Yamaha DSP-AX1600 Service Manual page 65

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IC301: M30845FJGP (FUNCTION P.C.B)
16-bit Microprocessor
No.
Port Name
Terminal Name
105
P14/D12
SPC
106
P13/D11
TRG1
107
P12/D10
TRG2
108
P11/D9
109
P10/D8
VPOWER
110
P07/AN07/D7
VMT
111
P06/AN06/D6
VBOOT
112
P05/AN05/D5
232PWR
113
P04/AN04/D4
BTSEL
114
P114
RDATA
115
P113
RLCK
116
P112/ISRXD1
PLLR
117
P111/ISCLK1
TUCK
118
P110/ISTXD1
TUDA
119
P03/AN03/D3
CKZEV
120
P02/AN02/D2
DTZEV
121
P01/AN01/D1
/ICZEV
122
P00/AN00/D0
/CEZEV1
123
AN157/P157
/CEZEV2
124
AN156/P156
REC
125
AN155/P155
KEY0
126
AN154/P154
KEY1
127
AN153/P153
/OSDCE
128
AN152/P152/ISRXD0
RDS
129
AN151/P151/ISCLK0
SCKN
130
Vss
Vss
131
AN150/P150/ISTXD0
SDTN
132
Vcc
Vcc
133
P107/AN7
DEST
134
P106/AN6
MODEL
135
P105/AN5
THM1
136
P104/AN4
THM2
137
P103/AN3
PRD
138
P102/AN2
PRV
139
P101/AN1
PRVS
140
Avss
AVSS
141
P100/AN0
PLMT
142
Vref
VREF
143
Avcc
AVCC
144
RXD4
RXDH
Key Input (A-D) Pull-Up Resistance 10 k-ohms
Ohm
0
+1.2k
V
~ 0.26
~ 0.75
TONE
STRAIGHT
KEY0
CONTROL
EFFECT
ZONE
KEY1
A/B/C/D/E
CONTROL
I/O
PowerOn
Standby MCUSleep [AC OFF]
O
O
O [O]
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
AD
O
O
AD
O
I [O]
AD
O
I [O]
O
O
O
I
O
O
O
O
O
MCU
MCU
MCU
O
O
O
MCU
MCU
MCU
AD
O
I [O]
AD
O
I [O]
AD
O
I [O]
AD
O
I [O]
AD
O
O
AD
O
O
AD
O
O
MCU
MCU
MCU
AD
O
O
MCU
MCU
MCU
MCU
MCU
MCU
SI
O
O
+1.2k
+1.8k
+2.7k
~ 1.22
~ 1.76
~ 2.28
TUNING
MEMORY
FM/AM
MODE
AUDIO
SPEAKERS SPEAKERS
SELECT
A
B
Function
+5SPC Power supply ON/OFF control. (L=ON/H=OFF: Standby power
requirement reduction sake) / Usually, Low fixes is standby power
requirement reduction (MCUSleep) by making it HI, after the processing
accompanying standby is completed. (An extended port and extended
A/D do not operate at the time of HI.) / The time of AC IN and MCUSleep,
please hold HighFix until there is a Power On input.
DC TRIGGER output 1
DC TRIGGER output 2
VIDEO power supply control / At the time of Pure Direct is Low (VIDEO OFF)
Video output MUTE / Power ON/OFF / At the time PureDirect ON/
OFF, this port is logic reversed in ON * Tr.
VIDEO_CPU boot enable
232C driver ON/OFF control
VIDEO_CPU boot mode select
Recout SW1 control (ROHM) data / Clock speed: 20us, MSBF
Recout SW1 control (ROHM) clock
PLL reception for TUNER / Reception clock 20us / LSB first
PLL clock output for TUNER
PLL data output for TUNER / Transmitting clock 4us / LSB first
EVOL serial transmitting clock for ZONE
EVOL serial transmitting data for ZONE / Clock speed: 1M, MSB first
EVOL1 Reset for ZONE
EVOL1 CE for ZONE
EVOL2 CE for ZONE
AD REC OUT SEL taking in
Key0 AD value taking in
Key1 AD value taking in
OSD CE
RDS RxD
NONE AUDIO clock output (FL/RDS/OSD) / FL: 2us clock, MSBF
RDS: 20us clock, LSBF
NONE AUDIO data output (FL/RDS/OSD)
Model distinction is based on AD value. / Waiting for after [AD input port
setup] 1msec is carried out at the time of AD taking in at the time of Power On.
Model distinction is based on AD value. / Waiting for after [AD input port
setup] 1msec is carried out at the time of AD taking in at the time of Power On.
AD temperature detection detection 1
AD temperature detection detection 2
Power amplifier DC protection detection
Power supply protection detection 1
Power supply protection detection 2 (Power supply turned off by Pure Direct)
AD Power Limiter detection
Data reception from VIDEO_CPU
+3.3k
+4.7k
+8.2k
~ 2.75
~ 3.24
~ 3.75
PRESET/TUNING PRESET/TUNING PRESET/TUNING
EDIT
>
<
PURE
DIRECT
RX-V1600/DSP-AX1600
65

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