µPD178F098
Item
Frequency counter
Standby function
Reset
Supply voltage
Package
Functions
Frequency measurement
• AMIFC pin: For 450-kHz counting
• FMIFC pin: For 450-kHz/10.7-MHz counting
• HALT mode
• STOP mode
• Reset by RESET pin
• Internal reset by watchdog timer
• Reset by power-ON clear circuit
• Detection of less than 4.5 VNote (Reset does not occur, however.)
• Detection of less than 3.5 VNote (during CPU operation)
• Detection of less than 2.3 VNote (in STOP mode)
• VDD = 4.5 to 5.5 V (during CPU, PLL operation)
• VDD = 3.5 to 5.5 V (during CPU operation)
100-pin plastic QFP (14 × 20)
(2/2)
Note These voltages are the maximum values. In practice, the chip may be reset at voltages lower than these.
4
Data Sheet U12920EJ1V0DS00