R1610C RDC Semiconductor, R1610C Datasheet - Page 105
R1610C
Manufacturer Part Number
R1610C
Description
High Performance 16 Bits MCU Integrated One 10/100M Mac Controller - 3.3V Operating Voltage/2.5V Core Voltage
Manufacturer
RDC Semiconductor
Datasheet
1.R1610C.pdf
(145 pages)
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R
2. DTLEN
3. DTBP
4. DTNP
Note:
Data Sheet
Final Version 1.5
October 27, 2003
R
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
15-11
31-20
31-20
10-0
19-0
19-0
15
Bit
Bit
Bit
1.
2.
3.
D
D
14
TX Descriptor start address must be Double-Word alignment.
TX Data Buffer start address can be any byte alignment address.
Driver needs to take care that the transmitted data are less than 60 bytes.
C
C
DTLEN
Name
Name
Name
DTNP
DTBP
Reserved
Rsvd
Rsvd
Rsvd
13
®
®
Reserved
Reserved
R
R
I
I
S
S
C
C
D
D
12
S
S
Reserved.
Reserved.
TX Buffer Pointer.
This is a 20-bit address pointer.
Reserved.
TX Next Descriptor Pointer. This is a 20-bit descriptor address pointer and DTNP [1:0] is
always 2’b00. This field must be pointed to next descriptor start address or its start address.
The length of the transmitted packet.
P
P
C
C
o
o
m
m
m
m
u
u
11
n
n
i
i
c
c
a
a
t
t
i
i
o
o
n
n
10
9
8
7
6
Description
Description
Description
DTLEN
5
4
Fast Ethernet RISC Processor
DTNP
DTBP
9
9
3
8
8
7
7
2
6
6
5
5
1
R1610C
4
4
0
3
3
2
2
1
1
105
0
0
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