MSM66577 datasheet(2/37 Pages) OKI

2 / 37 page

PEDL66579-03

1Semiconductor

MSM66579 Family

2/37

FEATURES

Name

MSM66577L

MSM66577

MSM66579L

Operating temperature

–30°C to +70°C

Power supply voltage/

maximum frequency

DD = 2.4 to 3.6 V/f = 14 MHz VDD = 4.5 to 5.5 V/f = 30 MHz VDD = 2.4 to 3.6 V/f = 28 MHz

Minimum instruction

execution time

143 ns at 14 MHz

61 µs at 32.768 kHz

67 ns at 30 MHz

61 µs at 32.768 kHz

71 ns at 28 MHz

61 µs at 32.768 kHz

Internal ROM size

(max. external)

128 KB (1 MB)

Internal RAM size

(max. external)

4 KB (1 MB)

12 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 out/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

Separate address and data busses/multiplexed address and data busses

Bus release function

Others

Dual clocks

Flash ROM version

MSM66Q577L

MSM66Q577

MSM66Q579L

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