Yamaha CRX-140 Service Manual page 51

Function
Pin
Port Name Name
No.
(P.C.B.)
1 P96/ANEX1/SOUT4 TUaFL_MOSI
2 P95/ANEX0/CLK4 TUaFL_SCK
3 P94/DA1/TB4in
nAW_RST
4 P93/DA0/TB3in
AW_RSV
5 P92/TB2in/SOUT3 (reserved)
RDS_MISO
6 P91/TB1in/SIN3
RDS_SCK
7 P90/TB0in/CLK3
8 BYTE BYTE
9 CNVss CNVss
10 P87/Xcin Xcin
11 P86/Xcout Xcout
12 /RESET nSYS_RST
13 Xout Xout
14 Vss Vss
15 Xin Xin
16 Vcc1 Vcc
17 P85/NMI NMI
nIPD_DET
18 P84/INT2
/nAW_CASEIN
IPAP_DET
19 P83/INT1
/AW_ON
20 P82/INT0 PWR_DET
P81/TA4in/U/CTS5/
21
RTS5 nAW_CS
P80/TA4out/U/RXD5/ IPD_MISO
22
SCL5
IPD_ACC_EN
23 P77/TA3in/CLK5
/AW_CLK
P76/TA3out/TXD5/ IPD_MOSI
24
SDA5
25 P75/TA2in/W nAMP_PRT
AW_REGON
26 P74/TA2out/W
P73/CTS2/RTS2/
27 nAMP_SLEEP
TA1in/V
28 P72/CLK2/TA1out/V FL_CLOCK
P71/RXD2/SCL2/
29 DAB_SCL
TA0in/TB5in
I/O
SPI O O SPI for FL control/TUNER control
SPI O O SPI for FL control/TUNER control
O O O Unused / Buffer executed before uCOM input
Reset signal of AW module / Buffer executed before uCOM input
O O O 0: AW module resetting
1: AW module resetting cancelled
O O O Unused
IO I I For future expansion of AW card
SPI O O Unused / Reason: Setting is forced to SOUT terminal of SPI3 (for RDS)
SPI I I
O O O
SPI O O
O O O
MCU MCU MCU
MCU MCU MCU
MCU MCU MCU
MCU MCU MCU
MCU MCU MCU
MCU MCU MCU
MCU MCU MCU
MCU MCU MCU
MCU MCU MCU
MCU MCU MCU
Detection of inserted iPod
IRQ IRQ IRQ 0: iPod inserted
1: iPod not inserted
Detection of inserted transmitter
IRQ IRQ IRQ 0: Transmitter inserted
1: Transmitter not inserted
Detection of iPod accessory power / Buffer executed before uCOM input
I I I 0: iPod accessory power tuned off
1: iPod accessory power turned on
AWON signal of AW module / Buffer executed before uCOM input
I I I 0: AW module not usable
1: AW module usable (initialization completed)
Detection of connected AC outlet
IRQ IRQ IRQ 0: AC outlet disconnected
1: AC outlet connected
O O O Unused
O O O nCS signal of SPI for AW module / Applicable SPI is UART5.
UART I I UART for iPod / Buffer executed before uCOM input
SPI I I SPI for AirWired / Buffer executed before uCOM input
Low when in Standby mode and AC OFF
O O O
Always Hi when in normal mode (communicable with iPod)
SPI O O
UART O O UART for iPod
SPI O O SPI for AirWired
D-AMNP protection interrupt / Interrupt masked while in Standby/Sleep mode
IRQ IRQ IRQ 0: D-AMP protection interrupt
1: Operating in normal mode
O O O
ON/OFF control of regulator for AirWired power supply
O O O 0: +3.3V power for AirWired turned off
1: +3.3V power for AirWired turned on
SLEEP control signal of D-AMP
O O O 0: D-AMP Sleep
1: D-AMP Active
TMR O O xxkHz output
I2C I I
CRX-040/CRX-140/NS-BP80
Detail of Function
U, T, K, A, B, L, V, J models
U, T, K, A, B, L, V, J models
CRX-040
CRX-140
CRX-040
CRX-140
G model
G model
CRX-040
CRX-140
CRX-040
CRX-140
CRX-040
CRX-140
CRX-040
CRX-140
CRX-040
CRX-140
CRX-040
CRX-140
CRX-040
CRX-140
B model
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