CHAPTER 21:Ethernet MAC
794
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
4.123.
RX Buffer Size Queue i Register (ETHERNETn_rxbuf_size_qi) (i=1
to 3)
Description of RX Buffer Size Queue i register is shown.
REGISTER_NAME
ETHERNETn_rxbuf_size_qi
OFFSET
(0x4A0 + ((i-1)*0x4))
ACCESS_SIZE
W
MULTIPLE
1:3
NUMERIC_TYPE
OTHER
BIT_OFFSET
31
30
29
28
27
26
25
24
BIT_NAME
Reserved
ACCESS_TYPE
R0,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
BIT_OFFSET
23
22
21
20
19
18
17
16
BIT_NAME
Reserved
ACCESS_TYPE
R0,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
BIT_OFFSET
15
14
13
12
11
10
9
8
BIT_NAME
Reserved
ACCESS_TYPE
R0,WX
PROT_TYPE
Wp
INITIAL_VALUE
0x00
BIT_OFFSET
7
6
5
4
3
2
1
0
BIT_NAME
dma_rx_q_buf_size[7:0]
ACCESS_TYPE
R/W
PROT_TYPE
Wp
INITIAL_VALUE
0xF0
[bit31:8] Reserved
Always read "0". Writing has no effect.
[bit7:0] dma_rx_q_buf_size: DMA receive buffer size in system memory
The value defined by these bits determines the size of the buffer to use in system memory when writing
received data. The value is defined in multiples of 64 bytes.
Bits
Description
0x00
Setting not allowed
0x01
64 Byte
Содержание S6J3200 Series
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