2 register descriptions, Register descriptions -4 – Freescale Semiconductor MCF5480 User Manual

Page 756

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MCF548x Reference Manual, Rev. 3

25-4

Freescale Semiconductor

25.2.2

Register Descriptions

25.2.2.1

Comm Timer Configuration Register (CTCRn)—Fixed Timer Channel

This register provides programming options for each fixed timer channel. These channels can be

programmed to be in initiator mode or in baud clock generator mode.

Table 25-2. Timer Memory Map

Offset

(MBAR +)

Name

Byte 0

Byte 1

Byte 2

Byte 3

Access

0x7F00

Comm Timer Control Register 0

—Fixed Timer Channel

CTCR0

R/W

0x7F04

Comm Timer Control Register 1

—Fixed Timer Channel

CTCR1

R/W

0x7F08

Comm Timer Control Register 2

—Fixed Timer Channel

CTCR2

R/W

0x7F0C

Comm Timer Control Register 3

—Fixed Timer Channel

CTCR3

R/W

0x7F10

Comm Timer Control Register 4

—Variable Timer Channel

CTCR4

R/W

0x7F14

Comm Timer Control Register 5

—Variable Timer Channel

CTCR5

R/W

0x7F18

Comm Timer Control Register 6

—Variable Timer Channel

CTCR6

R/W

0x7F1C

Comm Timer Control Register 7

—Variable Timer Channel

CTCR7

R/W

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

R

I

0

0

0

0

0

0

IM

M

PCT

S

W

Reset

0

0

0

0

0

0

0

1

1

1

0

1

0

0

0

0

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

R

CRV

W

Reset

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Reg

Addr

MBAR + 0x7F00 (CTCR0); + 0x7F04 (CTCR1); + 0x7F08 (CTCR2); + 0x7F0C (CTCR3)

Figure 25-4. Comm Timer Configuration Register (CTCRn)—Fixed Timer Channel

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