m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 495

• Manufacturer Part Number: m30833fjgp
• Description: Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
• Manufacturer: Renesas Electronics Corporation.

R
R
M
e
E
3
. v
J
2
0
C
1
9
3 .
B
8 /
0
27.8.2.4 Timer A (Pulse Width Modulation Mode)
1
3
0
(d) The IR bit is set to "1" when the timer operation mode is selected as follows:
(e) When a trigger is generated while counting, the reload register reloads and continues counting
(f) The TA1
(g) If an external trigger input is selected to start counting in timer A one-shot timer mode, do not
(a) TAiS(i=0 to 4) bit in the TABSR register is set to "0" (stops counting) after reset. Set TAiS bit to "1"
(b) The IR bit is set to "1" when the timer operation mode is selected as follows:
(c) The followings occur when the TAiS bit is set to "0" (stops counting) while PWM pulse is output:
(d) The TA1
3
J
G
operation mode is selected as is described above.
after the counter has downcounted once following a re-trigger. To generate a trigger while counting,
wait at least 1 count source cycle after the previous trigger has been generated and generate a re-
trigger.
applied to the NMI pin while the INV03 to INV02 bits in the INVC0 register is set to "11
cutoff of the three-phase output by an "L" signal applied to the NMI pin).
provide another external trigger input again for 300 ns before the timer A counter value reaches
"0000
(starts counting) after selecting an operating mode and setting the TAi register.
operation mode is selected as is described above.
applied to the NMI pin while the INV03 to INV02 bits in the INVC0 register are set to "1" (three-phase
output forced cutoff enabled).
4
a
Therefore, set the IR bit to "0" by program when generating a timer Ai interrupt (IR bit), if the timer
o r
0 -
• one-shot timer mode is selected after reset.
• timer mode is switched to one-shot timer mode.
• event counter mode is switched to one-shot timer mode.
Therefore, set the IR bit to "0" by program when generating a timer Ai interrupt (IR bit), if the timer
n
• PWM mode is selected after reset.
• timer mode is switched to PWM mode.
• event counter mode is switched to PWM mode.
• The counter stops counting.
• The IR bit changes to "1" and the output level changes to low ("L") when TAi
• The IR bit and the output level remain unchanged when TAi
3 .
u
1
, 1
3
p
1
16
(
2
M
0
". One-shot timer may stop counting.
0
3
6
2
OUT
OUT
C
8 /
Page 472
, TA2
_______
_______
, TA2
, 3
M
3
OUT
OUT
2
C
f o
8 /
and TA4
and TA4
4
3
8
) T
8
OUT
OUT
pins are placed in high-impedance states when an "L" signal is
pins are placed in high-impedance states when an "L" signal is
_______
OUT
pin is held low ("L").
OUT
27. Precautions (Timer)
pin is held high ("H").
2
" (forced