KTF-2010/3010
7
CIRCUIT DESCRIPTION
Pin No.
Pin Name
I/O
Descriptions
1
Vdd
–
Power 5V)
2~8
–
I
No use
9
/CE
I
Chip enable
L : CE detection
10
/RESET
I
Microprocessor reset
L : RESET
11,12
X1,2
I
Main clock oscillator
13
IC(Vpp)
–
Connect to VSS
14,15
XT1,2
I
–
16
Vdd
–
Power 5V)
17,18
–
I
No use
19
SBUSY
I/O
Serial busy signal
20
SDATA
I/O
Serial data signal
21
/HIGH BLEND
I
Hi blend
L : HIGH BLEND
22
8/16
O
XS8/SL16 selector
L : SL16
23
/2080,3080
I
model selector
L : KTF–2010
24
POWER
O
POWER detection
L : STANDBY
25
Avss
–
A/D converter gnd
26
PLL_DO
I
PLL DO
27
PLL_CE
O
PLL chip enable
28
PLL_DATA
O
PLL data detection
29
PLL_CLK
O
PLL clock
30
/T_MUTE
O
TUNER mute
L : MUTE ON
31
–
I
No use
32
S_LEVEL
I
Signal level
33
N_LEVEL
I
Noise level
34
Avdd
–
A/D converter analog voltage
35
Avref
–
A/D converter standard voltage
36
RDS_CLK
I
RDS demodulator IC clock
37
RDS_DATA
I
RDS demodulator IC data
38,39
–
I
No use
40
Vss
–
Gnd
41,42
–
I
No use
43
/STEREO
I
STEREO pilot detection
44
/SD
I
SD pilot detection
45
TUNING
O
To stop noise level detection in tuning
H : TUNING
–
Power 5V)
I
No use
O
IF BAND selector
L : WIDE
O
RF_ATT selector
L : ON
O
Antenna–B control
H : ANT B
O
Antenna–A control
H : ANT A
I
Encoder counterclockwise detection
I
Encoder clockwise detection
O
HIGH BLEND LED
H : LED ON
O
WIDE LED
H : LED ON
O
NARROW LED
H : LED ON
62
ATT_LED
O
ATT LED
H : LED ON
63,64
–
I
No use
65~70
KR6~1
I
Key return 6~1
71~73
–
O
No use
74~76
SEG16~14
O
FL segment output16~14
77
SEG13/KS5
O
FL segment output13/key scan5(TUNER selector)
78
SEG12/KS4
O
FL segment output12/key scan4
79
Vload
–
FL controller/driver pull down resistor
80~82
SEG11~9/KS3~1
O
FL segment output11~9/key scan3~1
83~90
SEG8~1
O
FL segment output8~1
91~100
GRID1~10
O
FL grid output1~10
2-2 Pin function
(K)KTF-2010
1P(
98.4.25
4:21
PM
y [ W
14
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