3.13.8. TPIU Test Pattern Repeat Counter Register

The TPRCR characteristics are:


An 8-bit counter start value that is decremented. A write sets the initial counter value and a read returns the programmed value. On reset this value is set to 0.

Usage constraints

There are no usage constraints.


This register is available in all configurations.


See the register summary in Table 3.114.

Figure 3.114 shows the bit assignments.

Figure 3.114. TPRCR bit assignments

To view this graphic, your browser must support the SVG format. Either install a browser with native support, or install an appropriate plugin such as Adobe SVG Viewer.

Table 3.122 shows the bit assignments.

Table 3.122. TPRCR bit assignments




8-bit counter value to indicate the number of traceclkin cycles for which a pattern runs before it switches to the next pattern.

The default value is 0.

Copyright © 2011-2013 ARM. All rights reserved.ARM DDI 0480F