Yamaha PX10 Service Manual page 20

PX10/PX8/PX5/PX3
YSS952-QZE2A (YE441A00) DSP (SPR-2) (Digital Signal Processor)
PIN
NAME I/O
NO.
1 GPIO5 I/O
2 GPIO4 I/O
3 GPIO3 I/O
4 -
DVSS
5 I
GPIO2
6 I
GPIO1
7 I
GPIO0
8 -
PLLVDD
9 I
IC_N
10 PLLVSS -
11 PLLVSS -
12 XIN I
13 XOUT O
14 -
IOVDD
15 I
SCL
16 I/O
SDA
YDA177-VZ (YF978A00) DIGITAL POWER AMPLIFIER
PIN
NAME I/O
NO.
1 DVSS -
2 XTALVSS -
3 XO O
4 Is
XI
5 -
XTALGND
6 I
CLKINS
7 I
FSSELA0
8 I
FSSELA1
9 I
FSSELB0
10 FSSELB1 I
11 ADDRESS0 I
12 ADDRESS1 I
13 ZERODET I
14 I
TEST
15 I
MSSEL
16 -
DGND
17 O
CLKOUT
18 I
CLKINB
19 -
DVSS
20 DVSS -
21 SDA Is/OD
22 SCL Is
23 MUTEIA_N AI
24 AI
MUTEIB_N
25 OD
PROTA_N
26 OD
PROTB_N
27 OD
CLIPA_N
28 OD
CLIPB_N
29 -
IOVDD33
30 CURLB AI
31 CURHB AI
32 AMPTEMPB AI
33 AI
VSENSEB
34 AI
ISENSEB
35 AI
VINTB
36 AI
IINTB
37 -
AVDDB
38 AI
AINB
39 AO
VOUTB
40 VGNDB -
41 AVSSB -
42 INPB AI
43 AI
INMB
44 -
AGNDB
20
FUNCTION
General-purpose I/O pins
GND
General-purpose I/O pins
PLL power supply
Hardware reset pin
PLL GND
Clock input pin
Clock output pin
Control interface power supply
2
I C control bus clock input pin
I 2 C control bus data I/O pin
FUNCTION
Digital block power supply DVSS(-5V)
XTAL power supply DVSS(-5V)
XTAL output
XTAL input
GND for XTAL
System clock for slave mode
A channel carrier clock switching pin
B channel carrier clock switching pin
I2C slave address setting
Zero crossing sensing function enable / disable setting
Test mode setting terminal (Internal specification)
Device master / slave setting pin
Digital block power supply GND (0V)
Clock output
Clock input for B channel
Digital block power supply P(-5V)
I2C data
I2C clock
A channel mute external control terminal
B channel mute external control terminal
A channel protection signal
B channel protection signal
A channel clip sensing flag signal
B channel clip sensing flag signal
External I2C host device power sensing P (3.3V)
B channel Low-side OCP sensing signal
B channel Hi-side OCP sensing signal
B channel heatsink temperature sensing terminal (thermistor)
B channel Output voltage sensing pin
B channel output current sensing pin
B channel Integral capacity connection for voltage monitor
B channel Integral capacity connection for current monitor
B channel Analog block power supply AVDD(+5V)
B channel input terminal
B channel electronic volume output terminal
power supply for B channel electronic volume GND(0V)
B channel analog block power supply AVSS(-5V)
B channel power amplifier input + terminal
B channel power amplifier input - terminal
B channel analog block power supply GND(0V)
PIN
NAME I/O
NO.
17 OPEN - Leave this pin open
18 DVSS - GND
19 IRQ_N O Interrupt request output pin to the host controller
20 DVDD18 - Core power supply
21 GPIO11 I/O General-purpose I/O pins
22 TESTb I Test pin
23 DVSS - GND
24 OPEN - Leave this pin open
25 DVSS - GND
26 GPIO10 I/O
27 GPIO9 I/O General-purpose I/O pins
28 GPIO8 I/O
29 IOVDD - Control interface power supply
30 GPI07 I/O General-purpose I/O pins
31 DVDD18 - Core power supply
32 GPI06 I/O General-purpose I/O pins
PIN
NAME I/O
NO.
45 OFFTB AI (*1 connect to GNDB through a 0Ω resistor.)
(Capacitor :No Mount)
46 LFB AI B channel Loop Filter capacitor connection terminal
47 MUTEB_N O B channel driver IC mute control terminal
48 OUTB O B channel PWM output terminal
(Hi/Low by control for Hi-side signal)
49 OUTBX O B channel PWM output terminal
(Hi/Low by control for LoW-side signal)
50 VREF AO Analog intermediate voltage (AVSS/2)
51 MBMNT AI The final stage for the power supply (-200V) partial pressure signal
52 OUTAX O A channel PWM output terminal
(Hi/Low by control for LoW-side signal)
53 OUTA O A channel PWM output terminal
(Hi/Low by control for Hi-side signal)
54 MUTEA_N O A channel driver IC mute control terminal
55 LFA AI A channel Loop Filter capacitor connection terminal
56 OFFTA AI (*1 connect to GNDA through a 0Ω resistor.)
(Capacitor :No Mount)
57 AGNDA - A channel Analog block power supply GND(0V)
58 INMA AI A channel power amplifier input + terminal
59 INPA AI A channel power amplifier input - terminal
60 AVSSA - A channel analog block power supply AVSS(-5V)
61 VGNDA - A channel electronic volume connection terminal GND(0V)
62 VOUTA AO A channel electronic volume connection terminal
63 AINA AI A channel input terminal
64 AVDDA - A channel analog block power supply AVDD(+5V)
65 PBMNT AI The final stage for the power supply (+200V) partial pressure signal
66 IINTA AI A channel Integral capacity for current monitor
67 VINTA AI A channel Integral capacity connection for voltage monitor
68 ISENSEA AI Output current sensing pin
69 VSENSEA AI Output voltage sensing pin
70 AMPENBL I Start up timer terminal
71 AMPTEMPA AI A channel heatsink temperature sensing terminal (thermistor)
72 CURHA AI A channel Hi-side OCP sensing signal
73 CURLA AI A channel Low-side OCP sensing signal
74 PSTEMP AI Primary power source temperature (POSISTOR signal)
75 VOLA AI A channel volume terminal
76 VOLB AI B channel volume terminal
77 DGND - Digital block power supply GND(0V)
78 RECOV I Automatic return function enable / disable setting
79 PLENBL I POWER LIMIT function enable / disable setting
80 PARAMSET I Parameter input switching pin
AUDIO: IC410
FUNCTION
AUDIO: IC601
FUNCTION