MDS213 Datasheet, PDF (81/120 Pages) Zarlink Semiconductor Inc – 12-Port 10/100Mbps + 1Gbps Ethernet Switch

MDS213
18.2.6.2 HMCL0 - HISC Micro-code Loading Port - Low
Access: Non-Zero-Wait-State,
Direct Access, Write/Read
Address: h6C4
Loading micro code into HISC.
31
19
HISC Instruction Word [31:0]
Data Sheet
0
Bit [31:0] HISC Instruction Word [31:0]
HISC Instruction Word has total 40 bit-wide. Needs to
be broken into two registers.
18.2.6.3 HMCL1 - HISC Micro-code Loading Port - High
Access: Non-Zero-Wait-State,
Direct Access,
Write/Read
Address: h6C8
31
87
0
HISC Instruction [39:32]
Bit [7:0] HISC Instruction Word [39:32]
Bit [31:8] Reserved
18.2.6.4 MS0R Micro Sequence 0 Register
Access: Zero-Wait-State,
Direct Access, Write/Read
Address: h6D4
31
24 23
16 15
87
0
DataBit[31:0]
Bit [31:0] Data Bit [31:0] to the sequencer RAM
(The length of Micro Sequence Data is 54-bit, Need to be broken into tow registers)
18.2.6.5 MS0R Micro Sequence 1 Register
Access: Zero-Wait-State,
Direct Access,
Write/Read
Address:
h6D8
31 29 28
Cnt
20 19
0
Data bit[51:32]
Bit [19:0] Data Bit [51:32] to the sequencer RAM
Bit [31:29] CNT Control bits
(Write only bits)
000 NOP
81
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