MDEV-868-PRC datasheet(39/55 Pages) LINX

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The Reload Key command copies the key in non-volatile memory (NKN)

to the volatile location (NKV). This allows a sophisticated system to change

the keys during operation and quickly revert back to the default key.

The Non-volatile Reset command (FF 07 FE 47 20 FE 2A FE 3B) sets

all non-volatile registers to their default values. When the configuration is

reset, the following message, shown in quotes, is sent out the UART at the

current baud rate, then the module is reset, similar to a power cycle:

“\r\nConfiguration Reset\r\n”.

This reset can also be done by toggling the PB line as described in the

Restore Factory Defaults section.

SECSTAT - Security Status

Volatile Address = 0xC9

This volatile read-only register provides status of the security features.

The command returns a single byte. Figure 75 shows the meanings of the

bits in the returned value byte.

Figure 74: HumPRCTM Series Transceiver Security Status Command and Response

HumPRCTM Series Security Status

Read Command

Read Response

Header

Size

Escape

Address

ACK

Address

Value

0xFF

0x03

0xFE

0x49

0x06

0xC9

HumPRCTM Series Security Status Value

Bit

Status

Reserved

0 = No volatile key is set

1 = A volatile key is set

0 = No non-volatile key is set

1 = A non-volatile key is set

Reserved

Figure 75: HumPRCTM Series Security Status Values

JOINST - Join Status

Volatile Address = 0xCA

This volatile read-only register shows the current or previous state of Join

activity since the module was last reset.

The command returns a single byte. Figure shows the meanings of the

returned value byte.

Figure 76: HumPRCTM Series Transceiver Join Status Command and Response

HumPRCTM Series Join Status

Read Command

Read Response

Header

Size

Escape

Escape Address

ACK

Address

Value

0xFF

0x03

0xFE

0x4A

0x06

0xCA

Figure 77: HumPRCTM Series Transceiver Join Status Value

HumPRCTM Series Join Status Value

Bit

Status

0 - 5

Last Join Result (decimal):

Last Operation Successful

0x00: Module unpaired since restart

0x01: New key generated

0x02: Successfully sent address to another unit

0x03: Successfully sent address and key to another unit

0x04: Successfully obtained key from administrator

0x05: Successfully obtained address from administrator

0x06: Successfully obtained key and address from administrator

0x07: New address generated without key

0x08: New key generated without address

Last Operation Failed

0x0A: Fail: operation canceled

0x0B: Fail: timeout

0x0C: Fail: Invalid Generate Key and Address request

0x0D: Fail: Assignment message didn’t contain key

0x0E: Fail: Administrator has no key to send when SECOPT:PSHARE=1

0x0F: Fail: Administrator has no address to send

0x10: Fail: Inconsistent Network Address Registers USRC, UMASK, LASTNETAD

0x11: Fail: LASTNETAD overflow

0x12: Fail: GET_KEY key and address change disabled.

Current Operation

0x20: Detecting PB sequence

0x21: Waiting for joining unit

0x22: Another joining unit detected. Joining is in progress.

+0x64: JOINACT – MODE_IND is active with pairing status, serial write

operations are inhibited

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