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參數資料
| 型號： | LC723401W-XXXX |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | QIP-64 |
| 文件頁數： | 8/14頁 |
| 文件大小： | 81K |
| 代理商： | LC723401W-XXXX |
LC723401W-XXXX
No.7850-3/14
Pin Functions
No.
Pin name
Designation
I / O
Function description
Logical
Initial
Remarks
“High”
“Low”
state
1
XOUT
OUT
Quartz output
2
TEST1
IN
Connect to GND
3
PC3
NC
OUT
OPEN
4
PC2
NC
OUT
OPEN
5
PC1
NC
OUT
OPEN
6
PC0
NC
OUT
OPEN
7
PD3
AREA1
IN
See information on input
*1
8
PD2
AREA0
IN
Destination area input
combinations given on next page
*1
9
PD1 / INT1
TAPE
IN
TAPE input
See next page
*2 No chattering
10
PD0 / INT0
NC
OUT
OPEN
11
PL2
NC
IN
Connect to GND
12
PL1
NC
IN
Connect to GND
13
PL0
NC
OUT
OPEN
14
PK3 / SI1
SI
IN
Serial data input
1 bit
0 bit
15
PK2 / SO1
SO
OUT
Serial data output
1 bit
0 bit
“Hi”
16
PK1 / SCK1
SCK
OUT
Serial clock
“Hi”
17
PKO
SCE
OUT
Serial chip enable
ENABLE
DISABLE
“Low”
18
PE1
NC
OUT
OPEN
19
PE0 / BEEP
BUZZER
OUT
Beep output
Normal “H”, 2 beep types
“Hi”
20
PF2 / ADI3
PWR CHECK2
IN
Backup input
Normal
Backup
Pull-down enabled
21
PF1 / ADI1
PWR CHECK3
IN
Power check input (A / D)
*3 ADC input select
22
PF0 / ADI0
NC
IN
Connect to GND
23
VSS
Ground pin
24
VDD
+3V power supply
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
Tape / radio switching output
Tape mode
Radio mode
“Hi”
29
S16 / PH3
NC
OUT
OPEN
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
46
COM3
OUT
Common output
47
COM2
OUT
Common output
48
COM1
OUT
Common output
49
DBR4
OUT
LCD power supply
step-up pin
50
DBR3
OUT
LCD power supply
step-up pin
51
DBR2
OUT
LCD power supply
step-up pin
52
DBR1
OUT
LCD power supply
step-up pin
53
PA3
KEYIN3
IN
Key input
Key
Pull-down enabled
pressed
not pressed
54
PA2
KEYIN2
IN
Key input
Key
Pull-down enabled
pressed
not pressed
55
PA1
KEYIN1
IN
Key input
Key
Pull-down enabled
pressed
not pressed
Continued on next page.
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