MPC8544COMEDEV Freescale Semiconductor, MPC8544COMEDEV Datasheet - Page 709
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MPC8544COMEDEV
Manufacturer Part Number
MPC8544COMEDEV
Description
KIT DEV EXPRESS MPC8544COM
Manufacturer
Freescale Semiconductor
Type
MPUr
Datasheets
1.MPC8544VTALF.pdf
(117 pages)
2.MPC8544VTALF.pdf
(2 pages)
3.MPC8544VTALF.pdf
(1340 pages)
Specifications of MPC8544COMEDEV
Contents
Board
For Use With/related Products
MPC8544
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Consider the following SDRAM organization:
The logical address is partitioned as shown in
The following parameters are extracted:
During the address phase, the SDRAM address port is set as shown in
Because the internal bank selects are multiplexed over LA[15:16], LSDMR[BSMA] must be set to 011.
Table 14-36
Freescale Semiconductor
msb of start address
•
•
•
•
The 32-bit port size is organized as 8 × 8 × 32 Mbits.
Each device has 4 internal banks, 13 row address lines, and 10 column address lines.
COLS = 011, 10 column lines
ROWS = 100, 13 row lines
LA[0:14]
msb of start address
shows the address port configuration during a READ/WRITE command.
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Table 14-36. SDRAM Device Address Port During READ/WRITE Command
Table 14-33. LAD n Signal Connections to 128-Mbyte SDRAM (continued)
A[0:4]
LA[0:14]
Table 14-35. SDRAM Device Address Port During Address Phase
—
Internal bank select
LA[15:16]
LAD (Latch Address)
Table 14-34. Logical Address Bus Partitioning
LAD19 (no connect)
Internal bank select A[18:19]
A[5:17]
Row
LAD21
LAD20
LAD18
LAD17
LAD16
LAD15
LA[15:16]
LA[17:18]
Don’t care
Table
Bank select
A[18:19]
BA0 (if LSDMR[BSMA] = 011)
BA1 (if LSDMR[BSMA] = 011)
A10 is connected to LSDA10
14-34.
SDRAM Address Signal
A11
A12
Row A[5:17]
A8
A9
LA[19]
LA[17:29]
AP
A[20:29]
Column
Table
14-35.
LA[20:29]
Column
No connect
LA[30:31]
A[30:31]
lsb
Local Bus Controller
No connect
LA[30:31]
14-89
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