Figure 7-9 Essi Transmit Slot Mask Register A (Tsma) (Essi0 X:$Ffffb4, Essi1 X:$Ffffa4); Figure 7-10 Essi Transmit Slot Mask Register B (Tsmb) (Essi0 X:$Ffffb3, Essi1 X:$Ffffa3); Figure 7-11 Essi Receive Slot Mask Register A (Rsma) (Essi0 X:$Ffffb2, Essi1 X:$Ffffa2); Figure 7-12 Essi Receive Slot Mask Register B (Rsmb) (Essi0 X:$Ffffb1, Essi1 X:$Ffffa1) - Motorola DSP56305 User Manual

Enhanced Synchronous Serial Interface (ESSI)
ESSI Programming Model
11 10 9
TS11 TS10 TS9
23 22 21
Figure 7-9 ESSI Transmit Slot Mask Register A (TSMA) (ESSI0 X:$FFFFB4, ESSI1
11 10 9
TS27 TS26 TS25
23 22 21
Figure 7-10 ESSI Transmit Slot Mask Register B (TSMB) (ESSI0 X:$FFFFB3, ESSI1
11 10 9
RS11 RS10 RS9
23 22 21
Figure 7-11 ESSI Receive Slot Mask Register A (RSMA) (ESSI0 X:$FFFFB2, ESSI1
11 10 9
RS27 RS26 RS25
23 22 21
– Reserved bit - read as zero should be written with zero for future compatibility
Figure 7-12 ESSI Receive Slot Mask Register B (RSMB) (ESSI0 X:$FFFFB1, ESSI1
Note: The Transmit and Receive Slot Mask registers are each 24-bit, of which only
the lower 16 bits are significant, so TSMA/TSMB and RSMA/RSMB can
function as the bottom and top halves of a 32-bit register.
7-14
8 7 6
TS8 TS7 TS6
20 19 18
X:$FFFFA4)
8 7 6
TS24 TS23 TS22
20 19 18
X:$FFFFA3)
8 7 6
RS8 RS7 RS6
20 19 18
X:$FFFFA2)
8 7 6
RS24 RS23 RS22
20 19 18
X:$FFFFA1)
DSP56305 User's Manual
5 4 3
TS5 TS4 TS3
17 16 15
TS15
5 4 3
TS21 TS20 TS19
17 16 15
TS31
5 4 3
RS5 RS4 RS3
17 16 15
RS15
5 4 3
RS21 RS20 RS19
17 16 15
RS31
2 1 0
TS2 TS1 TS0
14 13 12
TS14 TS13 TS12
AA0860
2 1 0
TS18 TS17 TS16
14 13 12
TS30 TS29 TS28
AA0861
2 1 0
RS2 RS1 RS0
14 13 12
RS14 RS13 RS12
AA0862
2 1 0
RS18 RS17 RS16
14 13 12
RS30 RS29 RS28
AA0863
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