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Application:
SSI
SSI STATUS REGISTER (SSISR)
SSI0 ADDRESS $FFF0 Read Only
SSI1 ADDRESS $FFF8 Read Only
Reset = $00
C - 38
DSP56156 SSI Programming Sheet
Serial Input Flags
IF1 = SC1x
Transmit Frame Sync
0 = ∏ Sync Inactive1 = ∏ Sync Active
Receive Frame Sync
0 = ∏ Wait
1 = ∏ Read RX
Transmitter Underrun Error
0 = ∏ OK
1 = ∏ Error
Receiver Overrun Error
0 = ∏ OK
1 = ∏ Error
Transmit Data Register Empty
0 = ∏ Wait
1 = ∏ Write
Receive Data Register Full
0 = ∏ Wait
1 = ∏ Read
Figure C-41 SSI Status Register (SSISR)
PROGRAMMING SHEETS
Date:
Programmer:
IF0 = SC0x
7
RDF TDE ROE TUE RFS
Sheet 5 of 5
6
5
4
3
2
1
TFS
IF1
MOTOROLA
0
IF0
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