2 psync – psc synchro configuration – Rainbow Electronics ATmega64M1 User Manual
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8209A–AVR–08/09
ATmega16M1/32M1/64M1
When this bit is set, I/O pin affected to PSCOUT2B is connected to the PSC module 2 waveform
generator B output and is set and clear according to the PSC operation.
• Bit 4 – POEN2A: PSC Output 2A Enable
When this bit is clear, I/O pin affected to PSCOUT2A acts as a standard port.
When this bit is set, I/O pin affected to PSCOUT2A is connected to the PSC module 2 waveform
generator A output and is set and clear according to the PSC operation.
• Bit 3 – POEN1B: PSC Output 1B Enable
When this bit is clear, I/O pin affected to PSCOUT1B acts as a standard port.
When this bit is set, I/O pin affected to PSCOUT1B is connected to the PSC module 1 waveform
generator B output and is set and clear according to the PSC operation.
• Bit 2 – POEN1A: PSC Output 1A Enable
When this bit is clear, I/O pin affected to PSCOUT1A acts as a standard port.
When this bit is set, I/O pin affected to PSCOUT1A is connected to the PSC module 1 waveform
generator A output and is set and clear according to the PSC operation.
• Bit 1 – POEN0B: PSC Output 0B Enable
When this bit is clear, I/O pin affected to PSCOUT0B acts as a standard port.
When this bit is set, I/O pin affected to PSCOUT0B is connected to the PSC module 0 waveform
generator B output and is set and clear according to the PSC operation.
• Bit 0 – POEN0A: PSC Output 0A Enable
When this bit is clear, I/O pin affected to PSCOUT0A acts as a standard port.
When this bit is set, I/O pin affected to PSCOUT0A is connected to the PSC module 0 waveform
generator A output and is set and clear according to the PSC operation.
18.16.2
PSYNC – PSC Synchro Configuration
• Bit 7:6 – Res: Reserved
These bits are reserved and will always read as zero.
• Bit 5:4 – PSYNC2[1:0]: Synchronization Out for ADC Selection
Select the polarity and signal source for generating a signal which will be sent from module 2 to
the ADC for synchronization
• Bit 3:2 – PSYNC1[1:0]: Synchronization Out for ADC Selection
Select the polarity and signal source for generating a signal which will be sent from module 1 to
the ADC for synchronization
Bit
7
6
5
4
3
2
1
0
-
-
PSYNC21
PSYNC20
PSYNC11
PSYNC10
PSYNC01
PSYNC00
PSYNC
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Initial Value
0
0
0
0
0
0
0
0