7
KIV-700/BT900
Pin No.
Pin Name
I/O
Application
Truth
Value Table
Processing / Operation / Description
75
SDA EVOL SDA
I/O Data output from system u-com to E-VOL
76
SCL DSP SCL
I/O I2C clock for DSP
76
SCL E2P SCL
I/O I2C clock for the mother E2PROM
76
SCL EVOL SCL
I/O Clock output from system
μ
-com to E-VOL
77
LX MUTE
I
Mute request from slave unit
H: Mute ON, L: Mute OFF
78
LX CON
O
Start-up request to salve unit
H: Slave unit ON, L: Slave unit OFF
79
LX RST
O
Forced reset to slave unit
H: Reset, L: Normal
80
MUTE PRE
O
External preout mute
0-bit or momentary power-down: L,
L: Mute ON
81
MUTE PRE SW
O
External preout mute (SUB)
0-bit or momentary power-down: L,
L: Mute ON
82
PON AM
I/O AM+B power supply control
H: AM station found, Hi-Z: Others
83
TUN IFC OUT
I
Front-end IFC-OUT input
H: Station found, L: No station
84
TUN SMETER
I
S-meter voltage detection
85
RDS NOISE
I
FM noise voltage detection
86
RDS AFS M
I/O Noise detection time constant SW
L: AF search, Hi-Z: Normal
87
NC
-
Not used
Output L
fi
xed
88
TRIANGLE ILL
O
Triangle LED control
H: Turned ON, L: Turned OFF
89
VARI1 B
O
Panel scroll bar variable BLUE
PWM control (100Hz)
90
VARI1 G
O
Panel scroll bar variable GREEN
PWM control (100Hz)
91
VARI1 R
O
Panel scroll bar variable RED
PWM control (100Hz)
92
VARI0 B
O
Panel L & R key variable BLUE
PWM control (100Hz)
93
VARI0 G
O
Panel L & R key variable GREEN
PWM control (100Hz)
94
AVSS
-
95
VARI0 R
O
Panel L & R key variable RED
PWM control (100Hz)
96
VREF
-
97
AVCC
-
98
LX DATA S
I
Data from slave unit
99
LX DATA M
O
Data to slave unit
100
LX CLK
I/O LX-BUS clock
MICROCOMPUTER’S TERMINAL DESCRIPTION