Yamaha AX-V1065, Service Manual

Page: 91 / 166

91
RX-V1
065/HTR-6280/
AX-V1
065
RX-V1065/HTR-6280/AX-V1065
JTAG port Clock
Mode controls
Voltage regulator
SPI port
Serial ports
UART port
Real-time clock
Pin
No.
Function Name I/O Detail of Function
94 TCK I JTAG clock
87 TDO O JTAG serial data out
86 TDI I JTAG serial data in
85 TMS I JTAG mode select
84 TRST I
JTAG reset (This pin is should be
pulled LOW if JTAG is not used.)
83 EMU O Emulation output
Pin
No.
Function Name I/O Detail of Function
55 MOSI I/O Master out slave in
54 MISO I/O
Master in slave out (This pin is should
be pulled HIGH throug a 4.7 k-ohms
resistor if booting via the SPI port.)
53 SCK I/O SPI clock
Pin
No.
Function Name I/O Detail of Function
76 RSCLK0 I/O SPORT0 receive serial clock
75 RFS0 I/O SPORT0 receive frame sync
74 DR0PRI I SPORT0 receive data primary
73 DR0SEC I SPORT0 receive data secondry
72 TSCLK0 I/O SPORT0 transmit serial clock
69 TFS0 I/O SPORT0 transmit frame sync
68 DT0PRI O SPORT0 transmit data primary
67 DT0SEC O SPORT0 transmit data secondary
65 RSCLK1 I/O SPORT1 receive serial clock
64 RFS1 I/O SPORT1 receive frame sync
63 DR1PRI I SPORT1 receive data primary
62 DR1SEC I SPORT1 receive data secondary
61 TSCLK1 I/O SPORT1 transmit serial clock
60 TFS1 I/O SPORT1 transmit frame sync
59 DT1PRI O SPORT1 transmit data primary
58 DT1SEC O SPORT1 transmit data secondary
Pin
No.
Function Name I/O Detail of Function
82 RX I UART receive
81 TX O UART transmit
Pin
No.
Function Name I/O Detail of Function
17 RTXI I
RTC crystal input (This pin should be
pulled LOW when not used.)
16 RTXO O RTC crystal output
Pin
No.
Function Name I/O Detail of Function
10 CLKIN I
Clock/Crystal input (This pin needs to
be at a level or clocking.)
11 XTAL O Crystal output
Pin
No.
Function Name I/O Detail of Function
13 RESET I
Reset (This pin is always active during
core power-on.)
14 NMI I
N o n m a s ka bl e i n te r r y p t ( T h i s p i n
s h o u l d b e p u l l e d LOW w h e n n o t
used.)
95 BMODE1
I
Boot mode strap (These pins must
be pulled to the state required for the
desired boot mode.)
96 BMODE0
Pin
No.
Function Name I/O Detail of Function
4 VROUT1
O Extarnal FET drive
5 VROUT0