MPC8544COMEDEV Freescale Semiconductor, MPC8544COMEDEV Datasheet - Page 344

• 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

1
19–21 WR_DATA_DELAY Write command to write data strobe timing adjustment. Controls the amount of delay applied to the
23–25
26–31
DDR Memory Controller
9.4.1.7
The DDR SDRAM control configuration register, shown in
specifies certain operating features such as self refreshing, error checking and correcting, registered
DIMMs, and dynamic power management.
9-20
Offset 0x110
Reset
Reset
Bits
22
For CPO decodings other than 00000 and 11111, ‘READ_LAT’ is rounded up to the next integer value.
W
W
R
R
MEM_EN SREN ECC_EN RD_EN — SDRAM_TYPE
2T_EN
FOUR_ACT
16
0
0
CKE_PLS
Name
DDR SDRAM Control Configuration (DDR_SDRAM_CFG)
—
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
Figure 9-8. DDR SDRAM Control Configuration Register (DDR_SDRAM_CFG)
17
0
1
Table 9-11. TIMING_CFG_2 Field Descriptions (continued)
data and data strobes for writes. See
details.
000 0 clock delay
001 1/4 clock delay
010 1/2 clock delay
011 3/4 clock delay
Reserved
Minimum CKE pulse width (t
000 Reserved
001 1 cycle
010 2 cycles
Window for four activates (t
to 000001 for DDR1.
000000 Reserved
000001 1 cycle
000010 2 cycles
000011 3 cycles
000100 4 cycles
0
2
BA_INTLV_CTL
0
3
0
4
0
5
1
FAW
CKE
). This is applied to DDR2 with eight logical banks only. Must be set
). Can be set to 001 for DDR1.
23
0
7
All zeros
24 25
0 0
8
Section 9.5.7, “DDR SDRAM Write Timing Adjustments,”
—
—
9
100 1 clock delay
101 5/4 clock delay
110 3/2 clock delay
111 Reserved
011 3 cycles
100 4 cycles
101–111 Reserved
...
010011 19 cycles
010100 20 cycles
010101–111111 Reserved
Description
DYN_PWR
Figure
x32_EN
10
26
0
9-8, enables the interface logic and
PCHB8 HSE
11
—
27
0
32_BE 8_BE
12
28
0
Freescale Semiconductor
—
13
29
0
Access: Read/Write
MEM_HALT
NCAP
14
30
0
—
BI
15
31
0
for