NEC 78K0 Series User Manual page 190

Figure 7-19. Example of Software Processing for Interval Timer Function
TM0n register
Operable bits
(TMC0n3, TMC0n2)
CR00n register
INTTM00n signal
<1> Count operation start flow
Register initial setting
PRM0n register,
CRC0n register,
CR00n register,
TMC0n3, TMC0n2 bits = 11
<2> Count operation stop flow
TMC0n3, TMC0n2 bits = 00
µ
Remark n = 0: PD78F0531, 78F0532, 78F0533
µ
n = 0, 1: PD78F0534, 78F0535, 78F0536, 78F0537, 78F0537D
190
CHAPTER 7 16-BIT TIMER/EVENT COUNTERS 00 AND 01
N
0000H
00
<1>
START
port setting
STOP
Preliminary User's Manual U17260EJ3V1UD
N
11
N
Initial setting of these registers is performed before
setting the TMC0n3 and TMC0n2 bits to 11.
Starts count operation
The counter is initialized and counting is stopped
by clearing the TMC0n3 and TMC0n2 bits to 00.
N
<2>