Lsi Pin Description （Lsi端子機能表 - Yamaha PX10 Service Manual

PX10/PX8/PX5/PX3
LSI PIN DESCRIPTION（LSI 端子機能表）
AK4382AVT (X0661A00) DAC (Digital to Analog Converter) ............................................................... 18
LPC1820FBD144,551 (YF570B00) MCU (Microcontroller Unit) .......................................................... 19
NJW1194V(TE1) (X8355A00) 2-CHANNEL ELECTRONIC VOLUME ............................................... 18
PCM1804DBR (X6872A01) ADC (Analog to Digital Converter) ........................................................... 18
YDA177-VZ (YF978A00) DIGITAL POWER AMPLIFIER ....................................................................20
YSS952-QZE2A (YE441A00) DSP(SPR-2) (Digital Signal Processor) ................................................20
AK4382AVT (X0661A00) DAC (Digital to Analog Converter)
PIN
NAME I/O
NO.
1 MCLK I
2 BICK I
3 SDTI I
4 LRCK I
5 PDN I
6 CSN I
7 CCLK I
8 CDTI I
NJW1194V(TE1) (X8355A00) 2-CHANNEL ELECTRONIC VOLUME
PIN
NAME I/O
NO.
1 I Ach Input 1
InA1
2 I Ach Input 2
InA2
3 I Ach Input 3
InA3
4 InA4 I Ach Input 4
5 GND - Ground
6 DCCAP_A - Switching noise rejection capacitor (Ach)
7 - Ground
GND
8 O Ach Output
OutA
9 O Internal Digital Power Supply output
VDDOUT
10 I Control data signal input
DATA
11 I Clock signal input
CLOCK
12 I Latch signal input
LATCH
13 - Ground
GND
14 Tone_Tr1a - Ach Treble Filter Terminal 1
15 Tone_Ba1a - Ach Bass Filter Terminal 1
16 Tone_Ba2a - Ach Bass Filter Terminal 2
PCM1804DBR (X6872A01) ADC (Analog to Digital Converter)
PIN
NAME I/O
NO.
1 V L -
REF
2 AGNDL -
3 V L -
COM
4 V L+ I
IN
5 V L– I
IN
6 FMT0 I
7 FMT1 I
8 S/M I
9 OSR0 I
10 OSR1 I
11 OSR2 I
12 BYPAS I
13 DGND -
14 V -
DD
15 DATA/DSDR O
18
FUNCTION
Master Clock
Audio Serial Data Clock
Audio Serial Date Input
L/R Clock
Power Down mode
Chip Select
Control Data Input
Control Data Input
FUNCTION
FUNCTION
L-channel voltage reference output,
requires capacitors for decoupling to AGND
Analog ground for V L
REF
L-channel analog common-mode voltage (2.5 V)
L-channel analog input, positive pin
L-channel analog input, negative pin
Audio data format 0
Audio data format 1
Slave/master mode selection
Oversampling ratio 0
Oversampling ratio 1
Oversampling ratio 2
HPF bypass control
Digital ground
Digital power supply +3.3 V
L-channel and R-channel audio data output in PCM
mode / R-channel audio data output in DSD mode
PIN
NAME I/O
NO.
9 AOUTR- O Rch Analog out(-)
10 AOUTR+ O Rch Analog out(+)
11 AOUTL- O Lch Analog out(-)
12 AOUTL+ O Lch Analog out(+)
13 Vss - Ground
14 VDD - Power Supply
15 DZFR O Rch Data Zero Input Detect
16 DZFL O Lch Data Zero Input Detect
PIN
NAME I/O
NO.
17 Tone_Ba2b - Bch Bass Filter Terminal 2
18 Tone_Ba1b - Bch Bass Filter Terminal 1
19 Tone_Tr1b - Bch Treble Filter Terminal 1
20 GND - Ground
21 V - - Power Supply (-)
22 V + - Power Supply (+)
23 ADR0 I Chip address setting terminal 0
24 ADR1 I Chip address setting terminal 1
25 OutB O Bch Output
26 GND - Ground
27 DCCAP_B - Switching noise rejection capacitor (Bch)
28 GND - Ground
29 InB4 I Bch Input 4
30 InB3 I Bch Input 3
31 InB2 I Bch Input 2
32 InB1 I Bch Input 1
PIN
NAME I/O
NO.
16 BCK/DSDL I/O Bit clock input/output in PCM mode /
L-channel audio data output in DSD mode
17 LRCK/DSDBCK I/O Sampling clock input/output in PCM and
DSD modes
18 SCKI I System clock input
19 RST I Reset, power-down input, active-low
20 OVFR O Overflow signal of R-channel in PCM mode
21 OVFL O Overflow signal of L-channel in PCM mode
22 V - Analog power supply +5 V
CC
23 AGND - Analog ground
24 V R– I R-channel analog input, negative pin
IN
25 V R+ I R-channel analog input, positive pin
IN
26 V R - R-channel analog common-mode voltage (2.5 V)
COM
27 AGNDR - Analog ground for V
28 V R - R-channel voltage reference output,
REF
requires capacitors for decoupling to AGND
AUDIO: IC416
FUNCTION
AUDIO: IC422
FUNCTION
AUDIO : IC417
FUNCTION
R
REF