Renesas M16C FAMILY Hardware Manual page 91
16-bit single-chip microcomputer
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Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/11 Group
Prescaler Y register
b7
Timer Y secondary register
b7
Notes:
1. The values of TYPR register and TYSC register are reloaded to the counter alternately for counting.
2. The count value can be read out by reading the TYPR register even when the secondary period is being
counted.
Timer Y primary register
b7
Notes:
1. The values of TYPR register and PYSC register are reloaded to the counter alternately for counting.
Timer Y, Z output control register
b7 b6 b5 b4 b3 b2 b1 b0
Notes:
1. This bit is set to "0" when the output of one-shot waveform is completed. The TZOS bit should be set to "0" if the
one-shot waveform output is terminated by setting the TYS bit in the TYZMR to "0" during the waveform output.
2. This bit is enabled only when operating in programmable waveform generation mode.
Figure 12.13 PREY Register, TYSC Register, TYPR Register, and TYZOC Register
Rev.0.91
2003 Sep 08
Symbol
b0
PREY
Mode
Internal count source or CNTR1
Timer mode
input is counted
Programmable
Internal count source is counted
waveform generation
mode
Symbol
b0
Mode
Disabled
Timer mode
Programmable
Underflow of Prescaler Y is
waveform generation
counted
mode
Symbol
b0
Mode
Underflow of Prescaler Y is
Timer mode
counted
Programmable
Underflow of Prescaler Y is
waveform generation
counted
mode
Symbol
TYZOC
Bit symbol
Bit
name
Timer Z one-shot
TZOS
1
start bit
Timer Y programmable
TYOCNT
waveform generation
output switching bit
Timer Z programmable
TZOCNT
waveform generation
output switching bit
Nothing is assigned.
When write, set to "0". When read, its content is "0".
(b7-b3)
page 81 of 184
Address
0081
16
Function
Address
TYSC
0082
16
Function
1
Address
TYPR
0083
16
Function
1
Address
After reset
008A
00
16
16
0 : Stops one-shot
1 : Starts one-shot
0 : Outputs programmable waveform
1 : Outputs the value of P3
2
0 : Outputs programmable waveform
1 : Outputs the value of P3
2
12.2 Timer (Timer Y)
After reset
FF
16
Setting range
RW
00
to FF
RW
16
16
00
to FF
16
16
RW
After reset
FF
16
Setting range
RW
00
to FF
2
16
16
WO
After reset
FF
16
Setting range
RW
RW
00
to FF
16
16
RW
00
to FF
16
16
Function
RW
RW
RW
port register
2
RW
port register
1
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