Intel 8XC196MC Benutzerhandbuch

5-58

A3277-01

End-Of-PTS Interrupt

Save Critical Data

Set-up next data reception
- Clear DATA register
- Reload PTSCOUNT and PTSCON1 registers
- Select PTS service for EPA channel
- Re-initialize the EPA channel

Load Critical Data

Return

R_COUNT = R_COUNT - 1

Y

N

R_COUNT = 0?

Save Received Data

Disable EPA Channel

Y

Start Bit?

N

Clear Interrupt Request Bit

RXDDONE = 1

Y

Parity Error?

N

Y

Framing Error?

N

RXDDONE = 3

Start Bit Error?

N

Initialize

EPA Channel

Set Time To First

Bit Sample

Enable PTS Service

for EPA Channel

Y