CXM539 User’s Manual
Doc.# 6001-0014 Rev1.2
Page 12
6.2
Calibration Commands (only available in config mode)
L
Unlock Calibration Mode (This command is only available in config.
mode)
O Zero All the Sensors for cal. (available only after executing L)
X
+1/2 Gauss X Field Applied for cal. (available only after executing L)
Y
+1/2 Gauss Y Field Applied for cal. (available only after executing L)
Z
+1/2 Gauss Z Field Applied for cal. (available only after executing L)
Q
-1/2 Gauss Applied Field Delta for cal. (available only after executing
L)
6.3
EEROM Map
For all EEROM constants the least significant byte is stored in the lowest
address and the most the most significant byte is stored in the highest
address.
00
Not Used
01
CPU Clock Speed Divisor
1-7 Clock Divisor
8- 0=Run at Full clock speed 1=Enable clock division
CPU Speed = 4.9152 MHz/(129-ClockDivisor)
This used to allow the use of lower UART baud rates and
Lower power consumption.
For example 300 baud could be used with the Clock
Divisor set to 125 to divide the clock rate by 4 and the
baud rate control register set to 255.
02
Operating Mode
1- Send Corrected Data.
2- Autosend Data until Stop autosend command received.
3- Send Data Only Once (On power up or single data by
command)
4- Send Data in a Text Format
5- Send Data in a decimal format (Only checked if in Text
format)
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