¡ Semiconductor

ML63512A/63514A

3/29

• Timers and counter

8-bit timer ¥ 2

Selectable as auto-reload mode/capture mode/clock frequency measurement mode

15-bit time base counter ¥ 1

1 Hz, 2 Hz, 4 Hz, 8 Hz, 16 Hz, 32 Hz, 64 Hz, 128 Hz, 256 Hz, 512 Hz, 1 kHz, and 2 kHz signals

can be read (@ 32.768 kHz)

• Serial port

Mode

: Selectable as UART mode/synchronous

mode

UART communication speed

: 2TBCCLK, TBCCLK, 1/2TBCCLK, Timers 0

& 1 overflow

24 kbps Max. (when 2TBCCLK @ 80 kHz

selected)

Clock frequency in synchronous mode

: 30 to 80 kHz (internal clock mode), external

clock frequency

Data length

: 5 to 8 bits

• Interrupt sources

External interrupt (4 sources)

: Selectable as rising edge/falling edge/both

rising and falling edges

Internal interrupt (10 sources)

: Time base interrupt ¥ 4 (2, 4, 16, and 32 Hz

@ 32.768 kHz)

Timer interrupt ¥ 2

Level detector interrupt ¥ 1

Serial port reception interrupt ¥ 1

Serial port transmission interrupt ¥ 1

Melody end interrupt ¥ 1

• Operating Temperature

–20 to +70

°C

• Supply voltage

When backup used

: 0.9 to 1.8 V

(Maximum operating frequency 1 MHz)

When backup not used

: 1.8 to 3.5 V

(When Level detector or Comparator is

used, maximum operating frequency

2 MHz)

1.8 to 5.5 V

(When Level detector and Comparator are

not used, maximum operating frequency

2 MHz)

• Package options:

48-pin plastic TQFP (TQFP48-P-0707-0.50-K) : (Product name: ML63512A-xxxTB,

ML63514A-xxxTB)

64-pin plastic TQFP (TQFP64-P-1010-0.50-K) : (Product name: ML63512A-xxxTP,

ML63514A-xxxTP)

xxx indicates a code number.