Yamaha SB168-ES Service Manual Download

Page: 25 / 154

SB168-ES

PIN
NO.

I/O

FUNCTION

NAME

PIN
NO.

I/O

FUNCTION

NAME

1
2

3
4
5
6
7
8
9

13
14
15
16
17
18
19

20
21
22

DAUX

HDLT

DOUT

VFL

OPT

SYNC

MCC

MCB
MCA

SKSY

P256

LOCKN

Vss

TST2
DIM1
DIM0

DOM1
DOM0

KM1

O
O
O
O
O
O
O
O

I
I

O
O
O

I
I

I
I
I

Audio data auxiliary input
Asynchronous buffer operation flag output

Audio data output
Validity flag output
Synchronous signal output (fs) for DAC
Synchronous signal output (fs) for DSP
Bit clock output (64fs)
Word clock output (fs)
Bit clock output (128fs)
Bit clock output (256fs)
Clock synchronous control input
Crystal oscillator connection or external
clock input (256fs)
Crystal oscillator connection
VCO clock output (256fs when locked)
PLL lock flag output
Ground (for logic block)
LSI test terminal (usually disconnected)
Data input mode select 1
Data input mode select 0

Data output mode select 1
Data output mode select 0
Clock mode select 1

23
24

25
26
27
28
29
30
31
32
33
34

35
36
37
38
39
40
41

42
43
44

RSTN

Vdda

CTLN

PCO
(NC)

CTLP

Vssa

TSTN

KM2
KM0

FS1
FS0

CSM

EXTW

DDIN

Vdd

ERR
EMP

CD0

CCK

CLD

I
I
I

O
O

I
I
I

O
O

I
I

System reset input
+5V power supply (for VCO block, connected with
VDD externally)
VCO control input
PLL phase comparator output

VCO adjastment input (usually connected with VSSA)
Ground (for VCO block, connected with VSS externally)
LSI test terminal (usually disconnected)
Clock mode select 2
Clock mode select 0
Sampling frequency code output 1/channel status output
Sampling frequency code output 0/user data output

Channel status, user data output select
audio data auxiliary input word clock
EIAJ (AES/EBU) digital audio interface signal input
PLL word clock output (fs when locked)
+5V power supply (for logic block)
Data error flag output
Emphasis control code output/block start
synchronous signal output
Microprocessor interface data output
Microprocessor interface clock input
Microprocessor interface load input

YM3436D-VZ

(XG948F00)

DIR2

(Digital Format Interface Receiver)

DM: IC207

PIN
NO.

I/O

FUNCTION

NAME

PIN
NO.

I/O

FUNCTION

NAME

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

BGRES

RXV

DD25

RX+

RX-

RXGND

TXGND

TX+

TX-

TXV

DD25

SD7
SD6
SD5
SD4
SD3

GND

SD2
SD1
SD0

EEDIO

EECK
EECS

SD15

SD14

I/O

I/O
I/O

-
-

I/O
I/O

I/O
I/O
I/O
I/O
I/O

I/O
I/O
I/O
I/O

O
O

I/O

Bandgap pin
Power 2.5 V

TP RX input

RX ground
TX ground

TP TX output

Power 2.5 V

Processor data bus

Digital ground

Processor data bus

IO data to EEPROM
Clock to EEPROM
Chip select to EEPROM
Processor data bus
Digital power 3.3 V
Processor data bus

25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

SD13
SD12
SD11
SD10

SD9

SD8

CMD
GND

INT

IOR

IOW

LED2
LED1

PWRST

TEST

X2
X1

GND

RXGND
BGGND

I/O
I/O
I/O
I/O
I/O

I/O

I
-

I
I
I

O
O

I
I
-

I
-
I
-
-

Processor data bus

Digital power 3.3 V
Processor data bus
Command type
Digital ground
Interrupt request
Processor read command
Processor write command
Chip select
Link/Active LED
Speed LED
Power on reset
Operation mode
Digital power 3.3 V
Crystal 25 MHz out
Crystal 25 MHz in
Digital ground
Fiber-optic signal detect
RX ground
Bandgap ground