R8C13 Datasheet, PDF (108/224 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY/R8C/Tiny SERIES

R8C/13 Group
12.3 Timer (Timer Z)
Set to “1” by program
TZS bit in ^{“1”}
TYZMR register _{“0”}
Set to “1” by program
TZOS bit in ^{“1”}
TYZOC register
“0”
Set to “0” when count
completes
Set to “1” by INT0 pin
input trigger
Count source
Prescaler Z
underflow signal
“1”
INT0 pin input
“0”
Contents of Timer Z
IR bit in ^{“1”}
TZIC register
“0”
TZOPL bit in ^{“1”}
PUM register
“0”
“H”
TZOUT pin output
“L”
Count
starts
0116
Timer Z
primary
reload
Count
starts
0016
0116
0016
Timer Z
primary
reload
0116
Set to “0” when interrupt request
is acknowledged or by program
Set to “1” by program
Waveform
output starts
Waveform
output
completes
Waveform
output starts
Waveform
output
completes
The above applies to the following conditions;
PREZ=0116, TZPR=0116
TZOPL bit in PUM register=0, INOSTG bit= 1(INT0 one-shot trigger enabled)
INOSEG bit= 1(rising edge trigger)
Figure 12.25 Operation Example in Programmable One-shot Generation Mode
Rev.1.20 Jan 27, 2006 page 97 of 205
REJ09B0111-0120