NNDK-MOD5272-KIT NetBurner Inc, NNDK-MOD5272-KIT Datasheet - Page 434

• Manufacturer Part Number: NNDK-MOD5272-KIT
• Description: KIT DEVELOP NETWORK FOR MOD5272
• Manufacturer: NetBurner Inc
• Series: ColdFire®r

Specifications of NNDK-MOD5272-KIT

• Main Purpose: *
• Embedded: *
• Utilized Ic / Part: MOD5272
• Primary Attributes: *
• Secondary Attributes: *
• Processor To Be Evaluated: MOD5272
• Interface Type: RS-232, RS-485, USB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 528-1001

Bus Control Signals
Table 19-6 shows how BS[3:0] should be connected to DQMx for 16- and 32-bit SDRAM
configurations.
19-20
Table 19-5. Byte Strobe Operation for 16-Bit Data Bus—SDRAM Cycles
Table 19-4. Byte Strobe Operation for 16-Bit Data Bus—SRAM Cycles
In 16-bit bus mode, longword accesses are performed as two
sequential word accesses.
Table 19-3. Byte Strobe Operation for 32-Bit Data Bus
BS3 BS2 BS1 BS0
1
1
1
1
0
1
0
0
1
1
1
0
1
0
0
1
1
1
0
1
1
0
0
1
1
0
1
1
0
0
1
1
0
1
1
0
1
0
1
0
1
1
0
1
0
BS1 BS0 Access Size Data Located On
BS3 BS2
1
1
0
0
1
1
0
0
1
0
1
1
1
0
1
0
0
1
1
1
0
1
0
1
0
1
0
1
0
1
0
MCF5272 User’s Manual
FLASH/SRAM
FLASH/SRAM
FLASH/SRAM
FLASH/SRAM
FLASH/SRAM
FLASH/SRAM
FLASH/SRAM
Access Type
SDRAM
SDRAM
SDRAM
SDRAM
SDRAM
SDRAM
SDRAM
None
Access
None
None
Word
Type
Word
Byte
Byte
Byte
Byte
NOTE
Access Size Data Located On
Data Located On
Longword
Longword
None
Word
Word
Byte
Byte
D[31:24]
D[23:16]
D[31:16]
D[23:16]
D[31:24]
D[31:16]
—
—
D[31:24]
D[23:16]
D[31:16]
D[23:16]
D[31:24]
D[31:16]
D[15:8]
D[15:0]
D[31:0]
D[15:8]
D[15:0]
D[31:0]
D[7:0]
D[7:0]
—
MOTOROLA