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Renesas SH7781 User Manual

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29. User Break Controller (UBC)

Rev.1.00 Jan. 10, 2008 Page 1466 of 1658
REJ09B0261-0100

29.2.4

Match Address Mask Setting Registers 0 and 1 (CAMR0 and CAMR1)

CMAR0 and CMAR1 are readable/writable 32-bit registers which specify the bits to be masked
among the address bits specified by using the match address setting register of the corresponding
channel. (Set the bits to be masked to 1.)

• CAMR0

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

CAM

CAM

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Bit :

Initial value :

R/W:

Bit :

Initial value :

R/W:

Bit Bit

Name

Initial
Value R/W

Description

31 to 0

CAM

Undefined R/W Compare Address Mask

Specifies the bits to be masked among the address
bits which are specified using the CAR0 register. (Set
the bits to be masked to 1.)

0: Address bits CA[n] are included in the break

condition.

1: Address bits CA[n] are masked and not included in

the break condition.

[n] = any values from 31 to 0