ST7540 STMicroelectronics, ST7540 Datasheet - Page 32

• Manufacturer Part Number: ST7540
• Description: IC TXRX FSK POWER LINE 28-TSSOP
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST7540

• Number Of Drivers/receivers: 1/1
• Voltage - Supply: 5 V ~ 9 V
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP Exposed Pad, 28-eTSSOP, 28-HTSSOP
• Product: Modem Chip
• Data Rate: 4.8 KBd (Typ)
• Supply Voltage (max): 5.25 V or 13.5 V
• Supply Voltage (min): 4.75 V or 7.5 V
• Supply Current: 3.5 mA or 54 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• For Use With: 497-5485 - BOARD EVAL ST7540 PWR LINE TXRX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Protocol: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-5527-5

Functional description
6.8
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Control register
The ST7540 is a multi-channel and multifunction transceiver. An internal 24 or 48 Bits (in
Extended mode) Control Register allows to manage all the programmable parameters
(Table
The programmable functions are:
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In addition to these functions the Extended mode provides 24 additional bits and others
functions:
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Channel Frequency
Baud Rate
Deviation
Watchdog
Transmission Timeout
Frequency Detection Time
Detection Method
Mains Interfacing Mode
Output Clock
Sensitivity Mode
Input Pre-Filter
Output Level Freeze
Frame Header Recognizes (one 16 bits header of or two 8 bits headers) with support to
Frame Length Bit count
12).
ST7540