R8C/13 Group
12.3 Timer (Timer Z)
Set to “1” by program
“1”
“0”
TZS bit in
TYZMR register
Set to “0” when count
completes
Set to
trigger
“1”
by program or “1” by INT0 pin input
“1”
“0”
TZOS bit in
TYZOC register
Count source
Prescaler Z
underflow signal
“1”
“0”
INT0 input pin
Timer Z
secondary
reload
Timer Z
primary
reload
Count
starts
0116
0016
0216
0116
0016
0116
Contents of Timer Z
Set to “0” when interrupt request
is acknowledged or by program
“1”
“0”
IR bit in
TZIC register
Set to “0” by program
“1”
“0”
TZOPL bit in
PUM register
Waveform
output starts
Waveform
output
completes
Wait starts
“H”
“L”
TZOUT pin output
The above applies to the following conditions;
PREZ=0116, TZPR=0116, TZSC=0216
TZOPL bit in PUM register=0, INOSTG bit=1(INT0 one-shot trigger enabled)
INOSEG bit=1(rising edge trigger)
Figure 12.27 Operation Example in Programmable Wait One-shot Generation Mode
Rev.1.20 Jan 27, 2006 page 100 of 205
REJ09B0111-0120
RENESAS [ RENESAS TECHNOLOGY CORP ]
