LC7232N-8819 View Datasheet(PDF) - SANYO -> Panasonic
Part Name
Description
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LC7232N-8819 Datasheet PDF : 23 Pages
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LC7232N-8819
Pin Functions
Pin Symbol
1
XIN
2 TEST2
3
PG3
4
PG2
5
PG1
6
PG0
7
PH3
8
PH2
9
PH1
10 PH0
11 PF3
12 PF2
13 PF1
14 PF0
15 PE3
16 PE2
17 PE1
18 PE0
19 PD3
20 PD2
21 PD1
22 PD0
23 PC3
24 PC2
25 PC1
26 PC0
27 PB3
28 PB2
29 PB1
30 PB0
I/O Allocation Active
Function
Initial value Handling when unused
I
XIN
— Connection for the 4.5 MHz crystal
—
Must be used.
I TEST2
— Connect to GND
—
Must be used.
I
REMO
L
Remote control input pin; REMO and INT are connected together.
—
Connect directly to VDD.
I STEREO
L
In FM mode with stereo selected by the MO/ST key,
when this pin goes low the ST indicator will be lit.
—
Connect directly to VDD.
I
K5
— Diode matrix inputs
—
Must be used.
I
K4
—
—
Must be used.
O MO/ST
H Mono = low, stereo = high
L
Open
O FM/AM
O
MW
— Tuner band switching output
—
See the Band Switching Output Table for details.
H
Open
H
Open
O LW/SW1 —
H
Open
O SW2/A/B —
L
Open
I FUNC1
I FUNC0
— Switches the function according to the input state.
—
(Connect these pins to GND when SELFUN = 1.)
L
Connect to GND.
L
Connect to GND.
O
VUP
H For use with the motorized volume control.
Outputs a high level while the V-UP key is pressed.
L
Open
O
VDN
H For use with the motorized volume control.
Outputs a high level while the V-DN key is pressed.
L
Open
O
CE
H For control of the electronic volume IC and the source selector IC.
L
Open
O
DO
H
L
Open
O
CLK
H
L
Open
O BASS
H For use with super bass control. The bass indicator will be on
when this signal is high, and off when low.
L
Open
O
T-ON
H After a power on due to the timer, waits one second and then
outputs a high level for 500 ms. (For use by on timer auto-play.)
L
Open
O MUTE
H Audio mute (audio signal cutoff)
Used for both mute output due to the mute key as well as IF
counter output.
L
Open
O POWOUT H Power control
Power on = high, power off = low
L
Open
O
T7
H Scans only when a key is pressed. Holds a high level when the
scan is stopped. (The chattering exclusion time is 40 ms.)
H
Open
O
T6
H Scans only when a key is pressed. Holds a high level when the
scan is stopped. (The chattering exclusion time is 40 ms.)
H
Open
O
T5
H Scans only when a key is pressed. Holds a high level when the
scan is stopped. (The chattering exclusion time is 40 ms.)
H
Open
O
T4
H Scans only when a key is pressed. Holds a high level when the
scan is stopped. (The chattering exclusion time is 40 ms.)
H
Open
O
T3
H Scans only when a key is pressed. Holds a high level when the
scan is stopped. (The chattering exclusion time is 40 ms.)
H
Open
O
T2
H Scans only when a key is pressed. Holds a high level when the
scan is stopped. (The chattering exclusion time is 40 ms.)
H
Open
O
T1
H Scans only when a key is pressed. Holds a high level when the
scan is stopped. (The chattering exclusion time is 40 ms.)
H
Open
O
T0
H Scans only when a key is pressed. Holds a high level when the
scan is stopped. (The chattering exclusion time is 40 ms.)
H
Open
Continued on next page.
No. 4643-7/23
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