參數(shù)資料
型號: KS8993FL
廠商: Micrel Inc
文件頁數(shù): 65/99頁
文件大?。?/td> 0K
描述: IC CONV MED 10/100 SGL 128PQFP
標(biāo)準(zhǔn)包裝: 66
系列: *
類型: *
應(yīng)用: *
安裝類型: 表面貼裝
封裝/外殼: 128-BFQFP
供應(yīng)商設(shè)備封裝: 128-PQFP(14x20)
包裝: 管件
配用: 576-1012-ND - BOARD EVAL EXPERIMENT KS8993F
KS8993F
Micrel
August 26, 2004
Revision 1.0
- 68 -
Register 68 (0x44): Loop Back Setup1
Bit
Name
R/W
Description
Default
7
T7
R/W
0
6
T6
R/W
0
5
T5
R/W
0
4
T4
R/W
0
3
T3
R/W
0
2
T2
R/W
1
T1
R/W
1
0
T0
R/W
Center and Terminal sides
0000_0000 : Clear valid transmit and valid receive counters in registers
4Dh
and 4Eh. Also for center side, clear loop back counters
in
registers 46h, 47h and 48h.
Center side only
0000_0001 : Send 1 MC loop back packet
0000_0010 : Send 2 MC loop back packets
:
0000_0111 : Send 7 MC loop back packets (default)
:
0110_0100 : Send 100 MC loop back packets
other values (0x65h to 0xFFh) : N/A
1
Register 69 (0x45): Loop Back Setup2
Bit
Name
R/W
Description
Default
7
P7
R/W
0
6
P6
R/W
0
5
P5
R/W
0
4
P4
R/W
0
3
P3
R/W
0
2
P2
R/W
0
1
P1
R/W
0
P0
R/W
Center side only
Use to select pattern for MC loop back packet
0000_0000 : 64 bytes
DA: Unicast
Data: 55AA
0000_0001 : 1518 bytes
DA: Unicast
Data: 55AA
0000_0010 : 64 bytes
DA: Broadcast Data: 55AA
0000_0100 : 1518 bytes
DA: Broadcast Data: 55AA
0000_1000 : 64 bytes
DA: Unicast
Data: 0F0F
0001_0000 : 1518 bytes
DA: Unicast
Data: 0F0F
0010_0000 : 64 bytes
DA: Broadcast Data: 0F0F
0100_0000 : 1518 bytes
DA: Broadcast Data: 0F0F
1000_0000 : 1518 bytes
DA: Broadcast Data: FF00
other values : N/A
where the packet’s:
DA is [Register #52h][Register #53h][Register #54h]
[Register #55h][Register #56h]([Register #57h] + 1).
And the last byte ([Register #57h] + 1) increments repeatedly by 1
for
the next loop back packet.
SA is [Register #52h][Register #53h][Register #54h]
[Register #55h][Register #56h][Register #57h]
Type/length is 0x0800h
0
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