MPC8544COMEDEV Freescale Semiconductor, MPC8544COMEDEV Datasheet - Page 1188
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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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Global Utilities
Table 19-24
19.4.1.22 DDR Clock Disable Register (DDRCLKDR)
Shown in
SDRAM controller.
Table 19-24
19-22
Offset 0xE_0B28
Reset
0–25
W
Bits
R
26
27
28
29
0
13–31
Figure
Bits
2–5
6–9
10
11
12
0
1
describes the bit settings of DDRCDR.
describes the bit settings of DDRCLKDR.
MPC8544E PowerQUICC III Integrated Host Processor Family Reference Manual, Rev. 1
MCK0_DIS
MCK1_DIS
MCK2_DIS
MCK3_DIS
19-22, the DDRCLKDR contains bits that allow disabling the clocks of the DDR
Name
DSO_PZ_OE
DSO_NZ_OE
—
DHC_EN
DSO_EN
DSO_NZ
DSO_PZ
Name
ODT
—
—
Figure 19-22. DDR Clock Disable Register (DDRCLKDR)
Reserved
DDR clock 0 disable
0 MCK0 is enabled.
1 MCK0 is disabled.
DDR clock 1 disable
0 MCK1 is enabled.
1 MCK1 is disabled.
DDR clock 2 disable
0 MCK2 is enabled.
1 MCK2 is disabled.
DDR clock 3 disable
0 MCK3 is enabled.
1 MCK3 is disabled.
Table 19-25. DDRCLKDR Field Descriptions
Table 19-24. DDRCDR Field Descriptions
DDR driver hardware compensation enable
DDR driver software override enable
DDR driver software p-impedance override
DDR driver software n-impedance override
DDR driver software p-impedance OE
DDR driver software n-impedance OE
ODT termination value for IOs
0 ODT termination of 75 ohms
1 ODT termination of 150 ohms
Reserved
25
MCK0_DIS MCK1_DIS MCK2_DIS MCK3_DIS MCK4_DIS MCK5_DIS
26
All zeros
27
Description
Description
28
29
Freescale Semiconductor
Access: Read/Write
30
31
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