Service manual

77
RX-V665/HTR-6260
RX-V665/HTR-6260
Pin
No.
Port Name
Function
Name
(P.C.B.)
I/O
Detail of Function
Power On
Stby Thrh
Standby
Stby Sleep
MCU Sleep
1
TXD4
P96/ANEX1/TXD4/
SDA4/SRXD4
IPD_MOSI SO O O O O Asynchronous data output for iPod
2 P95 SCPU_SCK O O O O O
3
P94
P94/DA1/TB4in/
CTS4/RTS4/SS4
SCPU_CTS SI I I O O Input for transmission control for SubCPU (clear to send)
4
DA0
P93/DA0/TB3in/
CTS3/RTS3/SS3
AMP_LMT DA I I I I Limiter control output
5
TXD3
P92/TB2in/TXD3/
SDA3/SRXD3/
OUTC20/IEout/
ISTXD2
XM_MOSI SO O O O O Asynchronous data output for XM (U model)
P92 O O O O O (C, R, A, F, L models)
6
RXD3
P91/TB1in/RXD3/
SCL3/STXD3/IEin/
ISRXD2
XM_MISO SI O O O O Asynchronous data input for XM (U model)
P91 O O O O O (C, R, A, F, L models)
7
P90
P90/TB0in/CLK3
XM_LINK I O O O O XM LINK detection (U model)
P90 O O O O O (C, R, A, F, L models)
8
INT8
P146/INT8
IPD_DET IRQ IRQ IRQ IRQ O
iPod detection
When inserting an iPod into the DOCK H
→
L
Restriction of port: INT is high edge or low edge only
9
P145
P145/INT7
DIR_N_INT IRQ O O O O
DIR interrupt
Restriction of port: INT is high edge or low edge only
10
P144
P144/INT6
DSP_N_INT IRQ O O O O
DA70Y interrupt
Restriction of port: INT is high edge or low edge only
11
P143
P143/INPC17/
OUTC17
XM_N_RST O O O O O XM reset (U model)
P143 O O O O O (C, R, A, F, L models)
12
P142
P142/INPC16/OUTC16
XM_REV I O O O O
XM antenna revision detection
H: An compatibility antenna
(U model)
P142 O O O O O (C, R, A, F, L models)
13
P141
P141/INPC15/
OUTC15
DIR_N_CS CS O O O O DIR chip select
14
P140
P140/INPC14/
OUTC14
DSP_N_RST O O O O O DA70Y reset
15
BYTE
BYTE
BYTE MCU MCU MCU MCU MCU
Switch of width of data bus input
When set to single chip mode: L (16 bit)
16
CNVss
CNVss
CNVss MCU MCU MCU MCU MCU
Processor mode select Low: single chip mode
High: To Flash included boot mode
To boot mode with hardware resetting of P50=H, P55=L, CNVss=H
17
P87
P87/Xcin
DSP_N_CS CS O O O O DA70Y chip select
18
P86
P86/Xcout
DAC_N_CS CS O O O O DAC chip select
19
/RESET
/RESET
/RESET MCU MCU MCU MCU MCU Reset
20
Xout
Xout
Xout MCU MCU MCU MCU MCU 20 MHz Ceramic resonator
21
Vss
Vss
Vss MCU MCU MCU MCU MCU GND
22
Xin
Xin
Xin MCU MCU MCU MCU MCU 20 MHz ceramic resonator
23
Vcc1
Vcc1
Vcc1 MCU MCU MCU MCU MCU Microprocessor power supply