DEH-P7000UB/XN/EW5
16
1
2
3
4
1
2
3
4
C
D
F
A
B
E
No. Symbol
I/O Explain
1 AMANT
I
AM antenna input
AM antenna input high impedance AMANT pin is connected with
an all antenna by way of 4.7 µH. (LAU type inductor) A series circuit
including an inductor and a resistor is connected with RF ground for
the countermeasure against the hum of power transmission line.
2 RFGND
RF ground
Ground of antenna block
3 FMANT
I
FM antenna input
Input of FM antenna 75 Surge absorber
(DSP-201M-S00B)
is necessary.
4 VCC
power supply
The power supply for analog block. D.C 8.4 V ± 0.3 V
5 SL
O
signal level
Output of FM/AM signals level
6 CE2
I
chip enable-2
Chip enable for EEPROM ”Low” active input
7 NC
non connection
Not used
8 CE1
I
chip enable-1
Chip enable for AF•RF ”High” activev input
9 CK
I
clock
Clock input
10 DI
I
data in
Data input
11 LDET
O
lock detector
“Low” active output
12 OSCGND
osc ground
Ground of oscillator block
13 ROM_VDD
power supply
Power supply for EEPROM pin 13 is connected with a power supply of
micro computer.
14 DO
O
data out
Data output
15 DGND
digital ground
Ground of digital block
16 NC
non connection
Not used
17 VDD_3.3
power supply
The power supply for digital block. 3.3 V ± 0.2 V
18 RDS_CK
O
RDS clock
Output of RDS clock(2.5 V)
19 RDS_DATA
O
RDS data
Output of RDS data(2.5 V)
20 RDS_LOCK
O
RDS lock
Output unit “High” active(2.5 V) (RDS_LOCK turns over by the
external transistor . “Low” active)
21 RDS_HSLK
O
RDS high speed
Output unit “High” active(2.5 V)(RDS_HSLK turns over by the
lock
external transistor. “Low” active)
22 AUDIOGND
audio ground
Ground of audio block
23 L ch
O
L channel output
FM stereo “L-ch” signal output or AM audio output
24 R ch
O
R channel output
FM stereo “R-ch” signal output or AM audio output
FMRF
ANT adj
RF adj
FM ANT
T51
CF52
RFGND
OSCGND
DGND
AUDIOGND
NC
VCC
VDD_3.
3
3.3V
2.5V
IC 4
3.3V 2.5V
IC 2
2.5V
NC
CE2
ROM_VDD
SL
DI
CK
CE1
LDET
DO
RDS_CK
RDS_D
A
T
A
RDS_LOCK
RDS_HSLK
7 6
13
5
10 9 8
11
14
18 19
20 21
1
3
2
12
15
22
16
4
17
IC 1
3.3V
AM ANT
FMRF
ATT
LPF
OSC
IC 3 EEPROM
5.0V
IC 5
5V
t
3.3V
ATT
MIXER, IF AM P
DET, FM MPX,
RDS DECODER
24
23
Rch
Lch
-
FM/AM Tuner Unit
t
Содержание DEH-P7000UB
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Страница 69: ...DEH P7000UB XN EW5 67 5 6 7 8 5 6 7 8 C D F A B E C SIDE B C CD CORE UNIT S10 5COMP2 iPod 12EJ 8EJ DSCSNS ...
