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DS33Z41 Quad IMUX Ethernet Mapper
152 of 167
Figure 11-8. SDRAM Interface Timing
SDCLKO
(output)
SDATA
(output)
t1
SDATA
(input)
S
RAS
,
S
CAS
,
S
WE
,
S
DC
S
(output)
t2
t3
t5
t6
t7
t8
t10
t9
SDA, SBA
(output)
SDMASK
(output)
t4
t12
t11
t14
t13
1
2
...
147
148
149
150
151
152
153
154
155
156
157
...
166
167
DS33Z41
1
Quad IMUX Ethernet Mapper
1
TABLE OF CONTENTS
2
LIST OF FIGURES
5
LIST OF TABLES
6
1 DESCRIPTION
7
2 FEATURE HIGHLIGHTS
8
2.6 SDRAM Interface
9
2.7 MAC Interface
9
2.9 Test and Diagnostics
9
3 APPLICATIONS
11
4 ACRONYMS AND GLOSSARY
12
5 MAJOR OPERATING MODES
13
6 BLOCK DIAGRAMS
13
7 PIN DESCRIPTIONS
14
8 FUNCTIONAL DESCRIPTION
22
8.1 Processor Interface
23
8.2 Clock Structure
24
Table 8-2. Reset Functions
27
8.5 Global Resources
28
8.6 Per-Port Resources
28
8.7 Device Interrupts
29
8.8 Serial Interface
31
8.9 Link Aggregation (IMUX)
31
Sequence 01
32
Sequence 02
32
8.9.2 IMUX Command Protocol
34
8.9.4 Data Transfer
36
8.10 Connections and Queues
37
8.11 Arbiter
38
8.12 Flow Control
39
8.13.1 DTE and DCE Mode
43
8.14 Ethernet MAC
46
Figure 8-10. RMII Interface
47
8.15 BERT
48
LoadVerify
49
MatchVerify
50
802.3 MAC Frame
55
Rate Adaption
55
9 DEVICE REGISTERS
60
9.1 Register Bit Maps
61
9.1.3 BERT Register Bit Map
62
LI.TRX86SAPI
63
LI.TRX86SAPIL
63
TQOVFLS
64
9.1.6 MAC Register Bit Map
66
9.3 Arbiter Registers
81
9.4 BERT Registers
82
9.5.4 X.86 Registers
97
9.6.2 MAC Registers
124
10 FUNCTIONAL TIMING
140
RXD[3:0]
141
P R E A E M B L E
141
11 OPERATING PARAMETERS
142
TXD[3:0]
144
TXD[1:0]
146
RXD[1:0]
147
11.7 SDRAM Timing
151
LINK 4, CHANNEL 32
153
LINK 1, CHANNEL 1
153
LINK 2, CHANNEL 1
153
Address Valid
156
Data Valid
156
12 JTAG INFORMATION
159
Capture-IR
161
12.2 Instruction Register
162
12.3 JTAG ID Codes
164
12.4 Test Registers
164
12.5 JTAG Functional Timing
165
13 PACKAGE INFORMATION
166
14 DOCUMENT REVISION HISTORY
167
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