TRM-915-R250 datasheet(30/39 Pages) LINX

30 / 39 page

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My GUID

These registers contain the factory-programmed read-only GUID address.

This address is unique for each module and is used by all packet types as

a unique origination address.

Figure 65 shows the GUID Registers.

Release Number - NV Address = 0x78

This register contains a hard-coded release number corresponding to a

firmware version and hardware platform. Figure 66 shows examples of the

commands and Figure 67 lists current releases to date.

250 Series GUID Registers

Name

Non-Volatile

Address

Description

regMYGUID[3]

0x34

MSB of the GUID address

regMYGUID[2]

0x35

Byte 2 of the GUID address

regMYGUID[1]

0x36

Byte 1 of the GUID address

regMYGUID[0]

0x37

LSB of the GUID address

Figure 65: 250 Series GUID Registers

250 Series Release Number Register Settings

Release Number

0x0D

1.0.5

0x10

1.0.5a

0x11

1.1.0

0x14

1.1.0 (Brazil)

Figure 66: 250 Series Transceiver Release Number Command and Response

Figure 67: 250 Series Transceiver Release Number Register Settings

250 Series Release Number

Read Command

Read Response

Header

Size

Escape

Address

ACK

Address

Value

0xFF

0x02

0xFE

0x78

0x06

0x78

As an example, if regAUTADD is set to 0x0F (Any Auto Address) and a

GUID packet is received from another module, then regAUTADD reads

back as 0x4F. The lower 4 bits indicate that the module is set to any auto

address (0xF). The upper 4 bits indicate that the packet that was just

received was a GUID Network Mode packet (0x4).

Figure 63 summarizes the configuration values for the lower 4 bits of the

Figure 64 shows the Network Mode values that the module writes to the

upper 4 bits after successfully receiving a packet.

250 Series Auto Addressing Register Settings

Auto Address Value

Meaning

Action

0x00

Auto Addressing disabled

Destination Registers not

populated

0x04

GUID Auto Address

Auto-populates GUID Address

Destination Register Only

0x06

User Auto Address Mode

Auto-populates User Address

Destination Register

0x07

Extended User Auto Address

Mode

Auto-populates User Address

Destination Register

0x0F

Any Auto Address Mode

Auto-populates GUID Address

Destination Register

Figure 63: 250 Series Transceiver Auto Addressing Register Settings

250 Series Auto Addressing Network Mode Indicator

Network Mode

Meaning

0x4

GUID Networking Mode

0x6

User Networking Mode

0x7

Extended User Networking Mode

Figure 64: 250 Series Transceiver Auto Addressing Network Mode Indicator

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