
4-58 SC140 DSP Core Reference Manual
Event Detection Unit (EDU) Channels and Registers
4.9.2 Data Event Detection Channel (EDCD)
In order to set a watchpoint on a given data value, the user should:
• Write the watched value into the EDCD_REF.
• Enter a write mask into the EDCD_MASK.
• Specify the type of access (read or write) in the EDCD_CTRL.
• Specify the data type (byte/word/long) in the EDCD_CTRL.
• Enable the event detection unit in EDCD_CTRL, as the last action.
The following sections describe the functionality of these registers.
4.9.2.1 EDCD Control Register (EDCD_CTRL)
Figure 4-22 displays the configuration of EDCD_CTRL.
The shaded bits are reserved and should be initialized with zeros for future software compatibility.
Figure 4-22. EDCD Control Register (EDCD_CTRL)
Table 4-20 describes the EDCD_CTRL fields.
BIT 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 BIT 0
AWS EDCDEN CCS ATS
TYPE rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw rw
RESET 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Table 4-20. EDCD_CTRL Description
Name Description Settings
R
Bits
14-15
Reserved
R
Bits
13–10
Reserved
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