FEDL63187B-06
1Semiconductor
ML63187B/63189B
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Timers and counter
8-bit timer × 4
Selectable as auto-reload mode/capture mode/clock frequency measurement mode
Watchdog timer × 1
100 Hz timer × 1
Measurable in steps of 1/100 sec.
15-bit time base counter × 1
1, 2, 4, 8, 16, 32, 64, and 128 Hz signals can be read
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Shift register
Shift clock
Data length
: 1 × or 1/2 × system clock, timer 1 overflow, external clock
: 8 bits
Interrupt sources
ML63187B
External interrupt
Internal interrupt
ML63189B
: 2
: 12 (watchdog timer interrupt is a nonmaskable interrupt)
External interrupt
Internal interrupt
: 3
: 12 (watchdog timer interrupt is a nonmaskable interrupt)
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Operating temperature
–20 to +70°C
Operating voltage
When backup used
: 0.9 to 2.7 V
(Operating frequency: 30 to 80 kHz)
1.2 to 2.7 V
(Operating frequency: 300 to 500 kHz)
1.5 to 2.7 V
(Operating frequency: 200 kHz to 1 MHz)
: 1.8 to 5.5 V
(Operating frequency: 200 kHz to 2 MHz)
When backup not used
Package:
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Chip (ML63187B: 111 pads , ML63189B: 123 pads): (Product name: ML63187B-xxxWA,
ML63189B-xxxWA)
128-pin plastic QFP (QFP128-P-1420-0.50-K)
: (Product name: ML63187B-xxxGA,
ML63189B-xxxGA)
xxx indicates a code number.
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