Yamaha DVX-1000 Service Manual page 36

IC4: LC89057W-VF4AD-E (DSP (1) P.C.B.)
Digital Audio Interface Transceiver
RXOUT
RX0
RX1
RX2
RX3
RX4
RX5/VI
RX6/UI
LPF
TMCK/PIO0
TBCK/PIO1
TLRCK/PIO2
TDATA/PIO3
TXO/PIOEN
36
NX-SW1000
DO 37
DI 38
CE 39
CL 40
XMODE 41
DGND 42
DVDD 43
TMCK/PIO0 44
TBCK/PIO1 45
TLRCK/PIO2 46
TDATA/PIO3 47
TXO/PIOE 48
32
1
2
Cbit, Ubit
3
4
Input
5
Selector
8
9
10
PLL
13
44
Modulation
45
&
46
Parallel Port
47
48
29
24 SDIN
23 SLRCK
22 SBCK
21 RDATA
20 RLRCK
19 DVDD
18 DGND
17 RBCK
16 RMCK
15 AGND
14 AVDD
13 LPF
*: Pull-down resistor internal
33 35 40 39 38
Microcontroller
I/F
Demodulation
Data
&
Selector
Lock Detect
Clock
Selector
1/N
28 27 34
41
DO
37
36 RERR
21 RDATA
24 SDIN
16 RMCK
RBCK
17
20 RLRCK
SBCK
22
23 SLRCK