Rx_a buffer descriptor pointer register, Rx_b buffer descriptor pointer register, Register bit assignment – Digi NS9750 User Manual
Page 407: Table 236: rx_a buffer descriptor pointer register, Table 237: rx_b buffer descriptor pointer register
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E t h e r n e t C o m m u n i c a t i o n M o d u l e
RX_A Buffer Descriptor Pointer register
Address: A060 0A00
Register bit assignment
RX_B Buffer Descriptor Pointer register
Address: A060 0A04
Register bit assignment
Bits
Access
Mnemonic
Reset
Description
D31:00
R/W
RXAPTR
0x00000000
RX_A Buffer Descriptor Pointer
Contains a pointer to the initial receive buffer
descriptor for the
A
pool of buffers.
Table 236: RX_A Buffer Descriptor Pointer register
RXAPTR
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
RXAPTR
Bits
Access
Mnemonic
Reset
Description
D31:00
R/W
RXBPTR
0x00000000
RX_B Buffer Descriptor Pointer
Contains a pointer to the initial receive buffer
descriptor for the
B
pool of buffers.
Table 237: RX_B Buffer Descriptor Pointer register
RXBPTR
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
RXBPTR