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参数资料
| 型号： | LA17000M |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80 |
| 封装： | 14 X 14 MM, QFP-80 |
| 文件页数： | 7/54页 |
| 文件大小： | 830K |
| 代理商： | LA17000M |
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LA17000M
No. 6522-15/54
PLL Block Pin Description
Symbol
Pin No.
Description
Function
Pin Circuit
XIN
25
X’tal OSC
XOUT
26
PLL IN
18
CE
27
Chip enable
CL
29
Clock
DI
28
Input data
DO
30
Output data
VDD
19
Power supply
VSS
21
Ground
This is the PLL ground pin.
I/O-1
31
I/O-2
24
STSD SW
17
SEEK SW
33
ADC0
34
ADC input
Continued on next page.
Local
oscillator
signal input
For connecting the crystal oscillator.
(10.35, 10.25, 7.2 or 4.5 MHz)
FMIN is selected when DVS in the serial data
input is set to 1.
The input frequency range is from 10 to
160 MHz.
The signal is transmitted to the swallow
counter.
The divisor can be set to a value in the range
272 to 65535.
This pin is set high during serial data input to
the PLL (DI) or during serial data output (DO).
This pin is the clock for data synchronization
during serial data input to the PLL (DI) or
during serial data output (DO).
This is the input pin for serial data that is
transferred from the controller to the PLL.
This is the output pin for serial data that is
transferred from the controller to the PLL.
This is the PLL power supply pin. Supply 4.5 V
to 5.5 V to this pin when the PLL is operating.
When power is first applied to this pin, the
power-on reset circuit operates.
These are general-purpose I/O ports.
The output circuits open-drain.
During a power-on reset, I/O-1 and I/O-2
become input ports. STSD SW becomes an
output port, and is fixed low.
These ports can be switched between input
and output according to the serial data that is
transferred from the controller (I/O-1, I/O-2,
STSD SW).
This is a general-purpose I/O port.
The output circuits are complementary
circuits.
During a power-on reset, this port becomes
an input port.
This port can be specified as an input or
output port by the serial data that is trans-
ferred from the controller.
This is the A/D converter input pin.
The converter is a 6-bit successive-approxi-
mation A/D converter.
For details, refer to the page that describes
the A/D converter configuration.
General-
purpose
I/O ports
General-
purpose
I/O port
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| LA1781M | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
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相关代理商/技术参数 |
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