Intel 8XC196MD, 8XC196MH, 8XC196MC manual End-Of-PTS Interrupt Save Critical Data Is PTS

Models: 8XC196MD 8XC196MH 8XC196MC

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8XC196MC, MD, MH USER’S MANUAL

End-Of-PTS Interrupt

Save Critical Data

 

 

 

 

 

 

 

Is PTS

N

Cycle Completed?

 

 

Y

 

 

 

 

 

 

Disable EPA Channel

Clear Interrupt Request Bit

T_COUNT = T_COUNT - 1

T_COUNT = 0?

N

Set-up next data transfer

Y

-Load next data byte into DATA register

-Reload PTSCOUNT and PTSCON1 registers

-Create start bit (clear TXD)

-Select PTS service for EPA channel

-Re-initialize the EPA channel

-Re-initialize the EPA timer to initiate first bit transfer

Load Critical Data

Return

TXDDONE = 1

A3276-01

Figure 5-26. Asynchronous SIO Transmit Mode — End-of-PTS Interrupt Routine Flowchart

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Page 141
Image 141
Intel 8XC196MD, 8XC196MH, 8XC196MC manual End-Of-PTS Interrupt Save Critical Data Is PTS