MOD5234-100IR NetBurner Inc, MOD5234-100IR Datasheet - Page 222
![MOD5234 10/100 ETHERNET MODULE](/photos/28/91/289101/mod-100ir_sml.jpg)
MOD5234-100IR
Manufacturer Part Number
MOD5234-100IR
Description
MOD5234 10/100 ETHERNET MODULE
Manufacturer
NetBurner Inc
Type
Controllers & Processorsr
Datasheets
1.MOD5272-100IR.pdf
(3 pages)
2.MOD5234-100IR.pdf
(4 pages)
3.MOD5234-100IR.pdf
(754 pages)
Specifications of MOD5234-100IR
Interface
I²C, SPI, UART
Voltage - Supply
2.5V
Mounting Type
Surface Mount
Package / Case
Module
Product
Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Format
-
Baud Rates
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
Q4483564
- Current page: 222 of 754
- Download datasheet (13Mb)
System Control Module (SCM)
The initial state of the master priorities is M3 > M2 > M1 > M0. System software should guarantee
that the programmed Mn_PRTY fields are unique, otherwise the hardware defaults to the
initial-state priorities.
11.4 System Access Control Unit (SACU)
This section details the functionality of the System Access Control Unit (SACU) which provides
the mechanism needed to implement secure bus transactions to the address space mapped to the
internal modules.
11-12
23–22
21–20
19–18
17–15
11–8
Bits
7–0
24
14
13
12
M3_PRTY Master priority level for master 3 (Fast Ethernet Controller)
M2_PRTY Master priority level for master 2 (DMA Controller)
M0_PRTY Master priority level for master 0 (ColdFire Core)
PRKLAST
LCKOUT_
TIMEOUT
FIXED
Name
TIME
—
—
—
Table 11-6. MPARK Field Description (Continued)
Reserved, should be cleared.
00 fourth (lowest) priority
01 third priority
10 second priority
11 first (highest) priority
00 fourth (lowest) priority
01 third priority
10 second priority
11 first (highest) priority
00 fourth (lowest) priority
01 third priority
10 second priority
11 first (highest) priority
Reserved, should be cleared.
Fixed or round robin arbitration
0 round robin arbitration
1 fixed arbitration
Timeout Enable
0 disable count for when a master is locked out by other masters.
1 enable count for when a master is locked out by other masters and allow access when
Park on the last active master or highest priority master if no masters are active
0 park on last active master
1 park on highest priority master
Lock-out Time. Lock-out time for a master being denied the bus.
The lock out time is defined as 2^ LCKOUT_TIME[3:0].
Reserved, should be cleared.
LCKOUT_TIME is reached.
MCF5235 Reference Manual, Rev. 2
Description
Freescale Semiconductor
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