Software Description
KT912F634UG User’s Guide Rev. 2.0 10/2013
26
Freescale Semiconductor, Inc.
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Archive Information
To restore communication, press the "STOP" button in the FreeMASTER toolbar.
Figure 20. The FreeMASTER Toolbar
8.3.4.3
FreeMASTER Direct Register Access Page
Figure 21
shows the FreeMASTER Direct Register Access control page. The user can read the contents of all
registers, as well as write allowable values to the registers. To enter the value, the user can either click on the
button representing the register bit (with the bit name), or write the number in the edit box in any number format
(dec, hex or bin). There are separate buttons for writing or reading each register. Some registers (mostly related
to the ADC) allow only 16-bit access, therefore there is one big button for reading and writing high and low byte
as single 16-bit value. There are also registers that cannot be modified. In such cases, the button “Write” is
disabled. There are almost 100 registers. The registers are divided into 6 tabs, creating logical groups. On the
right side of the control panel is a field with common functions. The “Read all registers” button is at the top. There
is a group of three radio switches for selection of the number format in which the read values are displayed. The
user can enter the register value in any format, regardless of the format selection. The last function in this field
is a message box to view the entered number information. If the number is not in a supported format, or is
greater than 0xFF, the message “Wrong number” will appear in this message box.
At the top of the control page is a two-line message box showing the BDM protocol error messages.
Figure 21. FreeMASTER Direct Register Access Control Page
6
10
11
9
5
7
1
2
3
4
8
