Table of Contents
Advertisement
(15) Rx Ring Frame Pointer Low Register (IRRFPLR)
Address: H'10007108 (Bank 1, Read)
Bit
7
Bit Name
RFP7
Initial Value
-
R/W
R
Bit
Description
7 - 0
Ring Frame Pointer (RFP), D0 - D7:
Used in back-to-back packet reception to provide the end-of-packet pointer value.
Bit
Bit Name
The RFP value is initially set to 0000h. Thus, before receiving the first packet, software
should not use the RFP value for any computation.
(16) Rx Ring Frame Pointer High Register (IRRFPHR)
Address: H'1000710A (Bank 1, Read)
Bit
7
Bit Name
RFP15
Initial Value
-
R/W
R
Bit
Description
7 - 0
Ring Frame Pointer (RFP), D8 - D15:
Used in back-to-back packet reception to provide the end-of-packet pointer value.
Bit
Bit Name
6
5
RFP6
RFP5
-
-
R
R
7
6
5
4
D7
D6
D5
D4
D3
6
5
RFP14
RFP13
-
-
R
R
7
6
5
4
D15
D14
D13 D12 D11
4
3
RFP4
RFP3
-
-
R
R
3
2
1
0
D2
D1
D0
4
3
RFP12
RFP11
-
-
R
R
3
2
1
0
D10
D9
D8
2
1
RFP2
RFP1
-
-
R
R
2
1
RFP10
RFP9
-
-
R
R
Rev. 3.0, 03/01, page 145 of 390
0
RFP0
-
R
Default
-
0
RFP8
-
R
Default
-
Advertisement
Table of Contents
