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Control Registers and Control Packets

20.3.1.24 Port Assignment Register 3 (PAR3)

Figure 20-42. Port Assignment Register 3 (PAR3) [offset = a0h]

31 30 28 27 26 24 23 22 20 19 18 16

Rsvd CH24PA Rsvd CH25PA Rsvd CH26PA Rsvd CH27PA

R-0 R/WP-0 R-0 R/WP-0 R-0 R/WP-0 R-0 R/WP-0

15 14 12 11 10 8 7 6 4 3 2 0

Rsvd CH28PA Rsvd CH29PA Rsvd CH30PA Rsvd CH31PA

R-0 R/WP-0 R-0 R/WP-0 R-0 R/WP-0 R-0 R/WP-0

LEGEND: R/W = Read/Write; R = Read only; WP = Write in privilege mode only; -n = value after reset

Table 20-30. Port Assignment Register 3 (PAR3) Field Descriptions

Bit Field Value Description

31 Reserved 0 Read returns 0. Writes have no effect.

30-28 CH24PA These bit fields determine to which port channel 24 is assigned.

1h Port A and B combined, A read/B write

2h Port A only

3h Port B only

Others Port A and B combined, B read/A write

27 Reserved 0 Read returns 0. Writes have no effect.

26-24 CH25PA These bit fields determine to which port channel 25 is assigned. Refer CH24PA for description.

23 Reserved 0 Read returns 0. Writes have no effect.

22-20 CH26PA These bit fields determine to which port channel 26 is assigned. Refer CH24PA for description.

19 Reserved 0 Read returns 0. Writes have no effect.

18-16 CH27PA These bit fields determine to which port channel 27 is assigned. Refer CH24PA for description.

15 Reserved 0 Read returns 0. Writes have no effect.

14-12 CH28PA These bit fields determine to which port channel 28 is assigned. Refer CH24PA for description.

11 Reserved 0 Read returns 0. Writes have no effect.

10-8 CH29PA These bit fields determine to which port channel 29 is assigned. Refer CH24PA for description.

7 Reserved 0 Read returns 0. Writes have no effect.

6-4 CH30PA These bit fields determine to which port channel 30 is assigned. Refer CH24PA for description.

3 Reserved 0 Read returns 0. Writes have no effect.

2-0 CH31PA These bit fields determine to which port channel 31 is assigned. Refer CH24PA for description.

721

SPNU562–May 2014 Direct Memory Access Controller (DMA) Module

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