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參數(shù)資料
| 型號： | LC7233N-8818 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single-Chip PLL and Controller with LCD Driver(用于電子調(diào)諧的單片微控制器（帶LCD驅(qū)動器和鎖相環(huán)電路 ）) |
| 中文描述： | 單芯片PLL和控制器LCD驅(qū)動（用于電子調(diào)諧的單片微控制器（帶液晶顯示驅(qū)動器和鎖相環(huán)電路）） |
| 文件頁數(shù)： | 9/36頁 |
| 文件大?。?/td> | 598K |
| 代理商： | LC7233N-8818 |
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Diode Matrix (DIMRX) Select
0: without diode, 1: with diode
No. 4743-9/36
LC7233N-8818
Pin
Name
I/O
Allocation
Active
Function
Handling when unused
52
HOLD
I
HOLD
L
Must be used.
53
ADI
I
V
SS
—
Connect directly to V
SS
.
54
HCTR
I
HCTR
—
Connect directly to V
SS
.
55
SNS
I
STEREO
L
Connect directly to V
DD
.
56
V
DD
—
—
—
—
57
FMIN
I
—
—
Connect directly to V
SS
.
58
AMIN
I
—
—
Connect directly to V
SS
.
59
V
SS
EO
—
—
—
—
60
O
—
—
Must be used.
61
AIN
I
—
—
Connect directly to V
SS
.
Connect directly to V
SS
.
—
62
AOUT
O
—
—
63
TEST1
I
—
—
64
XOUT
O
—
—
—
Detects the external power switch on/off state.
When HOLD goes from high to low:
When the clock is enabled: The oscillator is not stopped and the
clock continues to count. (Hold mode; I
DD
= 1.5 mA typ)
When the clock is disabled (when the diode matrix LED FLASH
setting is 1): The oscillator is stopped and the LC7233N-8818
enters low power mode. (Backup mode; I
DD
= 5 μA max)
Connected to V
SS
.
Inputs the FMIF and AMIF signals. Input an AC coupled signal of 100
mV rms or over. See the description of the diode matrix IFCOUNT0
and IFCOUNT1 settings.
Tolerance: FM ±10 kHz, MW ±3 Hz, LW ± 0.6 kHz
When HOLD is high, the
level input in radio mode (FM or VF) only. Display starts 500 ms after
HOLD goes from low to high. However, this function is also enabled
in MW mode in products for the US and Japanese markets when the
diode matrix AM ST SEL setting is 1.
display is turned on 500 ms after a low
+5 V input
FM local oscillator input
Input an AC coupled signal of 100 mVrms or over.
AM local oscillator input
Input an AC coupled signal of 100 mVrms or over.
Connected to ground.
Phase comparator output: connected to the LPF input.
LPF amplifier input
LPF amplifier output
Connected to ground.
4.5 MHz crystal oscillator connection
Diode matrix
name
On/
off
Function
Clock function enabled.
12 Hr: USA, Japan, Saudi Arabia, South Africa, Southeast Asia
24 Hr: Europe, East Europe
0
CLOCK
1
Clock function disabled.
0
CD function disabled. CDIN disabled. The CDOUT pin outputs a low level. Connect CDIN to V
DD
.
CD function enabled. When CDIN is low CDOUT will be high, and when CDIN is high CDOUT will be low. The CD key is also
enabled. (See the item on the CDIN pin.)
CD SELECT
1
B0
B1
B2
—
See the reception frequency table.
IFSHIFT
LW1
LW2
FMB1
FMB0
Number of preset FM stations
FMB0
FMB1
0
0
FM1, FM2, FM3
(18 stations)
0
1
FM1, FM2
(12 stations)
1
0
FM1
(6 stations)
1
1
Illegal value
0
The FM, MW, and LW bands are enabled.
FM ONLY
1
Only the FM band is enabled. The band key is disabled. The number of FM bands depends on the diode matrix FMB0 and FMB1
settings.
Continued on next page.
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