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Chapter 38 Reload Timer
3.Configuration
Reload timer 2
Reload timer 3
Reload timer 4
Reload timer 5
Reload timer 6
Reload timer 7
• A/D converter activation trigger source (Reload timer 7
3. Configuration
Reload Timer 0 (Internal clock count)
To general-purpose
port input
TIN0/ICU0/P14.0
TRG TMCSRx:bit0
0
0
No effect
1
1
Soft trigger
Trigger selection
MOD2-0
TMCSRx: bit9-7
0
0
0
Software trigger
0
0
1
External trigger rising edge
0
1
0
External trigger falling edge
0
1
1
External trigger both edges
1
X
X
Disabled
776
PPG4, PPG5
:
PPG6, PPG7
:
PPG8, PPG9
:
PPG10, PPG11
:
PPG12, PPG13
:
PPG14, PPG15
:
Figure 3-1 Configuration Diagram
TIN0
PFR14.0
GP Port
0
0
1
1
Reload Timer Input
16 bit reload register
From general-purpose
port output
Trigger (load + counter activation)
Stop
CNTE
TMCSRx:bit1
0
0
Stop count (disable output)
1
1
Enable count
Clock source
CLKP /2
3
CLKP /2
5
CLKP /2
16 bit down counter (=timer)
6
CLKP /2
7
CLKP /2
CSL2-0
TMCSRx: bit12-10
0
0
0
Internal clock CLKP/2
0
0
1
Internal clock
0
1
0
Internal clock
0
1
1
(External event) *
1
0
0
Disabled
1
0
1
Internal clock
1
1
0
Internal clock
1
1
1
Disabled
* For external events, see the next chart.
A/D)
:
TMRLR0
OUTL
0
0
1
Reload/activation/stop
/
/
1
control circuit
Reload
Counter
activation
.
Stop
Reload
Underflow
Latch,
output
TMR0
change
From general-purpose
port output
To general-purpose
port input
CLKP/2
CLKP/2
3
CLKP /2
5
UF
UF
CLKP /2
6
0
Underflow not present
CLKP /2
7
1
Underflow generation
WRITE 0: Flag clear
TMCSR:bit5, bit4
RELD
0
"L" square wave during count
One-shot mode
1
"H" square wave during count
0
"L" toggle output on count start
Reload mode
1
"H" toggle output on count start
Ch01 -> PPG0-PPG1
TOT0
EPFR15.0
0
OCU0 output
1
TOT0 output
1
TO T0/OCU0/P15.0
0
INTE
TMCSRx:bit3
0
0
Disable interrupts
1
1
Enable interrupts
1
TMCSRx:bit2
Timer interrupt
(underflow)
0
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