Rx_c buffer descriptor pointer register, Rx_d buffer descriptor pointer register, Register bit assignment – Digi NS9750 User Manual
Page 408: Table 238: rx_c buffer descriptor pointer, Table 239: rx_d buffer descriptor pointer register
E t h e r n e t C o n t r o l a n d S t a t u s r e g i s t e r s
3 8 4
N S 9 7 5 0 H a r d w a r e R e f e r e n c e
RX_C Buffer Descriptor Pointer register
Address: A060 0A08
Register bit assignment
RX_D Buffer Descriptor Pointer register
Address: A060 0A0C
Register bit assignment
Bits
Access
Mnemonic
Reset
Description
D31:00
R/W
RXCPTR
0x00000000
RX_C Buffer Descriptor Pointer
Contains a pointer to the initial receive buffer
descriptor for the
C
pool of buffers.
Table 238: RX_C Buffer Descriptor Pointer
RXCPTR
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
31
29
28
27
26
25
24
23
22
21
20
19
18
17
16
30
RXCPTR
Bits
Access
Mnemonic
Reset
Description
D31:00
R/W
RXDPTR
0x00000000
RX_D Buffer Descriptor Pointer
Contains a pointer to the initial receive buffer
descriptor for the
D
pool of buffers.
Table 239: RX_D Buffer Descriptor Pointer register
RXDPTR
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
31
29
28
27
26
25
24
23
22
21
20
19
18
17
16
30
RXDPTR