![Yamaha A-S201 Скачать руководство пользователя страница 30](http://html.mh-extra.com/html/yamaha/a-s201/a-s201_service-manual_894702030.webp)
Pin
No.
Function
Name
I/O
Port Name
Related Power Supply
Detail of Function
OFF
ON
1 P140/PCLBUZ0/INTP6
HPRY
O
O
HP relay (HIGH = ON)
2 P120/ANI19
(Vacant)
Detection of HP insertion (LOW = inserted) (HP_N_DET spare)
3 P41/TI07/TO07
(Vacant)
4 P40/TOOL0
TOOL0
I
I
For E1 debugging
5 RESET
N_RST
I
I
For debugging
6 P124/XT2/EXCLKS
(Vacant)
I
I
7 P123/XT1
(Vacant)
I
I
8 P137/INTP0
REM
I
IRQ
IR light receiving unit
9 P122/X2/EXCLK
(Vacant)
I
I
Ceramic lock (X2 spare)
10 P121/X1
(Vacant)
I
I
Ceramic lock (X1 spare)
11 REGC
REGC
I
I
Regulator (Connected to VSS via capacitor)
12 VSS
VSS
I
I
GND
13 VDD
VDD
I
I
+5V power supply
14 P60/SCLA0
TU_SCL
I
I2C
-----
15 P61/SDAA0
TU_SDA
I
I2C
-----
16 P62
TU_N_RST
O
O
-----
17 P63
(Vacant)
O
O
18 P31/TI03/TO03/INTP4/(PCLBUZ0)
PRI
I
I
I protection detection
19 P77/KR7/INTP11/(TXD2)
GPIO2
I
IRQ
-----
20 P76/KR6/INTP10/(RXD2)
(Vacant)
O
O
21 P75/KR5/INTP9/SCK01/SCL01
EVOL_SCL
I
I2C
VOL IC
22 P74/KR4/INTP8/SI01/SDA01
EVOL_SDA
I
I2C
VOL IC
23 P73/KR3/SO01
FL_STB
O
O
FL driver
24 P72/KR2/SO21
FL_MOSI
O
SPI
FL driver
25 P71/KR1/SI21/SDA21
FL_MISO
O
SPI
FL driver (spare)
26 P70/KR0/SCK21/SCL21
FL_SCK
O
SPI
FL driver
27 P30/INTP3/RTC1HZ/SCK11/SCL11
PRY
O
O
Power relay control
28 P50/INTP1/SI11/SDA11
MPSW
I
IRQ
Main power SW (Tact SW)
29 P51/INTP2/SO11
PWR_DET
I
IRQ
Power detect (LOW = AC-OFF)
30 P17/TI02/TO02/(TXD0)
VOL_RA
I
I
Volume encoder clockwise
31 P16/TI01/TO01/INTP5/(RXD0)
VOL_RB
I
I
Volume encoder counterclockwise
32 P15/PCLBUZ1/SCK20/SCL20/(TI02)/(TO02)
PDRT_LED
O
O
PURE DIRECT Led (LOW = OFF)
33 P14/RxD2/SI20/SDA20/(SCLA0)/(TI03)/(TO03)
REC_N_MUTE
O
O
REC OUT mute (LOW = MUTE ON)
34 P13/TxD2/SO20/(SDAA0)/(TI04)/(TO04)
PRE_N_MUTE
O
O
PRE OUT mute (LOW = MUTE ON)
35 P12/SO00/TxD0/TOOLTxD/(TI05)/(TO05)
(Vacant)
O
O
Flash writing (TOOL TxD spare)
36 P11/SI00/RxD0/TOOLRxD/SDA00/(TI06)/(TO06) (Vacant)
O
O
Flash writing (TOOL RxD spare)
37 P10/SCK00/SCL00/(TI07)/(TO07)
PLED
O
O
Power LED (HIGH = ON)
38 P146
3.3S_PON
O
O
Power supply (VFD driver power supply)
39 P147/ANI18
MODEL
I
I
Model discrimination
40 P27/ANI7
KEY0
I
I
INPUT (
,
) / BASS (+, -) / TREBLE (+, -) / PURE DIRECT
41 P26/ANI6
KEY1
I
I
SPEAKERS (A, B)
42 P25/ANI5
PRD
I
I
DC protection detection (AMP DC / Voltage detection)
43 P24/ANI4
THM
I
I
Temperature protection detection (Thermal detection)
44 P23/ANI3
PRPS
I
I
PS protection detection (Power supply / Power voltage detection)
45 P22/ANI2
DEST
I
I
Destination discrimination
46 P21/ANI1/AVREFM
VREFM
I
I
Analog reference voltage minus
47 P20/ANI0/AVREFP
VREFP
I
I
Analog reference voltage plus
48 P130
SPBRY
O
O
Speaker B relay ON/OFF (HIGH = ON)
49 P03/ANI16/RxD1
DEB_RX
I
—
For debugging
50 P02/ANI17/TxD1
DEB_TX
O
—
For debugging
51 P01/TO00
DEB_LED
I/O
I/O
For debugging
52 P00/TI00
SPARY
O
O
Speaker A relay ON/OFF (HIGH = ON)
30
A-S201
A
-S20
1
Содержание A-S201
Страница 3: ... FRONT PANEL T model R model REAR PANELS 3 A S201 A S201 ...
Страница 4: ...B G models K model A model 4 A S201 A S201 ...
Страница 5: ...L model 5 A S201 A S201 ...
Страница 39: ...MAIN 5 Side B R model MAIN 6 Side B MAIN 7 Side B MAIN 8 Side B A B C D E F G H I J 1 2 3 4 5 6 7 A S201 39 ...
Страница 51: ...A S201 ...