MOD5234-100IR NetBurner Inc, MOD5234-100IR Datasheet - Page 215
![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: 215 of 754
- Download datasheet (13Mb)
The physical base address programmed in both copies of the RAMBAR is typically the same
value; however, they can be programmed to different values. By definition, the base address must
be a 0-modulo-size value.
The SRAM module is configured through the RAMBAR shown in
Freescale Semiconductor
• RAMBAR specifies the base address of the SRAM.
• All undefined bits are reserved. These bits are ignored during writes to the RAMBAR and
• The back door enable bit, RAMBAR[BDE], is cleared at reset, disabling the DMA module
Address
Reset
Reset
31–16
15–10
return zeros when read.
access to the SRAM.
Bits
8–0
9
W
W
R
R
31
15
0
0
0
Name
BDE
30
14
0
0
0
BA
Figure 11-2. Memory Base Address Register (RAMBAR)
—
—
29
13
0
0
0
Base address. Defines the memory module's base address on a 64-Kbyte boundary
corresponding to the physical array location within the 4 Gbyte address space supported
by ColdFire.
Reserved, should be cleared.
Back door enable. Qualifies the DMA module accesses to the SRAM memory.
0 Disables DMA module accesses to the SRAM module.
1 Enables DMA module accesses to the SRAM module.
NOTE: The SPV bit in the CPU’s RAMBAR must also be set to allow dual port access to
the SRAM. For more information, see
(RAMBAR).”
Reserved, should be cleared.
Table 11-3. RAMBAR Field Description
28
12
0
0
0
27
11
0
0
0
MCF5235 Reference Manual, Rev. 2
26
10
0
0
0
BDE
25
0
0
9
IPSBAR + 0x008
24
0
0
0
8
BA
23
Section 6.2.1, “SRAM Base Address Register
Description
0
0
0
7
22
0
6
0
0
21
0
0
0
5
Figure
20
0
0
0
4
Memory Map/Register Definition
11-2.
19
0
0
0
3
18
0
0
0
2
17
0
0
0
1
16
0
0
0
0
11-5
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