5
KIV-700/BT900
●
SYSTEM
μ
-COM: IC302 on X34- (ELECTRIC UNIT)
Pin No.
Pin Name
I/O
Application
Truth
Value Table
Processing / Operation / Description
1
WIRED PANEL REMO
I
Remote control signal input
Pulse width detection
2
RDS QUAL
I
RDS decoder quali
fi
cation input
3~5
NC
-
Not used
Output L
fi
xed
6
BYTE
-
7
CNVSS
-
8
XCIN
-
32.768kHz
9
XCOUT
-
32.768kHz
10
RESET
-
L: Reset
11
XOUT
-
12MHz
12
VSS
-
13
XIN
-
12MHz
14
VCC1
-
15
NC
-
Not used
Output L
fi
xed
16
RDS CLK
I
RDS clock input
17
AMUTE
O
Rear monitor-out audio (Mute control)
Momentary power-down: L, L: Mute ON
18
BU DET
I
Back-up detection
BU found: L, No BU or momentary
power-down or over-voltage: H
19
RDS DATA
I
RDS decoder data input
20
NC
-
Not used
Output L
fi
xed
21
SRC KEY
I
Source key input
H: OFF, L: ON
22
MENU KEY
I
Menu key input
H: OFF, L: ON
23
KENWOOD KEY
I
KENWOOD key (Rotary push) input
H: OFF, L: ON
24,25
NC
-
Not used
Output L
fi
xed
26
PWIC BEEP
O
Beep output
2kHz/1kHz
27
TUN SCL
I/O Front-end I2C clock input/output
MAX 400kHz
28
TUN SDA
I/O Front-end I2C data input/output
MAX 400kHz
29
SOC SYS DATA
O
Data from system
μ
-com to SOC
UART MAX 500kHz
30
SOC SOC DATA
I
Data from SOC to system
μ
-com
UART MAX 500kHz
31
SOC SYS REQ
O
Communication request from system
μ
-com to SOC
H: Request, L: Normal
32
SOC SOC REQ
I
Communication request from SOC to system
μ
-com
H: Request, L: Normal
33
BT SYS DATA
O
Data from system
μ
-com to BT module
34
BT BT DATA
I
Data from BT module to system
μ
-com
35
BT RST
O
BT module reset
L: Normal, H: BT reset
36
FSEL 5V
O
Changes SW5 oscillation frequency
q
Refer to the truth value table
37
FSEL 3.3V
O
Changes SW3.3V oscillation frequency
q
Refer to the truth value table
38
NC
-
Not used
Output L
fi
xed
39
ROMCOR DET
I
ROM correction writing request
H: Rewritable (I2C opened)
39
EPM
I
EPM input during writing
Rewritable in Lo at the start-up
MICROCOMPUTER’S TERMINAL DESCRIPTION