Cortex-A8 Technical Reference Manual - ARM Information Center

15.7.6 ITTRIGIN, 0xEF8
Cross Trigger Interface
31 4 3 0
Reserved
Figure 15-21 ITCHIN Register format
Table 15-24 shows how the bit values correspond with the ITCHIN Register functions.
CTCHIN
Table 15-24 ITCHIN Register bit functions
Bits Field Function
[31:4] - Reserved, RAZ
[3:0] CTCHIN Reads the values of the CTCHIN inputs
ITTRIGIN is a read-only register. This register enables the values of signal inputs to be read
when bit [0] of the Integration Mode Control Register is set to 1. Figure 15-22 shows the bit
arrangement of the ITTRIGIN Register.
31 9 8
0
Reserved
CTTRIGIN
Figure 15-22 ITTRIGIN Register format
Table 15-25 shows how the bit values correspond with the ITTRIGIN Register functions.
Bits Field Function
Table 15-25 ITTRIGIN Register bit functions
[31:9] - Reserved, RAZ
[8:0] CTTRIGIN Reads the values of the CTTRIGIN inputs
Each bit of the ITTRIGIN Register corresponds to a trigger input. Table 15-26 shows how some
of the bits of ITTRIGIN are connected to other integration test registers in the processor.
Table 15-26 ITTRIGIN connections to other integration test registers
Bits Field Connected to Register name Address bit
[8] - - - -
[7] - - - -
[6] TRIGGER ETM ITTRIGGER Register, 0xEE8 [0]
[5] COMMTX Debug Integration Internal Output Control Register, 0xEF4 [2]
[4] COMMRX Debug Integration Internal Output Control Register, 0xEF4 [1]
[3] EXTOUT[1] ETM ITMISCOUT Register, 0xEDC [1]
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