NEC 78K0 Series User Manual page 193

CHAPTER 7 16-BIT TIMER/EVENT COUNTERS 00 AND 01
Figure 7-23. Example of Software Processing for Square Wave Output Function
TM0n register
0000H
Operable bits
(TMC0n3, TMC0n2)
CR00n register
TO0n pin output
INTTM00n signal
TO0n output control bit
(TOE0n)
<1> Count operation start flow
START
Register initial setting
PRM0n register,
CRC0n register,
TOC0n register
CR00n register,
port setting
TMC0n3, TMC0n2 bits = 11
<2> Count operation stop flow
TMC0n3, TMC0n2 bits = 00
STOP
Note Care must be exercised when setting TOC0n. For details, see 7.3 (3) 16-bit timer output control
register 0n (TOC0n).
µ
Remark n = 0: PD78F0531, 78F0532, 78F0533
µ
n = 0, 1: PD78F0534, 78F0535, 78F0536, 78F0537, 78F0537D
N
00
<1>
Initial setting of these registers is performed before
setting the TMC0n3 and TMC0n2 bits to 11.
Note
,
Starts count operation
The counter is initialized and counting is stopped
by clearing the TMC0n3 and TMC0n2 bits to 00.
Preliminary User's Manual U17260EJ3V1UD
N N
11
N
<2>
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