MPC8544COMEDEV Freescale Semiconductor, MPC8544COMEDEV Datasheet - Page 393

• Manufacturer Part Number: MPC8544COMEDEV
• Description: KIT DEV EXPRESS MPC8544COM
• Manufacturer: Freescale Semiconductor
• Type: MPUr

Specifications of MPC8544COMEDEV

• Contents: Board
• For Use With/related Products: MPC8544
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

9.6.1
Depending on the memory type used, certain fields must be programmed differently.
the differences in certain fields for different memory types. Note: This table does not list all fields that must
be programmed.
Freescale Semiconductor
DDR_SDRAM_CLK_CNTL Clock adjust
DDR_SDRAM_INTERVAL
DDR_SDRAM_MODE_2
ODT_RD_CFG
DDR_INIT_EXT_ADDR
DDR_SDRAM_CFG_2
DDR_SDRAM_MODE
Parameter
DDR_SDRAM_CFG
DDR_INIT_ADDR
AP n _EN
DDR_DATA_INIT
Table 9-53. Memory Interface Configuration Register Initialization Parameters (continued)
Name
Programming Differences Between Memory Types
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Chip Select n Auto
Precharge Enable
Chip Select ODT Read
Configuration
Table 9-54. Programming Differences Between Memory Types
Description
Control configuration
Control configuration
Mode configuration
Mode configuration
Interval configuration
Data initialization configuration
register
Initialization address
Extended initialization address
Description
DDR1
DDR2
DDR1
DDR2
Can be used to place chip select n in auto
precharge mode
Can be used to place chip select n in auto
precharge mode
Should always be set to 000
could be set differently depending on system
topology. However, systems with only 1 chip select
will typically not use ODT when issuing reads to
the memory.
Can be enabled to assert ODT if desired. This
SDRAM_TYPE
DLL_RST_DIS
DYN_PWR
DQS_CFG
Differences
ODT_CFG
ECC_EN
RD_EN
32_BE
SR_IE
SREN
8_BE
DBW
INIT_EXT_ADDR
CLK_ADJUST
ESDMODE2
ESDMODE3
INIT_VALUE
INIT_ADDR
ESDMODE
Parameter
BSTOPRE
SDMODE
REFINT
BA_INTLV_CTL
NUM_PR
x32_EN
2T_EN
D_INIT
NCAP
HSE
BI
Table 9-54
DDR Memory Controller
Section/page
Section/page
9.4.1.2/9-11
9.4.1.2/9-11
9.4.1.10/9-26
9.4.1.12/9-29
9.4.1.13/9-29
9.4.1.14/9-30
9.4.1.15/9-30
9.4.1.16/9-31
9.4.1.7/9-20
9.4.1.8/9-23
9.4.1.9/9-25
illustrates
9-69