at75c220 ATMEL Corporation, at75c220 Datasheet - Page 111

• Manufacturer Part Number: at75c220
• Description: Smart Internet Appliance Processor Siap
• Manufacturer: ATMEL Corporation

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ETRGEDG
0
0
1
1
ETRGEDG: External Trigger Edge Selection
0
0
1
1
ABETRG: TIOA or TIOB External Trigger Selection
CPCTRG: RC Compare Trigger Enable
WAVE
LDRA: RA Loading Selection
0
0
1
1
LDRB: RB Loading Selection
0 = TIOB is used as an external trigger.
1 = TIOA is used as an external trigger.
0 = RC Compare has no effect on the counter and its clock.
1 = RC Compare resets the counter and starts the counter clock.
0 = Capture mode is enabled.
1 = Capture mode is disabled (waveform mode is enabled).
LDRB
LDRA
0
1
0
1
0
1
0
1
0
1
0
1
Edge
None
Rising edge of TIOA
Falling edge of TIOA
Each edge of TIOA
Edge
None
Rising edge of TIOA
Falling edge of TIOA
Each edge of TIOA
None
Rising edge
Falling edge
Each edge
Edge
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