R8C/13 Group
12.3 Timer (Timer Z)
Timer Y, Z mode register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
TYZMR
Address
008016
After reset
00
2
1
1
1
Bit symbol
TYMOD0
Function
RW
RW
Bit name
Timer Y-related bit
R1EDG
RW
RW
TYWC
TYS
RW
RW
b5 b4
Timer Z operation
mode bit
1 1 : Programmable wait one-shot generation
mode
TZMOD0
TZMOD1
RW
RW
RW
Timer Z write
control bit
Must set to "1" in programmable wait one-shot
generation mode
TZWC
TZS
Timer Z count
start flag
0 : Stops counting
1 : Starts counting
NOTES:
1. When the TZS bit is set to "0" (stop counting), the timer reloads the content of the reload register before it stops.
Read out the count value before you stop the timer.
Timer Y, Z waveform output control register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PUM
Address
008416
After reset
0016
0
0
0 0
Bit symbol
Bit name
Reserved bit
RW
RW
Function
Must set to “0”
(b3-b0)
TYOPL
Timer Y-related bit
RW
RW
0 : Outputs "H" level one-shot pulse.
Outputs "L" when the timer is stopped.
1 : Outputs "L" level one-shot pulse
Outputs "H" when the timer is stopped.
Timer Z output level
latch
TZOPL
INT0 pin one-shot trigger
control bit(2)
0 : INT0 pin one-shot trigger disabled
1 : INT0 pin one-shot trigger enabled(2)
INOSTG
INOSEG
RW
RW
INT0 pin one-shot trigger
polarity select bit(1)
0 : Edge trigger at falling edge
1 : Edge trigger at rising edge
NOTES:
1. The INOSEG bit is valid only when the INT0PL bit in the INTEN register is set to "0" (one-edge).
2. The INOSGT bit must be set to “1” after the INT0EN bit the INOSEG register and the INOSEG bit in the PUM register are set.
When setting the INOSTG bit to "1" (INT0 pin one-shot trigger enabled), the INT0F0 and INT0F1 bits in the INT0F register
must be set.
The INOSTG bit must be set to “0” (INT0 pin one-shot trigger disabled) after the TZS bit in the TYZMR register is set to “0”
(count stop).
Figure 12.26 TYZMR Register and PUM Register in Programmable Wait One-shot Generation Mode
Rev.1.20 Jan 27, 2006 page 99 of 205
REJ09B0111-0120
RENESAS [ RENESAS TECHNOLOGY CORP ]
