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參數(shù)資料
| 型號： | LC72342-XXXX |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | QIP-64 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 50K |
| 代理商： | LC72342-XXXX |
LC72342
No.6584-3/10
Pin Function
No.
Pin name
Designation
I / O
Function description
Logical
Initial
Remarks
”High”
”Low”
state
1
XOUT
OUT
Quartz output
2
TEST2
IN
Connect to GND
3
PA3
KEYIN3
IN
Key input
Key
Key not
Pull-down
pressed
enabled
4
PA2
KEYIN2
IN
Key input
Key
Key not
Pull-down
pressed
enabled
5
PA1
KEYIN1
IN
Key input
Key
Key not
Pull-down
pressed
enabled
6
PA0
KEYIN0
IN
Key input
Key
Key not
Pull-down
pressed
enabled
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
FM MN / ST
FM Stereo
FM Mono
”Low”
FM MN / ST
(mono / stereo) output
key state
13
PC1
NC
OUT
OPEN
14
PC0
NC
OUT
OPEN
15
PD3
AREA1
IN
See information on
*1
16
PD2
AREA0
IN
Destination area input
input combinations
*1
given on next page
17
PD1
TAPE
IN
TAPE input
See next page
*2 No chattering
18
PD0 / INT
PWR CHECK1
IN
Backup input during
Normal
Backup
*4 Falling edge
HALT
interrupt
19
PE1
NC
OUT
OPEN
20
PE0 / BEEP
BUZZER
OUT
Beep output
Normal ”Hi”, 2 beep
”Hi”
types
21
PF2
PWR CHECK2
IN
Backup input
Normal
Backup
*4 Pull-down
enabled
22
PF1 / ADI1
PWR CHECK3
IN
Power check input
*3 ADC input
(A / D)
select
23
PF0 / ADI0
STEREO
IN
STEREO input
See next page
*5 No chattering
24
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 off
Muting on
”Hi”
28
S17 / PG0
TAPE OUT
OUT
Tape / radio switching
Tape mode
Radio mode
”Hi”
output
29
S16 / PH3
SD IN
IN
SD input
SD not
SD
Chattering 20 --
pressed
30 ms
30
S15 / PH2
S15
OUT
Segment output
31
S14 / PH1
S14
OUT
Segment output
32
S13 / PH0
S13
OUT
Segment output
33
S12
OUT
Segment output
34
S11
OUT
Segment output
35
S10
OUT
Segment output
36
S9
OUT
Segment output
37
S8
OUT
Segment output
38
S7
OUT
Segment output
39
S6
OUT
Segment output
40
S5
OUT
Segment output
41
S4
OUT
Segment output
42
S3
OUT
Segment output
43
S2
OUT
Segment output
44
S1
OUT
Segment output
45
COM4
OUT
Common output
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