MOD5272-100IR NetBurner Inc, MOD5272-100IR Datasheet - Page 254
![PROCESSOR MODULE FLASH MOD5272](/photos/6/75/67555/mod5272-100ir_sml.jpg)
MOD5272-100IR
Manufacturer Part Number
MOD5272-100IR
Description
PROCESSOR MODULE FLASH MOD5272
Manufacturer
NetBurner Inc
Type
Controllers & Processorsr
Datasheets
1.MOD5272-100IR.pdf
(2 pages)
2.MOD5272-100IR.pdf
(3 pages)
3.MOD5272-100IR.pdf
(550 pages)
Specifications of MOD5272-100IR
Module/board Type
Processor Module
Ethernet Connection Type
10/100 Ethernet Port RJ-45
Operating Voltage
3.3 V
Product
Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
MOD5272
For Use With
528-1001 - KIT DEVELOP NETWORK FOR MOD5272
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
528-1008
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Programming Model
11.5.22 Initialization Sequence
This section describes which registers and RAM locations are reset due to hardware reset,
which are reset due to the FEC reset, and what locations the user must initialize before
enabling the FEC.
As soon as the FEC is initialized and enabled, it operates autonomously. Typically, the
driver writes only to RDAR, TDAR, and EIR during operation.
11.5.22.1 Hardware Initialization
In the FEC, hardware resets only those registers that generate interrupts to the MCF5272
processor or cause conflict on bidirectional buses. The registers are reset due to a hardware
reset.
Other registers reset whenever the ETHER_EN bit is cleared. Clearing ETHER_EN
immediately stops all DMA and transmit activity after a bad CRC is sent, as shown in
Table 11-31
11.5.23 User Initialization (Prior to Asserting ETHER_EN)
The user must initialize portions the FEC prior to setting the ETHER_EN bit. The exact
11-30
System
User
User/System
31–11
10–4
Bits
3–0
System
User
Table 11-29. EMRBR Field Descriptions
Table 11-30. Hardware Initialization
R_BUFF_SIZE
Table 11-31. ETHER_EN = 0
Name
XMIT block
DMA block
—
—
Register/Machine
MII State Machine
Location
RDAR
TDAR
MCF5272 User’s Manual
MSCR
EIMR
ECR
EIR
Reserved, should be cleared.
Receive buffer size.
Reserved, should be cleared.
Prevent conflict on MMFR
All DMA activity is terminated
Description
Transmission is Aborted
Reset Value
Cleared
Cleared
Cleared
Cleared
Cleared
Cleared
Effect
MOTOROLA
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