MOD5234-100IR NetBurner Inc, MOD5234-100IR Datasheet - Page 343

• Manufacturer Part Number: MOD5234-100IR
• Description: MOD5234 10/100 ETHERNET MODULE
• Manufacturer: NetBurner Inc
• Type: Controllers & Processorsr

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

18.3
The DRAM controller registers memory map is shown in
18.3.1 DRAM Control Register (DCR)
The DCR, shown in
Freescale Semiconductor
Address
Reset
15–14
Bits
13
W
R
Memory Map/Register Definition
0x00_004C
0x00_0040
0x00_0044
0x00_0048
0x00_0050
0x00_0054
15
IPSBAR
0
0
Offset
Name
NAM
14
0
0
—
Figure
NAM COC
—
13
Reserved, should be cleared.
No address multiplexing. Some implementations require external multiplexing. For
example, when linear addressing is required, the SDRAM should not multiplex addresses
on SDRAM accesses.
0 The SDRAM controller multiplexes the external address bus to provide column
1 The SDRAM controller does not multiplex the external address bus to provide column
Figure 18-2. DRAM Control Register (DCR)
DRAM control register (DCR)
addresses.
addresses.
[31:24]
Table 18-3. DRAM Controller Registers
18-2, controls refresh logic.
—
12
Table 18-4. DCR Field Descriptions
—
IS
11
MCF5235 Reference Manual, Rev. 2
DRAM address and control register 0 (DACR0)
DRAM address and control register 1 (DACR1)
—
10
RTIM
DRAM mask register block 0 (DMR0)
DRAM mask register block 1 (DMR1)
[23:16]
—
IPSBAR + 0x00_0040
9
—
8
—
—
Description
7
Table
—
6
[15:8]
18-3.
—
5
RC
—
—
4
Memory Map/Register Definition
—
3
[7:0]
—
2
—
1
—
0
18-5