68
STR-DA1000ES/DB790
Pin No.
Pin Name
I/O Description
45
MENU
ENCODER B
I
Jog dial pulse input from the rotary encoder (B phase input) (for MENU)
46 FUN LAT SW
O
Serial data latch pulse signal selection signal output terminal
“L”: for electrical volume, “H”: for function switch
47 LIMITTER
O
Output voltage control signal output terminal
48 STOP
I
AC off detection signal input terminal
49, 50 MD0, MD1
O
Setting terminal for the CPU operation mode Fixed at “H” in this set
51 MD2
O
Setting terminal for the CPU operation mode Fixed at “L” in this set
52 RDS CLOCK
I
RDS interrupt clock signal input from the tuner unit (STR-DB790: AEP and UK models only)
53
RDS DATA
I
RDS serial data input from the tuner unit (STR-DB790: AEP and UK models only)
54 SIRCS
I
Sircs signal input terminal
55 HP DETECT
I
Headphone detection signal input terminal “H”: headphone is connected
56 POWER KEY
I
I/1 key input terminal “L”: power on
57 to 60 SW4 to SW1
O
Video selection signal output terminal
61 DIN
O
Serial data output to the fluorescent indicator tube driver
62 CLK
O
Serial data transfer clock signal output to the fluorescent indicator tube driver
63 FL STB
O
Strobe signal output to the fluorescent indicator tube driver
64 A1 OUT
O
Sircs signal output for CONTROL A1 II
65 A1 IN
I
Sircs signal input for CONTROL A1 II
66
POWER RELAY O
Relay drive signal output terminal (for main power) “H”: relay on
67 PROTECTOR
I
Protect detection signal input from the protect circuit
68
HEADPHONE
RELAY
O
Relay drive signal output terminal (for headphone) “H”: relay on
69
GROUPING SW
O
Data selection signal output terminal
70
REAR RELAY
O
Relay drive signal output terminal (for surround speaker) “H”: relay on
71
SW RELAY
O
Relay drive signal output terminal (for sub woofer) “H”: relay on
72
FRONT RELAY
O
Relay drive signal output (for front A speaker) “H”: relay on
73
TUNED
I
Tuned detection signal input from the tuner unit
74 STEREO
I
FM stereo detection signal input from the tuner unit
75
MUTE
O
Muting request control signal output to the tuner unit
76 DO
I
Serial data input from the tuner unit
77 RSTX
I
System reset signal input from the reset signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
78 SLATCH
O
Serial data latch pulse signal output to the tuner unit
79 X1A
O
Sub system clock output terminal Not used
80 X0A
I
Sub system clock input terminal Not used
81 VSS
—
Ground terminal
82 X0
I
Main system clock input terminal (16 MHz)
83 X1
O
Main system clock output terminal (16 MHz)
84 VCC3
—
Power supply terminal (+3.3V)
85 FUNC (B)
I
Jog dial pulse input from the rotary encoder (B phase input) (for INPUT SELECTOR)
86 FUNC (A)
I
Jog dial pulse input from the rotary encoder (A phase input) (for INPUT SELECTOR)
87
+/– ENCODER A
I
Jog dial pulse input from the rotary encoder (A phase input) (for –/+)
88
+/– ENCODER B
I
Jog dial pulse input from the rotary encoder (B phase input) (for –/+)
89
VOL ENCODER A I
Jog dial pulse input from the rotary encoder (A phase input) (for MASTER VOLUME)
90
VOL ENCODER B I
Jog dial pulse input from the rotary encoder (B phase input) (for MASTER VOLUME)
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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