Rainbow Electronics W90N745CDG - Manual (Page 257)

W90N745CD/W90N745CDG
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AC-link input slot 1 (ACTL_ACIS1)
REGISTER ADDRESS R/W DESCRIPTION RESET VALUE
ACTL_ACIS1 0xFFF0_9040 R AC-link in slot 1 0x0000_0000
The ACTL_ACIS1 stores the shift in slot 1 data of AC-link.
BITS DESCRIPTIONS
[31:9] Reserved -
[8:2] R_INDEX[6:0]
Register index. The R_INDEX[6:0] echo the register index (address)
when a register read has been requested in the previous frame.
The R_INDEX[6:0] bits are read only
[1:0] SLOT_REQ[1:0]
Slot request. The bits indicate if the external codec need new PCM
data that will transfer in next frame.
Any bit in SLOT_REQ[1:0] is set to 1, indicate external codec does
not need a new sample in the corresponding slot[3:4] of the next
frame
Any SLOT_REQ[1:0] is clear to 0, indicate external codec need a
new sample in the corresponding slot[3:4] of the next frame
The SLOT_REQ[1:0] bits are read only
31 30 29 28 27 26 25 24
Reserved
23 22 21 20 19 18 17 16
Reserved
15 14 13 12 11 10 9 8
Reserved R_INDEX[6]
7 6 5 4 3 2 1 0
R_INDEX[5:0] SLOT_REQ[1:0]