Yamaha YSP-4100 Service Manual page 65

Pin Port
Control Interrupt Timer
No. Name
110 P07
111 P06
112 P05
113 P04
114 P114
115 P113
116 P112
117 P111
118 P110
119 P03
120 P02
121 P01
122 P00
123 P157
124 P156
125 P155
126 P154
127 P153
128 P152
129 P151
130 VSS
131 P150
132 VCC1
133 P107 KI3 RTP33
134 P106 KI2 RTP32
135 P105 KI1 RTP31
136 P104 KI0 RTP30
137 P103 RTP13
138 P102 RTP12
139 P101 RTP11
140 AVSS
141 P100 RTP10
142 VREF
143 AVCC
144 P97
Function
UART Analog I/O
Name
AW_N_
AN07 OUT
MUTE
AN06 SYS_ON OUT
STBY_
AN05 OUT
LED
AN04 PS5_PRT A-D IN
AW_N_
OUT
IC2
MIC_N_
IN
DET
OUT
FLD_N_IC OUT
HDMI_
OUT
PON2
AN03 PS4_PRT A-D IN
AN02 AW_ON1 OUT
ADC_N_
AN01 OUT
PDWN
FLD_N_
AN00 OUT
CS
CTS6/
AN157 IN
RTS6
CLK6 AN156 AW_ON2 OUT
AW_N_
RxD6 AN155 OUT
IC1
PWMAMP_
TxD6 AN154 A-D IN
DCPRT
CTS5/
AN153 MODEL A-D IN
RTS5
E2P_
RxD5 AN152 S-IN
MISO
FL/OSD/
CLK5 AN151 S-CLK
E2P/SCK
Vss ---
FL/OSD/
TxD5 AN150 S-OUT
E2P/MOSI
Vcc ---
AN7 KEY1 A-D IN
AN6 KEY2 A-D IN
AN5 PS1_PRT A-D IN
AN4 PS2_PRT A-D IN
AN3 AW_CS1 OUT
AN2 AW_CS2 OUT
AN1 DEST A-D IN
Avss ---
AN0 PS3_PRT A-D IN
VREF ---
Avcc ---
RxD4/
SCL4/ ADTRG AW_MISO S-IN
STxD4
Detail of Function
Air-Wired (head phone /SWFR) mute
Subwoofer system connection ON/OFF
STANDBY LED OUT
PS protection detection 5
iPod accessory power detection
MIC detection
Sirius asynchronous data input
FL driver reset
HDMI power supply ON/OFF control (upstream: power supply circuit board side)
SIRIUS asynchronous data output
PS protection detect 4 Sirius Radio power supply ON/OFF control
Air-Wired 1 power supply control (Reception)
ADC power down
FL driver chip selection
Component Video aspect detection
Air-Wired 1 reset (reception) Vx65: Power amplifier output level detection
Model discriminating AD value
EEPROM synchronous data input
FL driver, OSD, IO expanding IC (Video), EEPROM synchronous clock output
GND
FL driver, OSD, IO expanding IC (Video), EEPROM synchronous data output
Power supply +3.3V
KEY AD value taken in 1
Key AD value taken in 2
PS protection detection 1
PS protection detection 2
Air-Wired 1 CS OUT (reception)
Destination discriminating AD value
Connect to Vss (GND)
PS protection detect 3 Dock discrimination
Type of connected dock is determined and operation is changed.
A- D, D-A reference voltage input
Connect to Vcc terminal (+3.3V)
Air-Wired (1,2) SPI data IN (iPod asynchronous data input)
* Pull down required to detect Air-Wired function
YSP-4100/YSP-5100
[L: MUTE]
[H: ON]
[L: MIC equipped]
Pulled-up by 100k-ohms
[H: ON, L: OFF]
[H: Power ON, L: Power OFF]
[H: ON]
[L: Power down]
[0 to VREF]
Add series 1k-ohms to FL driver
Add series 1k-ohms to FL driver
[0 to VREF]
[0 to VREF]
[0 to VREF]
[0 to VREF]
[0 to VREF]
[0 to VREF]
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