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ST7570 数据表(PDF) 5 Page - STMicroelectronics

部件名 ST7570
功能描述  S-FSK power line networking system-on-chip
PDF  26 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7570 数据表(HTML) 5 Page - STMicroelectronics

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ST7570
Pin connection
Doc ID 17526 Rev 2
5/26
2.1
Pin description
Table 2.
Pin description
Pin
Name
Type
Reset state Pull-up
Description
1
TXD
Digital output
High Z
Disabled
UART data out
External pull-up to VDDIO required
2
RXD
Digital input
High Z
Disabled UART data in
3
VDDIO
Power
-
-
3.3 V – 5 V I/O external supply
4
TRSTN
Digital input
Input
Enabled System JTAG interface reset (active low)
5
TMS
Digital input
Input
Enabled System JTAG interface mode select
6
GND
Power
-
-
Digital ground
7
TCK
Digital input
High Z
Disabled
System JTAG interface clock.
External pull-up to VDDIO required
8
TDO
Digital output
High Z
Disabled System JTAG interface data out
9
TDI
Digital input
Input
Enabled System JTAG interface data in
10
RESETN
Digital input
Input
Disabled System reset (active low)
11
VDD
Power
-
-
1.8 V digital supply.
Internally connected to VDD_REG_1V8
Externally accessible for filtering purposes only
12
XIN
Analog
-
-
Crystal oscillator input / external clock input
13
XOUT
Analog
-
-
Crystal oscillator output
(if external clock supplied on XIN, XOUT must be
left floating)
14
GND
Power
-
-
Digital ground
15
VSSA
Power
-
-
Analog ground
16
VDD_PLL
Power
-
-
1.8 V PLL supply voltage.
Connect externally to VDD
17
VCCA
Power
-
-
5 V analog supply / internal regulator output
Externally accessible for filtering purposes only
18
ZC_IN_A
Analog input
-
-
Analog zero-crossing input
19
RX_IN
Analog input
-
-
Reception analog input
20
TX_OUT
Analog output
-
-
Transmission analog output
21
PA_IN+
Analog input
-
-
Power amplifier
Non-inverting input
22
PA_IN-
Analog input
-
-
Power amplifier
Inverting input
23
CL
Analog input
-
-
Current limit sense input
24
VCC
Power
-
-
Power supply
25
VSS
Power
-
-
Power ground



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