Marantz sr4500 Service Manual page 27

IC13 : LC89057W
LC89057W-VF4-E
RXOUT
1
RX0
2
RX1
3
RX2
4
Input
RX3
5
Selector
RX4
8
RX5/VI
9
RX6/UI
10
LPF
13
TMCK/PIO0
44
Modulation
TBCK/PIO1
45
or
TLRCK/PIO2
46
Parallel Port
TDATA/PIO3
47
TXO/PIOEN
48
LC89057W
No. Port name
1 RXOUT
2 RX0
3 RX1
4 RX2
5 RX3
6 DGND
7 DVDD
8 RX4
9 RX5/VI
10 RX6/UI
11 DVDD
12 DGND
13 LPF
14 AVDD
15 AGND
16 RMCK
17 RBCK
18 DGND
19 DVDD
20 RLRCK
21 RDATA
22 SBCK
23 SLRCK
24 SDIN
25 DGND
26 DVDD
27 XMCK
28 XOUT
29 XIN
30 DVDD
31 DGND
32 EMPHA/UO
33 AUDIO/VO
34 CKST
35 INT
36 RERR
37 DO
38 DI
39 CE
40 CL
41 XMODE
42 DGND
43 DVDD
44 TMCK/PIO0
45 TBCK/PIO1
46 TLRCK/PIO2
47 TDATA/PIO3
48 TXO/PIOEN
EMPHA/UO AUDIO /VO INT CL CE DI
32 33 35 40 39 38
Microcontroller
C bit , Ubit
I/F
Demodulation
Data
&
Selector
Lock detect
PLL
Clock
Selector
1/N
29 28 27 34
XIN XOUT XMCK CKST
I/O Description
O Data Output
I Digital data Input (TTL)
I Digital data Input (Coaxial)
I Digital data Input (TTL)
I Digital data Input (TTL)
Digital GND
Digital VDD
I Digital data Input (TTL)
I Digital data Input (TTL)
I Digital data Input (TTL)
Digital GND for PLL
Digital VDD for PLL
O Loop filter for PLL
Analog VDD for PLL
Analog GND for PLL
O System clock Output for R (256fs, 512fs, XIN, VCO)
O/I Bit clock Output for R (64fs)
Digital GND
Digital VDD
O/I LR clock Input/Output for R
O Serial Audio data Input
O Bit clock Output for S (32fs, 64fs, 128fs)
O LR clock Output for S (fs/2, fs, 2fs)
I Serial Audio data Input
Digital GND
Digital VDD
O Oscillation amplifier
O XOUT
I XIN or External clock Input (24.576MHz or 12.288MHz)
Digital VDD
Digital GND
I/O Emphasis Information / U data Output / Set for chip address
I/O Detected non-PCM / V flag Output / Set for chip address
I/O Clock timing Output / Switch to master or slave for demodulation
I/O Interrupt Output / Switch to Modulation or general-purpose I/O
O Error Output (PLL lock, data error)
O IF, Read out data Output
I IF, Write data Input
I IF, Chip enable Input
I IF, Clock Input
I System reset Input
Digital GND
Digital VDD
I/O 256fs system-clock Input for modulation / General-purpose I/O input/output
I/O 64fs bit-clock Input for modulation / General-purpose I/O input/output
I/O Fs clock Input for modulation / General-purpose I/O input/output
I/O Serial audio data for modulation / General-purpose I/O input/output
O/I Modulation data Output / General-purpose I/O enable input
XMODE
41
36
DO
37
DO
37
RERR
36
DI
38
CE 39
RDATA
21
CL 40
XMODE
41
SDIN DGND
24 42
DVDD
43
RMCK
16
TMCK/PIO0
44
RBCK
17
RLRCK TBCK/PIO1
20 45
SBCK
22
TLRCK/PIO2
46
SLRCK
23
TDATA/PIO3 47
TXO/PIOEN 48
1
39
35 34 33 32 31 30 29 28 27 26
LC89057W-VF4-E
2 3 4 5 6 7 8 9 10 11
* * * *
* *
25
SDIN
24
SLRCK
23
22 SBCK
21 RDATA
RLRCK
20
DVDD
19
DGND
18
RBCK
17
RMCK
16
AGND
15
14 AVDD
13 LPF
12