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ST7540 数据表(PDF) 5 Page - STMicroelectronics

部件名 ST7540
功能描述  FSK power line transceiver
PDF  44 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7540 数据表(HTML) 5 Page - STMicroelectronics

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ST7540
Pin settings
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2
Pin settings
2.1
Pin connection
Figure 2.
Pin connection (top view)
2.2
Pin description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CD_PD
REG_DATA
GND
RxD
RxTx
TxD
BU/THERM
CLR/T
VDD
MCLK
RSTO
UART/SPI
WD
PA_IN-
TEST2
TEST1
VDC
RX_IN
CL
Vsense
X2
X1_OSCIN
SVSS
TX_OUT
PA_IN+
VCC
VSS
PA_OUT
Table 1. Pin description
N°
Name
Type
Description
1
CD_PD
Digital/Output
Carrier, preamble or frame header detect output.
"1" No carrier, preamble or frame header detected
"0" Carrier, preamble or frame header detected
2REG_DATA
Digital/Input
with internal pull-down
Mains or control register access selector
"1" - Control register access
"0" - Mains access
3
GND
Supply
Digital ground
4
RxD
Digital/Output
RX data output.
5
RxTx
Digital/Input
with internal pull-up
Rx or Tx mode selection input.
"1" - RX Session
"0" - TX Session
6TxD
Digital/Input
with internal pull-down
TX data input.



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