3858

MPU & MCU

740 Family

38000/740

Item

Description

Central Processing Unit (CPU)

Number of Basic Instructions	71 instructions
Minimum Instruction Execution Time	0.32 μs (f(XIN) = 12.5MHz)
Operating Mode	Single-chip
Address Space	64k bytes

Programable I/O Ports

Input/Output: 34

Programmable Pull-up Resistors

Ports P0 to P4

Interrupt

External: 8 sources
Internal: 10 sources

Timers

16-bit × 2, 8-bit × 4 (with 8-bit prescaler)

16-bit	Timer Z1	7 operation modes (Timer mode, Event counter mode, Pulse output mode, Pulse period measurement mode, Pulse width measurement mode, Programmable waveform generating mode, Programmable one-shot generating mode)
16-bit	Timer Z2	7 operation modes (Timer mode, Event counter mode, Pulse output mode, Pulse period measurement mode, Pulse width measurement mode, Programmable waveform generating mode, Programmable one-shot generating mode)
8-bit	Timer 1	Same as timer mode with 8-bit prescaler (common to Timer 2)
	Timer 2	Same as timer mode with 8-bit prescaler (common to Timer 1)
	Timer X	4 operation modes (Timer mode, Pulse output mode, Event counter mode, Pulse width measurement mode) with 8-bit prescaler
	Timer Y	4 operation modes (Timer mode, Pulse output mode, Event counter mode, Pulse width measurement mode) with 8-bit prescaler

Watchdog Timer

16-bit × 1

Serial Interfaces

UART or Clock-synchronized: 8-bit × 1
Clock-synchronized: 8-bit × 1

PWM

8-bit × 1 (with 8-bit prescaler)

A/D Converter

8-bit × 9-channel

LED Direct Drive Ports

Clock Generating Circuit

Main Clock Generating Circuit:: Built-in feedback resistor
Connect to external ceramic resonator or quartz-crystal oscillator
Sub-clock Generating Circuit:: Connect to external quartz-crystal oscillator

Power Source Voltage

4.0 to 5.5V at High-speed mode (f(XIN)=12.5MHz)
2.7 to 5.5V at High-speed mode (f(XIN)=6MHz)
2.7 to 5.5V at Middle-speed mode (f(XIN)=12.5MHz)
2.7 to 5.5V at Low-speed mode (f(XIN)=32kHz)

Current Consumption

6mA (High-speed mode, f(XIN)=12.5MHz, VCC=5V)
10 μA (Low-speed mode, f(XCIN)=32kHz, VCC=3V)

Operating Temperature Range

–20 to 85 degrees C

Packages

42-pin SDIP (PRDP0042BA-A, Previous code: 42P4B)
42-pin SSOP (PRSP0042GA-B, Previous code: 42P2R-E)