Tables 1.3.1 to 1.3.4 show the performance overview of 7470/7471/7477/7478 group.

Table 1.3.1 Performance overview of 7470 group

Parameter

Memory

size

Input/

Output

port

ROM

RAM

I/O

Input

Serial I/O

Timers

PWM

A-D converter

M37470M2

M37470M4/E4

M37470M8/E8

Input/Output

characteristics

Input/Output withstand voltage

Output current

Operating temperature

Device structure

Package

Interrupt

Clock generating circuit

Power source voltage

Power dissipation

Subroutine nesting

Number of basic instructions

Instruction execution time

Clock input oscillation frequency

M37470M2

M37470M4/E4

M37470M8/E8

M37470M2

M37470M4/E4

M37470M8/E8

Functions

71 (69 basic instructions of 740 family and 2 multiplication

and division instructions)

0.5

µ s (the minimum instructions, at 8 MHz clock input

oscillation frequency)

8 MHz (max.)

4096 bytes

8192 bytes

16384 bytes

128 bytes

192 bytes

384 bytes

8-bit

4-bit

2-bit

4-bit

8-bit ! 1

8-bit timer ! 4

1 (in common with 2 timer)

8-bit ! 1 (4 channels)

64 levels max.

96 levels max.

192 levels max.

5 external interrupts, 6 internal interrupts, 1 software interrupt

Built-in circuit with internal feedback resistor (an external

ceramic resonator or a quartz-crystal oscillator)

2.7 V to 4.5 V

(at (2.2 VCC–2) MHz clock input oscillation frequency)

4.5 V to 5.5 V

(at 8 MHz clock input oscillation frequency)

35 mW typ.

(at 8 MHz clock input oscillation frequency)

5 V

–5 mA to +10 mA (P0, P1, P2, P4: CMOS 3-state)

–20

°C to +85 °C

CMOS silicon gate

32-pin shrink plastic molded DIP

M37470Mx/Ex-XXXSP

HARDWARE

1.3 Performance overview

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