NEC 78K0 Series User Manual page 221

8-bit single-chip microcontrollers
Hide thumbs Also See for 78K0 Series:
Table of Contents

Advertisement

Figure 7-44. Example of Software Processing in Free-Running Timer Mode
FFFFH
TM0n register
0000H
Operable bits
(TMC0n3, TMC0n2)
Compare register
(CR00n)
Compare match interrupt
(INTTM00n)
Compare register
(CR01n)
Compare match interrupt
(INTTM01n)
Timer output control bits
(TOE0n, TOC0n4, TOC0n1)
TO0n pin output
<1> Count operation start flow
START
Register initial setting
PRM0n register,
CRC0n register,
Note
TOC0n register
CR00n/CR01n register,
TMC0n.TMC0n1 bit,
port setting
TMC0n3, TMC0n2 bits = 0, 1
<2> Count operation stop flow
TMC0n3, TMC0n2 bits = 0, 0
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
CHAPTER 7 16-BIT TIMER/EVENT COUNTERS 00 AND 01
M
N
00
<1>
Initial setting of these registers is performed
before setting the TMC0n3 and TMC0n2
bits to 01.
,
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
M
N
N
01
M
N
M
N
00
<2>
221

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents