MPC8313EZQADDC Freescale Semiconductor, MPC8313EZQADDC Datasheet - Page 447
MPC8313EZQADDC
Manufacturer Part Number
MPC8313EZQADDC
Description
Microprocessors - MPU 8313 REV2.2 PB W/ENC
Manufacturer
Freescale Semiconductor
Datasheet
1.MPC8313CZQADDC.pdf
(1214 pages)
Specifications of MPC8313EZQADDC
Processor Series
MPC8313E
Core
e300
Data Bus Width
16 bit
Maximum Clock Frequency
133 MHz
Program Memory Size
16 KB
Data Ram Size
16 KB
Interface Type
I2C
Mounting Style
SMD/SMT
Package / Case
PBGA
Number Of Programmable I/os
32
Number Of Timers
4
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DDR Memory Controller
9.6.2
DDR SDRAM Initialization Sequence
After configuration of all parameters is complete, system software must set
DDR_SDRAM_CFG[MEM_EN] to enable the memory interface. Note that 200 μs must elapse after
DRAM clocks are stable (DDR_SDRAM_CLK_CNTL[CLK_ADJUST] is set and any chip select is
enabled) before MEM_EN can be set, so a delay loop in the initialization code may be necessary if
software is enabling the memory controller. If DDR_SDRAM_CFG[BI] is not set, the DDR memory
controller conducts an automatic initialization sequence to the memory, which follows the memory
specifications. If the bypass initialization mode is used, then software can initialize the memory through
the DDR_SDRAM_MD_CNTL register.
MPC8313E PowerQUICC™ II Pro Integrated Processor Family Reference Manual, Rev. 2
Freescale Semiconductor
9-53
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