Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Hoja De Datos

 823

SAM9M10 [DATASHEET]

6355F–ATARM–12-Mar-13

 UDPHS_TST

0xFFF780E0

 Read-write 

Read-write:

Speed Configuration:

Read and write:

0 = no effect.

1 = set to send the J state on the UDPHS line. This enables the testing of the high output drive level on the D+ line.

Read and write:

0 = no effect.

1 = set to send the K state on the UDPHS line. This enables the testing of the high output drive level on the D- line.

Read and write:

0 = no effect.

1 = set to repetitively transmit the packet stored in the current bank. This enables the testing of rise and fall times, eye pat-
terns, jitter, and any other dynamic waveform specifications.

31

30

29

28

27

26

25

24

–

–

–

–

–

–

–

–

23

22

21

20

19

18

17

16

–

–

–

–

–

–

–

–

15

14

13

12

11

10

9

8

–

–

–

–

–

–

–

–

7

6

5

4

3

2

1

0

–

–

OPMODE2

TST_PKT

TST_K

TST_J

SPEED_CFG

00

Normal Mode: The macro is in Full Speed mode, ready to make a High Speed identification, if the host supports it and then 
to automatically switch to High Speed mode

01

Reserved

10

Force High Speed: Set this value to force the hardware to work in High Speed mode. Only for debug or test purpose.

11

Force Full Speed: Set this value to force the hardware to work only in Full Speed mode. In this configuration, the macro will 
not respond to a High Speed reset handshake