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Rainbow Electronics W90N745CDG User Manual

Page 216

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W90N745CD/W90N745CDG

Publication Release Date: September 22, 2006

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211

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Revision

A2

BITS

DESCRIPTIONS

[31:6]

Reserved

[6]

EPA_ZERO

Send zero length packet to HOST

[5]

EPA_STL_CLR

CLEAR the Endpoint A stall(WRITE ONLY)

[4]

EPA_THRE

Endpoint A threshold (only for ISO)
1: once available space in FIFO over 16 bytes, DMA accesses
memory
0: once available space in FIFO over 32 bytes, DMA accesses
memory

[3]

EPA_STL

Set the Endpoint A stall

[2]

EPA_RDY

The memory is ready for Endpoint A to access

[1]

EPA_RST

Endpoint A reset

[0]

EPA_EN

Endpoint A enable

USB Endpoint A interrupt enable Register (EPA_IE)

REGISTER

ADDRESS

R/W

DESCRIPTION

RESET VALUE

EPA_IE

0xFFF06050

R/W USB endpoint A Interrupt Enable register 0x0000_0000

31

30

29

28

27

26

25

24

Reserved

23

22

21

20

19

18

17

16

Reserved

15

14

13

12

11

10

9

8

Reserved

7

6

5

4

3

2

1

0

Reserved EPA_CF_IE

EPA_BUS_ERR_IE

EPA_DMA_IE

EPA_ALT_IE

EPA_TK_IE EPA_STL_IE