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1 address event detection channel (edca), 1 edca control registers (edcai_ctrl), Address event detection channel (edca) -54 – Freescale Semiconductor StarCore SC140 User Manual

Page 164: Edca control registers (edcai_ctrl) -54, Edca control register (edcai_ctrl) -54, Edca_ctrl description -54, Section 4.9.1.1, Edca control registers (edcai_ctrl), 1 edca control registers (edca i _ctrl), Table 4-19 describes the edca i _ctrl fields

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4-54

SC140 DSP Core Reference Manual

Event Detection Unit (EDU) Channels and Registers

4.9 Event Detection Unit (EDU) Channels and
Registers

The various event detection channels and corresponding registers are described in the sections that follow.

4.9.1 Address Event Detection Channel (EDCA)

The EDCA can be used to detect the following:

Program breakpoint, specified on a specific PC value or range

Data address breakpoint, specified on a specific data address or range.

The functionality of these registers is described in the following sections.

4.9.1.1 EDCA Control Registers (EDCAi_CTRL)

EDCAi_CTRL is a 16-bit register used to control the behavior of the corresponding EDCA. The following
sections describe the functionality of each bit in the EDCAi_CTRL register.

Figure 4-21 displays the configuration of the EDCAi_CTRL register.

Figure 4-21. EDCA Control Register (EDCA

i

_CTRL)

Table 4-19 describes the EDCAi_CTRL fields.

BIT 15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

BIT 0

EDCAEN

CS

CBCS

CACS

ATS

BS

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 4-19. EDCA_CTRL Description

Name

Description

Settings

R
Bits
14-15

Reserved