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参数资料
| 型号： | LC723401W-XXXX |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | QIP-64 |
| 文件页数： | 12/14页 |
| 文件大小： | 81K |
| 代理商： | LC723401W-XXXX |
LC723401W-XXXX
No.7850-7/14
Key
Operation Description
- Selects 12/24-hour display.
- During initialization, data are read and the setting is made as follows. If the clock is disabled, 12/24-hour display is also not available.
OFF : 12-hour display (Initial display : 12:00)
ON : 24-hour display (Initial display : 0:00) JAZZ, not colon
- Selects whether LCD check is performed or not.
- During initialization, data are read and the setting is made as follows.
OFF : LCD check disabled
ON : LCD check enabled
- Display check is performed after reading diode switches. All display elements are turned on for 3 seconds, and the display then switches
to normal operation.
Key Matrix
PA0 input
PA1 input
PA2 input
PA3 input
PB0 output
Up / Hour
Down / Min
FM MN / ST
Memo1
PB1 output
Memo2
Memo3
Memo+ / Time set
Memo5
PB2 output
FUNC
ALARM
Memo4
PB3 output
Clock Sel
ALARM Sel
12/24 Sel
LCD Check
* PB3 output line is Diode switch.
* When CLOCK Sel is turned OFF, alarm function enabled can be selected and 12/24-hour display can’t be selected.
Reception Frequencies
Destination area : Japan (A1 = ”High”, A2 = ”High”)
Area
BAND
Reception Frequency
Step
Reference
Intermediate
frequency
AM
531 to 1629kHz
9kHz
3kHz
+450kHz
JPN
FM I
76.0 to 90.0 / 90.0 to 108.0MHz
100 / 50kHz
12.5kHz
--10.7MHz
FM II
76.0 to 90.0 / 90.0 to 108.0MHz
100 / 50kHz
12.5kHz
--10.7MHz
AM
530 to 1710kHz
10kHz
5kHz
+450kHz
USA
FM I
87.5 to 108.1MHz
200kHz
12.5kHz
--10.7MHz
FM II
87.5 to 108.1MHz
200kHz
12.5kHz
--10.7MHz
AM
531 to 1602kHz
9kHz
3kHz
+450kHz
EUR
FM I
87.5 to 108.0MHz
50kHz
12.5kHz
--10.7MHz
FM II
87.5 to 108.0MHz
50kHz
12.5kHz
--10.7MHz
Destination area : USA (A1 = ”High”, A2 = ”Low”), Europe (A1 = ”Low”, A2 = ”High”)
Area
BAND
Reception Frequency
Step
Reference
Intermediate
frequency
AM
531 to 1629kHz
9kHz
3kHz
+450kHz
JPN
FM I
76.0 to 90.0 / 90.0 to 108.0MHz
100 / 50kHz
12.5kHz
+10.7MHz
FM II
76.0 to 90.0 / 90.0 to 108.0MHz
100 / 50kHz
12.5kHz
+10.7MHz
AM
530 to 1710MHz
10kHz
5kHz
+450kHz
USA
FM I
87.5 to 108.1MHz
200kHz
12.5kHz
+10.7MHz
FM II
87.5 to 108.1MHz
200kHz
12.5kHz
+10.7MHz
AM
531 to 1602kHz
9kHz
3kHz
+450kHz
EUR
FM I
87.5 to 108.0MHz
50kHz
12.5kHz
+10.7MHz
FM II
87.5 to 108.0MHz
50kHz
12.5kHz
+10.7MHz
Destination area : East Europe (A1 = ”Low”, A2 = ”Low”)
Area
BAND
Reception Frequency
Step
Reference
Intermediate
frequency
AM
531 to 1602kHz
9kHz
3kHz
+450kHz
EAST EUR
FM I
65.0 to 74.0MHz
50kHz
12.5kHz
+10.7MHz
FM II
87.5 to 108.0MHz
50kHz
12.5kHz
+10.7MHz
12 / 24 Sel
(Diode switch)
LCD Check
(Diode switch)
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