YSS950 Datasheet, PDF (18/30 Pages) YAMAHA CORPORATION – DAP1 Digital Audio Processor

YSS950




































2) Output format
The normal mode timing is illustrated below. 32-bit data can be output via the two channels from SDO0,
SDO1, SDO2, SDO3, SDO4, SDO5, SDO6, and SDO7. (n) indicates the current frame input sample and (n
− 1) indicates the previous frame output sample.
1 frame (1/fs = 64 SDOBCKs)
SDOWCK SDOWCKP=0
SDOWCKP=1
SDOBCK SDOBCKP=0
32 SDOBCKs
32 SDOBCKs
SDO*


SDOBCKP=1
SDOTFMT=0b00
SDOBIT=0bxx
SDOTFMT=0b10
SDOBIT=0bxx
SDOTFMT=0b01
SDOBIT=0b00
SDOTFMT=0b01
SDOBIT=0b01
SDOTFMT=0b01
SDOBIT=0b10
SDOTFMT=0b01
SDOBIT=0b11
SDO*L(n)
SDO*R(n)
M
S
B
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12
LM
SS
BB
1 0 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 14 12
L
S
B
10
SDO*L(n)
SDO*R(n)
M
S
B
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13
L
S
B
2 1 0 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13
L
S
B
210
SDO*R(n-1)
SDO*L(n)
SDO*R(n)
LM
SS
BB
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 31 30 29 28
LM
SS
BB
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 31 30 29 28
17 16
SDO*R(n-1)
SDO*L(n)
SDO*R(n)
LM
SS
BB
13 12 11 10 9 8 7 6 5 4 3 2 1 0 31 30 29 28 27 26
LM
SS
BB
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 31 30 29 28 27 26
15 14
SDO*R(n-1)
SDO*L(n)
SDO*R(n)
LM
SS
BB
11 10 9 8 7 6 5 4 3 2 1 0 31 30 29 28 27 26 25 24
LM
SS
BB
13 12 11 10 9 8 7 6 5 4 3 2 1 0 31 30 29 28 27 26 25 24
13 12
SDO*R(n-1)
SDO*L(n)
SDO*R(n)
LM
SS
BB
7 6 5 4 3 2 1 0 31 30 29 28 27 26 25 24 23 22 21 20
LM
SS
BB
9 8 7 6 5 4 3 2 1 0 31 30 29 28 27 26 25 24 23 22 21 20
98
18