Renesas R8C/18 Series Hardware Manual page 134

R8C/18 Group, R8C/19 Group
Prescaler Z Register
b7 b0
Timer Z Secondary Register
b7 b0
NOTES:
1. Each value in the TZPR register and TZSC register is reloaded to the counter alternately and counted.
2. The count value can be read out by reading the TZPR register even w hen the secondary period is being counted.
Timer Z Primary Register
b7 b0
NOTE:
1. Each value in registers TZPR and TZSC is reloaded to the counter alternately and counted.
Figure 14.13 Registers PREZ, TZSC, and TZPR
Rev.1.30 Apr 14, 2006
REJ09B0222-0130
Symbol
PREZ
Mode
Timer mode
Programmable w aveform
generation mode
Programmable one-shot
generation mode
Programmable w ait one-shot
generation mode
Symbol
TZSC
Mode
Timer mode
Programmable w aveform
generation mode
Programmable one-shot
generation mode
Programmable w ait one-shot
generation mode
Symbol
TZPR
Mode
Timer mode
Programmable w aveform
generation mode
Programmable one-shot
generation mode
Programmable w ait one-shot
generation mode
Page 119 of 233
Address
0085h
Function
Counts internal count source or timer X
underflow s.
Counts internal count source or timer X
underflow s.
Counts internal count source or timer X
underflow s.
Counts internal count source or timer X
underflow s.
Address
0086h
Function
Disabled
Counts underflow of prescaler Z.
Disabled
Counts underflow s of prescaler Z (counts
one-shot w idth).
Address
0087h
Function
Counts underflow s of prescaler Z.
Counts underflow s of prescaler Z.
Counts underflow s of prescaler Z
(counts one-shot w idth).
Counts underflow s of prescaler Z
(counts w ait period).
After Reset
FFh
Setting Range
00h to FFh
00h to FFh
00h to FFh
00h to FFh
After Reset
FFh
Setting Range
—
(1)
00h to FFh
—
00h to FFh
After Reset
FFh
Setting Range
00h to FFh
(1)
00h to FFh
00h to FFh
00h to FFh
14. Timers
RW
RW
RW
RW
RW
RW
—
(2)
WO
—
WO
RW
RW
RW
RW
RW