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Ordering number : ENN*6633
Preliminary
LC72348G-9970
CMOS IC
LC72348G-9970
Portable Stereo Software Specifications
Overview
The LC72348G-9970 is a single chip controller designed
for portable stereo applications.
It incorporates an AM / FM PLL tuner covering the frequency
requirements in the USA, Europe, East Europe, and Japan.
A 1/4 duty cycle, 1/2 bias LCD driver is also built in.
Features and Functions
•
10 station memories in each of three bands:
AM, FM I, FM II
•
Integrated 1/4 duty cycle, 1/2 bias LCD driver.
•
On / off switchable clock / alarm function
(2 clock settings).
•
12/24-hour display switching.
•
World area switching.
•
Tape function display.
•
Remaining battery capacity display.
•
Mono / stereo switching.
•
Hold function.
•
Equipped for AM / FM reception in USA,Europe,
East Europe, and Japan.
•
Integrated LPF amplifier.
•
Tuning voltage generating circuit.
•
Single 3V power supply.
•
QIP64G package.
Package Dimensions
unit : mm
3231-QIP64G
[LC72348G-9970]
17.2
14.0
0.8
0.35
116
15.6
17.2
1.6
14.0
1.0
49
1.0
0.8
1.0
48
64
1.6
1.0
33
32
17
3.0max
0.8
SANYO : QIP-64G
0.15
0.1
2.15
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft's
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
81000 RM (IM)
No.6633-1/10
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Pin Assignment
LC72348G-9970
XIN63TEST162AGND61AOUT60AIN59EO58VSS57AMIN56FMIN55VDD54TU53RES52DBR151DBR250DBR349DBR4
64
XOUT
TEST2
KEYIN3
KEYIN2
KEYIN1
KEYIN0
KEYOUT3
KEYOUT2
KEYOUT1
KEYOUT0
BAND
FM MN/ST
NC
NC
AREA1
AREA0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18NC19NC20
TAPE
LC72348G--9970
21
22
23
24
BUZZER
PWR CHECK2
STEREO
PWR CHECK3
VSS
25
POWER
26
27
HOLD
28
MUTE
TUNER OUT
29
SD IN
30
S1531S1432S13
COM1
48
COM2
47
COM3
46
COM4
45
S1
44
S2
43
S3
42
S4
41
S5
40
S6
39
S7
38
S8
37
S9
36
S10
35
S11
34
S12
33
Top view
ILC00004
No.6633-2/10
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Pin Function
LC72348G-9970
No. Pin name Designation I / O Function description
1 XOUT XOUT OUT Quartz output
2 TEST2 TEST2 IN Connect to GND
3 PA3 KEYIN3 IN Key input
4 PA2 KEYIN2 IN Key input
5 PA1 KEYIN1 IN Key input
6 PA0 KEYIN0 IN Key input
7 PB3 KEYOUT3 OUT Key output Scan Standby “Low”
8 PB2 KEYOUT2 OUT Key output Scan Standby “Low”
9 PB1 KEYOUT1 OUT Key output Scan Standby “Low”
10 PB0 KEYOUT0 OUT Key output Scan Standby “Low”
11 PC3 BAND OUT Band output FM band AM band “Low”
12 PC2 FM MN / ST OUT
13 PC1 NC OUT OPEN
14 PC0 NC OUT OPEN
15 PD3 AREA1 IN See information on *1
16 PD2 AREA0 IN
17 PD1 TAPE IN TAPE input See next page *2 No chattering
18 PD0 / INT NC OUT OPEN
19 PE1 NC OUT OPEN
20 PE0 / BEEP BUZZER OUT Beep output
21 PF2 PWR CHECK2 IN Backup input Normal Backup
22 PF1 / ADI1 PWR CHECK3 IN
23 PF0 / ADI0 STEREO IN STEREO input See next page *4 No chattering
24 VSS VSS Ground pin
25 S20 / PG3 POWER OUT Power output Power off Power on “Hi”
26 S19 / PG2 HOLD IN HOLD key input HOLD off HOLD on No chattering
27 S18 / PG1 MUTE OUT Muting output Muting on Muting off “Low”
28 S17 / PG0 TUNER OUT OUT
29 S16 / PH3 SD IN IN SD input
30 S15 / PH2 S15 OUT Segment output
31 S14 / PH1 S14 OUT Segment output
32 S13 / PH0 S13 OUT Segment output
33 S12 S12 OUT Segment output
34 S11 S11 OUT Segment output
35 S10 S10 OUT Segment output
36 S9 S9 OUT Segment output
37 S8 S8 OUT Segment output
38 S7 S7 OUT Segment output
39 S6 S6 OUT Segment output
40 S5 S5 OUT Segment output
41 S4 S4 OUT Segment output
42 S3 S3 OUT Segment output
43 S2 S2 OUT Segment output
44 S1 S1 OUT Segment output
45 COM4 COM4 OUT Common output
FM MN / ST
(mono / stereo) output key state
Destination area input input combinations
Power check input *3 ADC input
(A / D) select
Tape / radio switching
output
Logical Logical Initial
“High” “Low” state
Key Key not Pull-down
pressed pressed enabled
Key Key not Pull-down
pressed pressed enabled
Key Key not Pull-down
pressed pressed enabled
Key Key not Pull-down
pressed pressed enabled
FM Stereo FM Mono “Low”
given on next page
Normal “Hi”, 2 beep
types
T ape mode Radio mode “Hi”
SD not SD Chattering 20 --
pressed pressed 30 ms
“Hi”
Remarks
FM MN / ST
*1
Pull-down
enabled
No.6633-3/10