NEC 78K0 User Manual page 151

Figure 6-29. Control Register Settings in Square-Wave Output Mode (2/2)
ES101 ES100 ES001
PRM00 0/1 0/1 0/1
Remark 0/1: Setting 0 or 1 allows another function to be used simultaneously with square-wave output. See the
description of the respective control registers for details.
Count clock
TM00 count value 0000H 0001H 0002H
CR000
INTTM000
TO00 pin output
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
(d) Prescaler mode register 00 (PRM00)
ES000 3 2 PRM001
0/1 0 0 0/1
Figure 6-30. Square-Wave Output Operation Timing
N − 1
N
User's Manual U16227EJ2V0UD
PRM000
0/1
Selects count clock.
Setting invalid (setting "10" is prohibited.)
Setting invalid (setting "10" is prohibited.)
N 0000H 0001H 0002H
N − 1
N 0000H
151