MSC8156 Freescale Semiconductor, Inc, MSC8156 Datasheet - Page 59

• Manufacturer Part Number: MSC8156
• Description: Six-core Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

3.5.1.2
Table 41
3.5.1.3
When the error code correction mechanism is not used in any 32- or 64-bit DDR configuration, refer to
the correct pin connections.
Freescale Semiconductor
MDQ[31–0]
MDQ[63–32]
MDQS[3–0]
MDQS[7–4]
MDQS[3–0]
MDQS[7–4]
MA[15–0]
MCK[2–0]
MCK[2–0]
MCS[1–0]
MDM[3–0]
MDM[7–4]
MBA[2–0]
MCAS
MCKE[1–0]
MODT[1–0]
MMDIC[1–0]
MRAS
MWE
MVREF
GVDD1/GVDD2
Notes:
MECC[7–0]
MDM8
MDQS8
MDQS8
Notes:
lists unused pin connection when using 32-bit DDR memory. The 32 most significant data lines are not used.
1.
2.
1.
2.
For the signals listed in this table, the initial M stands for M1 or M2 depending on which DDR controller is not used.
For MSC8156 Revision 1 silicon, these pins were connected to GND (or VDD). For newer revisions of the MSC8156,
connecting these pins to GND increases device power consumption.
For the signals listed in this table, the initial M stands for M1 or M2 depending on which DDR controller is not used.
For MSC8156 Revision 1 silicon, these pins were connected to GND (or VDD). For newer revisions of the MSC8156,
connecting these pins to GND increases device power consumption.
Table 41. Connectivity of DDR Related Pins When Using 32-bit DDR Memory Only
DDR Interface Is Used With 32-Bit DDR Memory Only
ECC Unused Pin Connections
Signal Name
Signal Name
MSC8156 Six-Core Digital Signal Processor Data Sheet, Rev. 1
Table 42. Connectivity of Unused ECC Mechanism Pins
Pin connection
Pin Connection
Hardware Design Considerations
in use
in use
in use
in use
in use
in use
in use
in use
in use
in use
in use
in use
in use
in use
in use
in use
in use
NC
NC
NC
NC
NC
NC
NC
NC
Table 42
to determine
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