MPC852TADS Freescale Semiconductor, MPC852TADS Datasheet - Page 53

• Manufacturer Part Number: MPC852TADS
• Description: Networking Modules & Development Tools ADS BOARD FOR 852
• Manufacturer: Freescale Semiconductor
• Type: Network Controller & Processorr

Specifications of MPC852TADS

• Memory Type: Flash, SDRAM
• Interface Type: RS-232, Ethernet, PCMCIA
• Operating Voltage: 1.8 V to 3.3 V
• Operating Temperature Range: 0 C to + 30 C
• Board Size: 233 mm x 150 mm
• Product: Modules
• For Use With/related Products: MPC852T
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

41
A. Resultant addresses lead to adjacent memory cells.
extensive multiplexing (passive or active). If a linear addressing scheme is not mandatory then only minimal multi-
plexing is required in order to support variable port widths.
In
The above table shows that the majority of address lines remain fixed. Only two lines (shaded cells) required switch-
ing. In
multiplexers controlled by the BCSR1/Dram_Half_Word* bit.
TABLE 4-4.
FIGURE 4-2 "DRAM Address Line Switching Scheme"
below, the ADS DRAM address connection scheme is presented:
FIGURE 4-2 DRAM Address Line Switching Scheme
TABLE 4-4. DRAM ADDRESS CONNECTIONS
Freescale Semiconductor, Inc.
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
For More Information On This Product,
DRAMADD
Width
Go to: www.freescale.com
BA(21:29)
Functional Description
BA20
BA30
BA19
BA30
BA29
BA28
BA27
BA26
BA25
BA24
BA23
BA22
BA21
BA20
BA19
MPC852TADS - User’s Manual
4 M
32 - Bit
Depth
BA29
BA28
BA27
BA26
BA25
BA24
BA23
BA22
BA21
BA20
1 M
A(0:8)
A9
A10
BA29
BA28
BA27
BA26
BA25
BA24
BA23
BA22
BA21
BA20
BA30
4 M
the noted switches are implemented by active
DRAM
16 - Bit
Depth
BA29
BA28
BA27
BA26
BA25
BA24
BA23
BA22
BA21
BA30
1 M
Release 1.0