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Chapter 39 Programmable Pulse Generator
3.Configuration
3. Configuration
Figure 3-1 Configuration Diagram
Figure 3-2 Register List
OR
Trigger
OR
MDSE PCNH: bit13
0
1
PWM operation
One shot
PPG (0-3)
PCSR PDUT
Reload
Duty value
Only write
enabled
Period value
Only write
enabled
Buffers
Buffers
Compare
CKS1,0 PCNH: bit11,10
1
CLKP/64
1
0
CLKP/16
1
1
CLKP/4
0
0
CLKP
0
Prescaler
Peripheral
clock
(CLKP)
Borrow
Duty match
Read-only
down counter
OR
Enable operation/Stop
Count clock
PTMR
Duty
match
CNTE PCNH: bit15
0
1
Stop
Enable operation
RTRG PCNH: bit12
0
1
Restart disabled
Restart enabled
Control
circuit
OSEL PCNH: bit9,PCNL:bit0
Clamped H output1
Clamped L output1
Inverted output
0
Normal output
0
PGMS
1
0
1
0
Trigger selection
TSEL03-00
1000
0000
0010
0100
1010
1100
- Disabled--1
-
Disabled
110
16-bit reload timer ch0
16-bit reload timer ch1
GCN20 EN3 bit
GCN10: bit3-0
GCN20 EN2 bit
GCN20 EN1 bit
GCN20 EN0 bit
OR
Edge
selection
STGR PCNH: bit14
0
1
Operation unaffected
Software trigger
Read: Always '0'
Selector
IRS1,0 PCNL: bit3,2
1
Counter borrow or duty match
1
0
Duty match
1
1
Counter borrow
0
0
Software trigger, or trigger input available
0
Selector
Interrupt cause selection
Trigger
Borrow
Reload timer ch0
Reload timer ch1
EN0 GCN20: bit0
EN1 GCN20: bit1
EN2 GCN20: bit2
EN3 GCN20: bit3
EGS1,0 PCNL: bit7,6
Both edges
Falling edge
Rising edge
Operation unaffected
Edge selection
11
01
10
00
Timer
Period
setting
Duty
setting
Control
status H
Controls
status L
PPG
Pin
PTMR0 PCSR0 PDUT0 PCNH0 PCNL0
PTMR1 PCSR1 PDUT1 PCNH1 PCNL1
PTMR2 PCSR2 PDUT2 PCNH2 PCNL2
0
1
2
3 PTMR3 PCSR3 PDUT3 PCNH3 PCNL3
PPG0
PPG1
PPG2
PPG3
Register number
IRQF PCNL: bit4
0
1
No interrupt request
Interrupt request
Write 0: Flag clear
OR
1
0
PPG1
interrupt
request
PPG2/3
interrupt
(#114/#115)
OR
PPG2
interrupt
request
PPG3
interrupt
request
PPG0
interrupt
request
IREN PCNL: bit5
0
1
Interrupt disabled
Interrupt enabled
PPG0/P17.0
PPG1/P17.1
PPG2/P17.2
PPG3/P17.3
0
1
From Port
Data register
Port read
Output level
(Latch)
PPG0
PPG1
PPG2
PPG3
PFR4: bit0
PFR4: bit1
PFR4: bit2
PFR4: bit3
0
1
General-purpose port
PPG output
PPG0/1
interrupt
(#112/#113)