Rainbow Electronics W90P710CDG User Manual
Page 151
W90P710CD/W90P710CDG
Publication Release Date: September 19, 2006
- 151 -
Revision B2
Current Transmit Descriptor Start Address Register (CTXDSA)
The CTXDSA keeps the start address of Tx descriptor that is used by TxDMA currently. The CTXDSA
is read only and write to this register has no effect.
REGISTER
ADDRESS
R/W
DESCRIPTION
RESET VALUE
CTXDSA 0xFFF0_30CC R
Current Transmit Descriptor Start
Address Register
0x0000_0000
31
30
29
28
27
26
25
24
CTXDSA
23
22
21
20
19
18
17
16
CTXDSA
15
14
13
12
11
10
9
8
CTXDSA
7
6
5
4
3
2
1
0
CTXDSA
BITS
DESCRIPTIONS
[31:0]
CTXDSA
Current Transmit Descriptor Start Address
Current Transmit Buffer Start Address Register (CTXBSA)
The CTXDSA keeps the start address of Tx frame buffer that is used by TxDMA currently. The
CTXBSA is read only and write to this register has no effect.
REGISTER
ADDRESS
R/W
DESCRIPTION
RESET VALUE
CTXBSA 0xFFF0_30D0 R
Current Transmit Buffer Start
Address Register
0x0000_0000
31
30
29
28
27
26
25
24
CTXBSA
23
22
21
20
19
18
17
16
CTXBSA
15
14
13
12
11
10
9
8
CTXBSA
7
6
5
4
3
2
1
0
CTXBSA