5
MC-DX40/MC-DX40DAB
75 P34/BUSRQ
DAB_SYS_RST
I/O O
O
I
-
-
DAB system reset(Does not use)
76 P35/BUSAK
N.C
I/O I
O
I
-
-
77 P36/R/W
N.C
I/O X OPEN
78 P37/BOOT
BOOT_MODE
I/O O
O
I
H
L update mode select
79 P40/CS0
N.C
I/O X OPEN
80 P41/CS1
N.C
I/O X OPEN
81 P42/CS2
RDS_DATA
I/O I
X
I
-
-
tuner RDS data input
82 P43/CS3
PLL_CE
I/O O
X
I
-
- tuner PLL ic enable
83 P60/SCK
PLL_CLK
I/O O
X
I
-
- tuner PLL IC clock
84 P61/SO/SDA
PLL_DOUT
I/O O
X
I
-
- tuner PLL IC data out
85 P62/SI/SCL
PLL_DINI/O
I
X
I
-
- tuner PLL IC data input
86 P63/INT0
T_MUTE
I/O I
O
I
-
- tuner PLL IC mute
87 P64/SCOUT
TUNED_IN
I/O I
O
I
-
L tuned in
88 P65
STEREO_IN
I/O I
O
I
-
L stereo in
r
e
w
o
p
U
C
M
V
3
.
3
+
U
C
M
C
C
V
D
9
8
90 P66
N.C
I/O
X OPEN I
D
N
G
D
N
G
S
S
V
D
1
9
92 P50/AN0
KEY0
I
I
O
I
-
- key0 input
93 P51/AN1
KEY1
I
I
O
I
-
- key1 input
94 P52/AN2
N.C
I
I
O
I
-
-
95 P53/AN3/ADTRG
SCROL_UP
I
I
O
I
-
- Scrol up
96 P54/AN4
SCROL_DWN
I
I
O
I
-
- scrol down
97 P55/AN5
V_PROTECT
I
I
O
I
-
- voltage protect
98 P56/AN6
N.C
I
O
99 P57/AN7
OPTION
I
I
O
I
-
- Version Option
100 VREFH
MCU +3.3V
ADC Reference HIGH( VCC )
Use
ON Pull-up NoUse init stby Act.
Note
pin
No
O
/I
e
m
a
N
t
r
o
P
Status
Description
71 P30/RD
N.C
I/O
X
OPEN
72 P31/WR
N.C
I/O
X
OPEN
73 P32/HWR
EEPROM_DATA
I/O
O
O
I
-
-
EEPROM DATA
74 P33/WAIT
EEPROM_CLK
I/O
O
O
I
-
-
EEPROM CLOCK
