10
DDX5024/5034/5034BT/5034M/5054/514/54R
DNX5140/5240/5240BT/6000EX/6140
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
SYSTEM MICROCOMPUTER 30878MJBA31GP (X34-575: IC104)
Pin No.
Pin Name
I/O
Application
Processing / Operation / Description
1
EVOL_SDA/EVOL_SDA
I/O Communication data with E-VOL
1
EVOL_SDA/E2P_SDA
O
Communication data with E2P
2
TV_MC_REQ
O
Request to TV
μ
-com
2
NC
O
Output from model without TV is
fi
xed to “L”
3
TV_SC_CON
O
Request to start TV
μ
-com
3
NC
O
Output from model without TV is
fi
xed to “L”
4
VSYNC_DET
I
Video external input detection
Detects if there is VSYNC signal or not
5
VOL+
I
Detects VOL key
Detects pulse width
15 pulses/360°, 2 clicks, 1 pulse
6
VOL-
I
Detects VOL key
Detects pulse width
15 pulses/360°, 2 clicks, 2 pulse
7
HSY
I
HD input
Counts HD
8
VD
I
VD (VSYNC) input
9
SRC
I
Source key
10
TV_SC_REQ
I
Request from TV
μ
-com
10
NC
O
Output from model without TV is
fi
xed to “L”
11
REVERSE
I
Reverse detection
L: Detection, H: Normal
12
PWIC_STBY
O
Power IC standby
H: ON, L: OFF
13
INV_PWM
O
Inverter frequency control (Output by timer)
14
PWIC_MUTE
O
Power IC output mute control
H: OFF, L: ON
15
BYTE
16
CNVSS
17
XCIN
18
XCOUT
19
RESET
20
XOUT
21
VSS
22
XIN
23
VCC1
24
NMI
25
ACC_DET
I
ACC detection
H: ACC reduced power detection
26
BU_DET
I
Backup power supply detection
H: Backup reduced power detection
27
R_CLK
I
Clock input from RDS decoder
27
NC
O
Output from model without RDS is
fi
xed to “L”
(To destination X and V)
28
NC
O
29,30
NC
O
Not used. Output is
fi
xed to “L”
31
PWM
O
LCD brightness control (PWM output)
PWM output synchronized with VSY
32
PARKING
I
Parking detection (For all the destinations)
H: Detection, L: When car is running
33
BEEP
O
BEEP
PWM output