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Chapter 39 Programmable Pulse Generator
7.Q & A
Triggers are selectable for PPG8, PPG9, PPG10, and PPG11 independently.
Internal Trigger
To select the EN0 bit of the GCN22 register
To select the EN1 bit of the GCN22 register
To select the EN2 bit of the GCN22 register
To select the EN3 bit of the GCN22 register
To select reload timer 4
To select reload timer 5
External Trigger
To select the external trigger on GP14_0
To select the external trigger on GP14_1
To select the external trigger on GP14_2
To select the external trigger on GP14_3
Triggers are selectable for PPG12, PPG13, PPG14, and PPG15 independently.
Internal Trigger
To select the EN0 bit of the GCN23 register
To select the EN1 bit of the GCN23 register
To select the EN2 bit of the GCN23 register
To select the EN3 bit of the GCN23 register
To select reload timer 6
To select reload timer 7
External Trigger
To select the external trigger on GP14_4
To select the external trigger on GP14_5
To select the external trigger on GP14_6
To select the external trigger on GP14_7
The same trigger can be specified for a group of PPGs to activate all these PPGs simultaneously. (See
Caution (Page
No.821)".)
• Trigger edge selection
Trigger edges are set using trigger input edge selection bits (PCN.EG[1:0]).
Trigger Edge Selection
When not detected (software trigger only)
"L" -> "H" Trigger generated on the rising edge
"H" -> "L" Trigger generated on the falling edge
Trigger generated on both edges
(See
"8. Caution (Page
816
No.821)".)
PPG8
PPG9
Internal Trigger Specification Bit
TSEL0[3:0]
TSEL1[3:0]
Set "0000"
Set "0000"
Set "0001"
Set "0001"
Set "0010"
Set "0010"
Set "0011"
Set "0011"
Set "0100"
Set "0100"
Set "0101"
Set "0101"
PPG9
PPG9
External Trigger Specification Bit
TSEL0[3:0]
TSEL1[3:0]
Set "1000"
Set "1000"
Set "1001"
Set "1001"
Set "1010"
Set "1010"
Set "1011"
Set "1011"
PPG12
PPG13
Internal Trigger Specification Bit
TSEL0[3:0]
TSEL1[3:0]
Set "0000"
Set "0000"
Set "0001"
Set "0001"
Set "0010"
Set "0010"
Set "0011"
Set "0011"
Set "0100"
Set "0100"
Set "0101"
Set "0101"
PPG12
PPG13
External Trigger Specification Bit
TSEL0[3:0]
TSEL1[3:0]
Set "1000"
Set "1000"
Set "1001"
Set "1001"
Set "1010"
Set "1010"
Set "1011"
Set "1011"
Trigger Input Edge Selection Bits (EG1-EG0)
Set "00".
Set "01".
Set "10".
Set "11".
PPG10
PPG11
TSEL2[3:0]
TSEL3[3:0]
Set "0000"
Set "0000"
Set "0001"
Set "0001"
Set "0010"
Set "0010"
Set "0011"
Set "0011"
Set "0100"
Set "0100"
Set "0101"
Set "0101"
PPG10
PPG11
TSEL2[3:0]
TSEL3[3:0]
Set "1000"
Set "1000"
Set "1001"
Set "1001"
Set "1010"
Set "1010"
Set "1011"
Set "1011"
PPG14
PPG15
TSEL2[3:0]
TSEL3[3:0]
Set "0000"
Set "0000"
Set "0001"
Set "0001"
Set "0010"
Set "0010"
Set "0011"
Set "0011"
Set "0100"
Set "0100"
Set "0101"
Set "0101"
PPG14
PPG15
TSEL2[3:0]
TSEL3[3:0]
Set "1000"
Set "1000"
Set "1001"
Set "1001"
Set "1010"
Set "1010"
Set "1011"
Set "1011"
"8.
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