MSM66577 datasheet(2/34 Pages) OKI

2 / 34 page

PEDL66577-01

1Semiconductor

MSM66577 Family

2/34

FEATURES

Name

MSM66577L

MSM66577

Operating temperature

–30°C to +70°C

Power supply voltage/

maximum frequency

DD = 2.4 to 3.6 V/f = 14 MHz

DD = 4.5 to 5.5 V/f = 30 MHz

143 ns at 14 MHz

67 ns at 30 MHz

Minimum instruction

execution time

61 µs at 32.768 kHz

Internal ROM size (max. external)

128 KB (1 MB)

Internal RAM size (max. external)

4 KB (1 MB)

I/O ports

74 I/O pins (with programmable pull-up resistors) 8 input-only pins

16-bit free running timer × 1ch

Compare output/capture input × 2ch

16-bit timer (auto reload/timer out) × 1ch

8-bit auto reload timer × 2ch (can also be used as 16-bit timer × 1ch)

8-bit auto reload timer × 1ch

8-bit auto reload timer × 3ch

(also functions as serial communication baud rate generator)

8-bit auto reload timer × 1ch (also functions as watchdog timer)

Watch timer (Real-timer counter) × 1ch

Timers

8-bit PWM × 4ch (can also be used as 16-bit PWM × 2ch)

Synchronous, with 32-byte FIFO × 2ch

Serial port

UART/Synchronous × 2ch

A/D converter

10-bit A/D converter × 8ch

D/A converter

8-bit D/A converter × 2ch

External interrupt

Non-maskable × 1ch

Maskable × 8ch

Interrupt priority

3 levels

External bus interface

(Separate address and data busses / multiplexed address and data

busses)

Bus release function

Dual clocks function

Others

Clock gear function

Flash ROM version

MSM66Q577LY

DD=3.0 to 3.6V)

MSM66Q577

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