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AFE030 Datasheet(PDF) 42 Page - Texas Instruments

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Part # AFE030
Description  Powerline Communications Analog Front-End
PDF  58 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

AFE030 Datasheet(HTML) 42 Page - Texas Instruments

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0.1 F
m
10 kW
(typ)
10 kW
(typ)
10 kW
(typ)
10 kW
(typ)
TMP411
D+
D-
V+
1
8
7
6
4
5
3
2
GND
SCL
SDA
ALERT/THERM2
THERM
+3.3 V
SMBus
Controller
Over-Temperature
Fault
50 pF
50 W
TSENSE
Device
AFE030
SBOS588A
– DECEMBER 2011 – REVISED DECEMBER 2011
www.ti.com
Table 18 lists the register contents associated with each interrupt condition.
Table 18. Register Contents to Configure the Interrupt Pin
CONTROL2 REGISTER CONTENTS:
DETERMINE INTERRUPT PIN FUNCTIONALITY
I_FLAG_EN
T_FLAG_EN
(CURRENT OVERLOAD)
(THERMAL OVERLOAD)
FUNCTION
D7
D6
D5
POR (default values)
undefined
0
0
No interrupt
0
0
0
Interrupt on thermal overload only
0
0
1
Interrupt on current overload only
0
1
0
Interrupt on thermal or current overload
0
1
1
TSENSE Pin (10)
The TSENSE pin is internally connected to the anode of a temperature-sensing diode located within the PA
output stage. Figure 45 shows a remote junction temperature sensor circuit that can be used to measure the
junction temperature of AFE030. Measuring the junction temperature of the AFE030 is optional and not required.
Figure 45. Interfacing the TMP411 to the AFE030
Tx_FLAG (Pin 47)
The Tx_FLAG pin is an open drain output that indicates the readiness of the Tx signal path for transmission.
When the Tx_FLAG pin is high, the transmit signal path is enabled and ready for transmission. When the
Tx_FLAG pin is low, the transmit path is not ready for transmission.
Rx_FLAG (Pin 48)
The Rx_FLAG pin is an open drain output that indicates the readiness of the Rx signal path for transmission.
When the Rx_FLAG pin is high, the transmit signal path is enabled and ready for transmission. When the
Rx_FLAG pin is low, the transmit path is not ready for transmission.
42
Copyright
© 2011, Texas Instruments Incorporated
Product Folder Link(s): AFE030



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