ST7540TR STMicroelectronics, ST7540TR Datasheet - Page 35

• Manufacturer Part Number: ST7540TR
• Description: IC TXRX FSK POWER LINE 28-TSSOP
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST7540TR

• 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
• 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: Compliant
• Other names: 497-5528-2

ST7540
Table 12. Control register functions
24 to 39
40 to 47 Frame Length
20
21
22
23
Input Filter
Sensitivity
Function
Extended
Register
Header
Header
Length
Frame
Mode
Normal Sensitivity
Enabled (48 bits)
Disable (24 bits)
from 01h to FFh
High Sensitivity
from 0000h to
Disabled
Enabled
16 bits
FFFFh
Value
8 bits
Selection
Bit 20
Bit 21
Bit 22
Bit 23
0
1
0
1
0
1
0
1
Note
Active only if Extended
Control Register is enable (Bit
21=”1”)
Extended Register enables
Functions on Bit 17, 18,19 and
20
One 16 bits Header or two 8
bits Headers (MSB first)
depending on Bit 20
Number of 16 bits words
expected
Functional description
Disabled
Disabled
(24 bits)
Default
Normal
16 bits
9B58h
08h
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