28
Your company internal use only.
Copyright (C) Mitsubishi Electric Corporation.
DY-1MU3R45-T,-2
VOLTAGE
1. MICROCOMPUTER IC800 PCB-MAIN Schematic diagram
BATT, ACC 13.2V
( ) : Reference level (Communication wave pattern)
AM
FM
CD
USB
i-Pod
1 DSP SRESET
O
L
SRESET output for DSP-IC (L : RESET)
3.4
3.4
3.4
3.4
2 DSP IRESET
O
L
IRESET output for DSP-IC (L : RESET)
3.4
3.4
3.4
3.4
3 IE-BUS-TXD
O
-
IE BUS Control line : IE BUS Exclusive communication
0
0
0
0
4 IE-BUS-RXD
I
-
IE BUS Control line : IE BUS Exclusive communication
0.18
0.18
0.18
0.18
5 ILL-
I
L
ILL- input (H : OFF, L : ON)
3.4
3.4
3.4
3.4
6 BYTE(VSS)
I
-
Fixation L
0
0
0
0
7 CNVSS
I
-
On board write
0
0
0
0
8 XCIN
I
-
0.41
0.41
0.41
0.41
9 XCOUT
O
-
0.62
0.62
0.62
0.62
10 (FLASH-RESET)
I
L
RESET (L : RESET)
3.4
3.4
3.4
3.4
11 20MHz(XOUT)
O
-
Resonator connection
1.82
1.82
1.82
1.82
12 GND
-
-
Microcomputer Power supply (Vss)
0
0
0
0
13 20MHz(XIN)
I
-
Resonator connection
1.76
1.76
1.76
1.76
14 3.3V(VCC1)
-
-
Microcomputer Power supply (Vdd)
3.4
3.4
3.4
3.4
15 NMI
I
L
3.4
3.4
3.4
3.4
16 RDS CLOCK
I
-
RDS Clock
3.4
3.4
3.4
3.4
17 CAN IN
I
-
CAN Transceiver reception data input
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
18 CAN OUT
O
-
CAN Transceiver transmission data output
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
19 DSP-ON
O
H
DSP Power supply control (H : Power supply ON)
3.4
3.4
3.4
3.4
20 CD DSTM
I
-
CD Serial data input
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
21 CD CLK
I
-
CD Serial Clock input
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
22 CD DMTS
O
-
CD Serial data output
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
23 USB STS
I
-
Serial USB-LSI SIB connect (H : 1)
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
24 USB CLK
O
-
Serial USB-LSI CLK connect (L
→
H edge)
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
25 USB CMD
O
-
Serial USB-LSI SOB connect (H : 1)
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
26 LED PLUSE
O
H
LED dimming (H : ON, L : OFF)
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
27 TUNER-IIC-SCL
B
-
TUNER IIC Clock
5.3
5.3
5.3
5.3
28 TUNER-IIC-SDA
B
-
TUNER IIC data
5.3
5.3
5.3
5.3
29 (FLASH-TxD/PC-TxD)
O
-
On board write, TxD of communicate for PC
3.4
3.4
3.4
3.4
30 (FLASH-RxD/PC-RxD)
I
-
On board write, RxD of communicate for PC
3.4
3.4
3.4
3.4
31 (FLASH-CLK/PC-RTS)
I
-
On board write CLK/CTS of communicate for PC
3.4
3.4
3.4
3.4
32 (FLASH-RTS(BUSY)/PC-CTS)
O
-
On board write, RTS of communicate for
0
0
0
0
33 VFD-DATA
O
-
VFD Driver Serial data output
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
34 CD MUTE
I
L
MUTE demand input for CD mecha (L : MUTE demand)
0
0
3.4
0
35 VFD-CP
O
-
VFD Driver shift Clock output
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
36 ACC-ON(CD)
O
L
CD mecha ACC ON/OFF (L : ACC ON)
0
0
0
0
37 CD MTS
O
L
Communication demand output for CD mecha
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
38 CD STM
I
L
Communication demand input for CD mecha
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
39 (FLASH-EPM)
I
-
On board write
0
0
0
0
40 USB RESET
O
L
USB HOST RESET (L : RESET)
3.4
3.4
3.4
3.4
41 USB STBY IN
I
L
USB-LSI standby Confirmation terminal (L : Standby)
3.4
3.4
3.4
3.4
42 USB RTS
O
L
USB RTS (L : Transmission demand / Transmission permission, H : unsent)
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
43 IE-BUS-ON
O
H
Power supply control for IE-BUS/SYSTEM-ACC
3.4
3.4
3.4
3.4
44 (FLASH-CE)
I
-
On board write
3.4
3.4
3.4
3.4
45 USB PULSE
I
-
USB-LSI reckless driv ing detectiv e pulse input (L
→
H : Normalcy , L : Reckless driv ing detection)
(3.4/0)
(3.4/0)
(3.4/0)
(3.4/0)
46 IPOD ERROR
I
H
IPOD Isochronous Error (L : Normalcy, H : Error)
0
0
0
0
47 USB STBY
O
L
USB standby terminal (L : Standby, H : Awake)
3.4
3.4
3.4
3.4
48 TEL MUTE
I
L
TEL input (L : TEL ON)
3.4
3.4
3.4
3.4
49 DC/DC 5V ON
O
H
DC/DC Converter 5V ON (H : ON)
3.4
3.4
3.4
3.4
50 DC/DC EN
O
H
VBUS Enable (H : ON)
3.4
3.4
3.4
3.4
I/O
Terminal name
No.
Voltage(V)
Function
ACT
