4
MC-DX40/MC-DX40DAB
Use
ON
Pull-up NoUse init
stby Act.
1
VREF
VREFL
ADC Reference LOW( GND )
D
N
G
_
C
D
A
S
S
V
A
S
S
V
A
2
r
e
w
o
p
U
C
M
V
3
.
3
+
U
C
M
C
C
V
A
3
4
P70/TA0IN
N.C
I/O
X
OPEN
I
5
P71/TA1OUT
N.C
I/O
X
OPEN
I
6
P72/TA3OUT
N.C
I/O
X
OPEN
I
7
P73/TA4IN
N.C
I/O
X
OPEN
I
8
P74/TA5OUT
N.C
I/O
X
OPEN
I
9
P75/TA7OUT
N.C
I/O
X
OPEN
I
10 P80/TB0IN0/INT5
N.C
I/O
X
OPEN
I
11 P81/TB0IN1/INT6
N.C
I/O
X
OPEN
I
12 P82/TB0OUT0
N.C
I/O
X
OPEN
I
13 P83/TB0OUT1
N.C
I/O
X
OPEN
I
14 P84/TB1IN0/INT7
VFD_RESET
I/O
O
X
I
H
L
vfd reset
15 P85/TB1IN1/INT8
VFD_DO
I/O
O
X
I
-
-
vfd data
16 P86/TB1OUT0
VFD_CS
I/O
O
X
I
-
-
vfd chip select
17 P87/TB1OUT1
VFD_CLK
I/O
O
X
I
-
-
vfd clock
18 P90/TXD0
DAB TXD
I/O
O
X
I
-
-
DAB TXD
19 P91/RXD0
DAB RXD
I/O
I
X
I
-
-
DAB RXD
,t
c
e
l
e
s
e
t
a
r
e
p
o
p
i
h
c
V
3
.
3
+
U
C
M
0
M
A
4
2
,r
e
w
o
p
U
C
M
V
3
.
3
+
U
C
M
C
C
V
D
5
2
)
z
H
M
7
2
(r
o
t
a
lli
c
s
o
-
O
)
Z
H
M
7
2
(l
a
t
-
X
2
X
6
2
D
N
G
D
N
G
S
S
V
D
7
2
)
z
H
M
7
2
(r
o
t
a
lli
c
s
o
-
I
)
Z
H
M
7
2
(l
a
t
-
X
1
X
8
2
t
c
e
l
e
s
e
t
a
r
e
p
o
p
i
h
c
V
3
.
3
+
U
C
M
1
M
A
9
2
30 RESET
Reset
I
I
I
I
L MCU reset
)
z
H
K
8
6
7
.
2
3
(r
o
t
a
lli
c
s
o
C
T
R
I
)
Z
H
K
8
6
7
.
2
3
(l
a
t
-
X
1
T
X
/
6
9
P
1
3
)
z
H
K
8
6
7
.
2
3
(r
o
t
a
lli
c
s
o
C
T
R
O
)
Z
H
K
8
6
7
.
2
3
(l
a
t
-
X
2
T
X
/
7
9
P
2
3
33 EMU0
N.C
O
OPEN
34 EMU1
N.C
O
OPEN
36 PA1/INT2
RDS_CLK
I
I
X
I
-
-
rds clock
37 PA2/INT3
EX_INT.
I
I
O
I
L
38 PA3/INT4
BUS_IN
I
I
X
I
-
-
bus input
39 PA4
ST-BY_LED
I/O
O
X
I
L
H Stand-by LED control
40 PA5
DAB_ON
I/O
O
X
I
H
L dab on
41 PA6
PWR_ON
I/O
O
X
I
L
H power on
42 PA7
FM/AM_ON
I/O
O
X
I
H
L FM/AM on
N
E
P
O
X
C
.
N
E
L
A
3
4
44 P00/AD0
SYSTEM_MUTE
I/O
X
I
H
L system mute
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN I
-
-
RTC SQW/OUT
OPEN I
-
-
Real time ic clock
OPEN I
-
-
Real time ic data
61 P21/A1/A17
RTC_SWITCH
I/O
I
O
I
-
-
Remote selector( system or single )
D
N
G
D
N
G
S
S
V
D
2
6
r
e
w
o
p
U
C
M
V
3
.
3
+
U
C
M
I
M
N
3
6
r
e
w
o
p
U
C
M
V
3
.
3
+
U
C
M
C
C
V
D
4
6
65 P22/A2/A18
N.C
I/O
X
OPEN
66 P23/A3/A19
N.C
I/O
X
OPEN
67 P24/A4/A20
N.C
I/O
X
OPEN
68 P25/A5/A21
N.C
I/O
X
OPEN
69 P26/A6/A22
N.C
I/O
X
OPEN
70 P27/A7/A23
N.C
I/O
X
OPEN
Note
pin
No
O
/I
e
m
a
N
t
r
o
P
Status
Description
20 P92/SCLK0/CTS0
N.C
I/O
X
OPEN I
21 P93/TXD1
UPDATE_TXD
I/O O
X
I
-
- MCU Updata TXD
22 P94/RXD1
UPDATE_RXD
I/O I
X
I
-
- MCU Updata RXD
23 P95/SCLK1/CTS1
P_DWN
I/O I
X
I
I
L
Power down
35 PA0/INT1
REMOTE_IN
I
I
X
I
-
- remote in
45 P01/AD1
N.C
I/O
X
46 P02/AD2
N.C
I/O
X
47 P03/AD3
N.C
I/O
X
48 P04/AD4
N.C
I/O
X
49 P05/AD5
N.C
I/O
X
50 P06/AD6
N.C
I/O
X
51 P07/AD7
BUS_OUT
I/O O
X
I
-
- Bus output
52 P10/AD8/A8
N.C
I/O
X
53 P11/AD9/A9
N.C
I/O
X
54 P12/AD10/A10
N.C
I/O
X
55 P13/AD11/A11
N.C
I/O
X
56 P14/AD12/A12
N.C
I/O
X
57 P15/AD13/A13
N.C
I/O
X
58 P16/AD14/A14
RTC_SQW/OUT
I/O I
X
59 P17/AD15/A15
RTC_CLK
I/O O
X
60 P20/A0/A16
RTC_DOUT
I/O O
X
Pin Functions
