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參數(shù)資料
| 型號(hào)： | 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(dòng)器和鎖相環(huán)電路 ）) |
| 中文描述： | 單芯片PLL和控制器LCD驅(qū)動(dòng)（用于電子調(diào)諧的單片微控制器（帶液晶顯示驅(qū)動(dòng)器和鎖相環(huán)電路）） |
| 文件頁(yè)數(shù)： | 8/36頁(yè) |
| 文件大?。?/td> | 598K |
| 代理商： | LC7233N-8818 |
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Continued from preceding page.
No. 4743-8/36
LC7233N-8818
Pin
Name
I/O
Allocation
Active
Function
Handling when unused
27
S23
O
T5
H
Open
28
S22
O
T6
H
Open
29
S21
O
T7
H
Open
30
S20
O
LEDFLSH
H
Open
31
S19
O
DKOUT
H
Open
32
S18
O
MUTE
H
Open
33
S17
O
APS
H
Open
34
S16
O
MTL
H
Open
35
S15
O
NR2
H
Open
36
S14
O
NR1
H
Open
37
S13
O
CDOUT
H
Open
38
S12
O
POWER
H
Open
39
S11
O
LOC
H
Open
40
S10
O
MO/ST
H
Open
41
S9
O
IFCNT
H
Open
42
S8
O
LOUD
H
Open
43
S7
O
DI
H
Open
44
S6
O
CL
H/L
Open
45
S5
O
CE
H
Open
46
S4
O
FMLOW
H
Open
47
S3
O
MODE
H/L
Open
48
S2
O
BAND2
H/L
Must be used.
49
S1
O
BAND1
H/L
50
COM2
O
—
—
51
COM1
O
Diode scan out
Diode scan out
Diode scan out
Outputs a high level for 0.25 second and a low level for 0.75 second
when PANEL IN goes high. However, the LC7233N-8818 only
performs this operation when the diode matrix LED FLASH setting is
0.
Outputs a high level when DKIN goes low.
Inverted by the mute key. When high, the volume level display flashes
at a 1 Hz rate. Valid when HOLD is high and main power is on.
In tape mode, outputs a high level when the APS display is lit, and a
low level when that display is off. Valid when HOLD is high and main
power is on.
In tape mode, outputs a high level when the MTL display is lit, and a
low level when that display is off. Valid when HOLD is high and main
power is on.
In tape mode when the diode matrix NR setting is 1 (i.e., when DNR-
C is selected), outputs a high level when the DNR display and the C
in the preset CH digit are lit, and a low level when that display is off.
Valid when HOLD is high and main power is on.
In tape mode, outputs a high level when the DNR display and the B in
the preset CH digit are lit, and a low level when that display is off.
Valid when HOLD is high and main power is on.
CD source switch (See the CDIN pin description.)
Outputs a high level when the power is on (when the diode matrix
POWER SW setting is 1 and the
when power is off.
key is on). Outputs low
In radio mode when the LOC display is lit, outputs a high level only
during seek or scan when a seek or scan is started. Outputs low
when display is off. Valid when HOLD is high and main power is on.
In radio mode during FM reception (including VF and radio monitor),
outputs a low level when the ST display is lit, and a high level when
that display is off. However, note that this output is enabled for the US
and Japanese MW band when the diode matrix AM ST SEL setting is
0. Outputs a low level in other modes, i.e., tape or CD mode, and
when HOLD is low (clock enabled).
This signal switches the IF counter buffer on and off. Outputs a high
level only when there is an SD during auto search, otherwise outputs
a low level.
Outputs a high level when the LOUD display is lit, and a low level
when that display is off.
Valid when HOLD is high and main power is on.
Connected to the LC7538JMD DATA pin.
Connected to the LC7538JMD CLOCK pin.
Connected to the LC7538JMD CE pin.
Outputs a high level when the FM band is from 64.0 to 74.0 MHz, and
a low level when the FM band is from 87.5 to 108.0 MHz.
Outputs a high level in radio mode, including when DK is on, and
outputs a low level in tape and CD modes.
Outputs a low level when HOLD is low and PANEL IN is high.
These signals change as shown in the table below when the band
key is pressed.
Note: 0 = Low, 1 = High
These pins are left open in normal operation.
POWER
BAND
BAND1
BAND2
Note
MW
0
0
Including tape and
CD modes
LW
0
1
FM
1
0
VF
1
1
Including times when
DK is on
Continued on next page.
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| LC7234 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip PLL and Microcontroller with LCD Driver |
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| LC72341W | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Low-Voltage Single-Chip Microcontrollers with On- Chip PLL and LCD Driver Circuits |
| LC72342G | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Low-Voltage Single-Chip Microcontrollers with On- Chip PLL and LCD Driver Circuits |
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