38
KEH-M6036ZH,M6236ZH
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Pin Functions (PD6273A)
Pin No.
Pin Name
I/O
Format
Function and Operation
1
pck
O
N
PLL clock output
2
PDO
O
N
Data output for PLL IC
3
PDI
I
Data input from PLL IC
4
SL
I
SD level input from tuner
5
NL
I
Noise level input
6
MDSENS
I
Modulation detect input
7
SOUND
I
Audio signal input
8
rmute
O
N
RDS mute output
9–11
NC
Not used
12
AVCC
Analog power supply
13
AVR
5V power supply
14
AVSS
I
A/D GND
15
RDSSEL
O
C
Select output for RDS IC
16
RCK
O
C
FROM clock output
17
RDT
I
FROM data input
18
ldet
I
PLL lock sense input
19
rdslk
I
RDS LK signal input
20
rdsrst
O
C
Reset output for RDS IC
21
MOD0
I
Operation mode appointment input
22
MOD1
I
Operation mode appointment input
23
XIN
I
Crystal oscillating element connection pin
24
XOUT
O
Crystal oscillating element connection pin
25
VSS
GND
26
reset
I
Reset input
27
l
/S
O
C
Sensitivity of noise level select
28
currq
O
Tuner voltage FIX output
29
RDSRDY
O
Ready output from RDS IC
30
RECIVE
O
C
During RDS data reception output
31
CORR
O
C
Error output
32
ERROR
O
C
Disapprove of error correction output
33–38
NC
Not used
39
SK
I
SK signal input
40-49
NC
Not used
50
GND
GND
51
TEST
I
Test terminal
52
RDSCK
O
C
Serial clock for RDS IC
53
RDSDO0
O
C
Communication data output
Communication data input
57kHzBP-OUT sense input
C
Gate drive control output
SD input
Not used
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