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EEPROM PARAMETERS
8
The OEM Host can program various parameters that are stored in EEPROM and become active after a power-on
reset. The table below gives the locations and descriptions of the parameters that can be read/written by the OEM
Host. Factory default values are also shown. Do not write to any EEPROM addresses other than those listed below.
Do not copy one transceiver’s EEPROM to another transceiver as doing so may cause the transceiver to malfunction.
Table 9: EEPROM Parameters
Parameter
EEPROM
Address
Length
(Bytes)
Range Default Description
Product ID 0x00 40 Product identifier string. Includes revision infor-
mation for software and hardware.
Channel Mask 0x30 4 0x07FFF800 When Channel Select is enabled in EEPROM,
tells the radio the available channels to use in
Channel Select mode.
End Device Poll Rate 0x34 2 0x0000 - 0xFFFF 0x03E8 Specifies how often the End Device will wakeup
from Sleep Mode. and request data from its
parent. 1 ms per increment.
Note: Valid only for End Devices
Parent Hold Message 0x39 1 0x00 - 0xFF 0x42 Specifies the amount of time that a Parent
Device will hold a message for a sleeping End
Device before discarding. 1000 ms per incre-
ment.
Note: Valid only for Coordinator and Routers
End Device Wake Time 0x3A 2 0x0000 - 0xFFFF 0x0064 Specifies the amount of time that an End
Device will remain awake. 1 ms per increment.
Note: Valid only for End Devices
End Device Wake Poll
Rate
0x3C 2 0x0000 - 0xFFFF 0x0032 Specifies how often the End Device should
request messages from its Parent Device while
awake. 1 ms per increment.
Note: Valid only for End Devices
Stop Bit Delay 0x3F 1 0x00 - 0xFF 0x00 For systems employing the RS-485 interface or
Parity, the serial stop bit might come too early.
Stop bit delay controls the width of the last bit
before the stop bit occurs. Should be set to 2
times the byte time when used.
0x00 = Disable stop bit delay
Note: Stop bit delay only needs to be used
when using external RS485 hardware or RS485
DE/RE.
Channel Number 0x40 1 0x0B -
0x1A
0x0B RF Channel Number. Used when Channel
Select mode is disabled.