¡ Semiconductor
MSM63184B
• Timers and counter
Watchdog timer ¥ 1
Overflows in 2 sec.
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
• Shift register
Shift clock
Data length
: 1x or 1/2x system clock; external clock
: 8 bits
• Interrupt sources
External interrupt
Internal interrupt
:3
: 7 (watchdog timer interrupt is a nonmask-
able interrupt)
• Operating voltage
When backup used
When backup not used
: 0.9 to 2.7 V
(Low-speed clock operating)
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: 300 to 500 kHz)
2.2 to 5.5 V
(Operating frequency: 300 kHz to 1 MHz)
2.7 to 5.5 V
(Operating frequency: 200 kHz to 2 MHz)
• Package:
128-pin plastic QFP (QFP128-P-1420-0.50-K)
Chip
: (Product name: MSM63184B-xxxGS-K)
: (Product name: MSM63184B-xxx)
xxx indicates a code number.
3/29