NEC PD789488, PD789489, PD78F9488, PD78F9489 - page 36

CHAPTER 1 GENERAL
36 User’s Manual U15331EJ4V1UD
(2/2)
Item µ PD789488 µ PD78F9488 µ PD789489 µ PD78F9489
Supply voltage VDD = 1.8 to 5.5 V
Operating ambient temperature TA = −40 to +85°C
Package • 80-pin plastic QFP (14 × 14)
• 80-pin plastic TQFP (fine pitch) (12 × 12)
An outline of the timer is shown below.
16-Bit
Timer 20
8-Bit
Timer 50
8-Bit
Timer 60
8-Bit
Timer 61
Watch
Timer
Watchdog
Timer
Interval timer − 1 channel 1 channel 1 channel 1 channelNote
1
1 channelNote
2
Operation
mode
External event
counter
− − 1 channel 1 channel − −
Timer outputs 1 output 1 output 1 output 1 output − −
Square-wave
outputs
− 1 output 1 output 1 output − −
Capture 1 input
− − − − −
Function
Interrupt sources 1 1 1 1 2 2
Notes 1. The watch timer can perform both watch timer and interval timer functions at the same time.
2. The watchdog timer has watchdog timer and interval timer functions. However, use the watchdog timer
by selecting either the watchdog timer function or interval timer function.