beautypg.com

Texas Instruments TMS320C2XX User Manual

Page 445

background image

Register Descriptions

A-10

Wait-State Generator Control Register (WSGR) — Except ’C209— I/O Address FFFCh

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

ЙЙЙЙЙЙЙЙ

ЙЙЙЙЙЙЙЙ

0

1

1

1

1

1

1

1

1

1

1

1

1

Reserved

ISWS

DSWS

PSUWS

PSLWS

R/W

0
0
1
1
0
0
1
1

0 wait states
1 wait state
2 wait states
3 wait states
4 wait states
5 wait states
6 wait states
7 wait states

0
0
0
0
1
1
1
1

Lower program
wait states

0
1
0
1
0
1
0
1

0
0
1
1
0
0
1
1

0 wait states
1 wait state
2 wait states
3 wait states
4 wait states
5 wait states
6 wait states
7 wait states

0
0
0
0
1
1
1
1

Upper program
wait states

0
1
0
1
0
1
0
1

0
0
1
1
0
0
1
1

0 wait states
1 wait state
2 wait states
3 wait states
4 wait states
5 wait states
6 wait states
7 wait states

0
0
0
0
1
1
1
1

Data wait states

0
1
0
1
0
1
0
1

0
0
1
1
0
0
1
1

0 wait states
1 wait state
2 wait states
3 wait states
4 wait states
5 wait states
6 wait states
7 wait states

0
0
0
0
1
1
1
1

I/O wait states

0
1
0
1
0
1
0
1

R/W

R/W

R/W

† These reserved bits are always read as 0s. Writes have no effect.

Wait-State Generator Control Register (WSGR) — ’C209 — I/O Address FFFFh

15

4

3

2

1

0

ЙЙЙЙЙЙЙЙЙЙЙЙЙЙЙ

ЙЙЙЙЙЙЙЙЙЙЙЙЙЙЙ

0

1

1

1

1

Reserved

AVIS

ISWS

DSWS

PSWS

R/W

0 wait states
1 wait state

0
1

Program wait states

0 wait states
1 wait state

0
1

Data wait states

0 wait states
1 wait state

I/O wait states
0
1

Address visibility mode disabled
Address visibility mode enabled

0
1

R/W

R/W

R/W

Address visibility mode

† These reserved bits are always read as 0s. Writes have no effect.