MPC8308VMAGD Freescale Semiconductor, MPC8308VMAGD Datasheet - Page 357

• Manufacturer Part Number: MPC8308VMAGD
• Description: MPU POWERQUICC II PRO 473MAPBGA
• Manufacturer: Freescale Semiconductor

Specifications of MPC8308VMAGD

• Processor Type: MPC83xx PowerQUICC II Pro 32-Bit
• Speed: 400MHz
• Voltage: 1V
• Mounting Type: Surface Mount
• Package / Case: 473-MAPBGA
• Product: Network Processor
• Data Rate: 256 bps
• Frequency: 400 MHz
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Supply Current (max): 5 uA
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: 0 C
• Interface: I2C, JTAG, SPI
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Figure 9-31
Figure 9-32
Figure 9-33
four 8M × 8 DDR modules for a total of 64 Mbytes of system memory. One of the nine modules is used
for the memory’s ECC checking function. Certain address and control lines may require buffering.
Analysis of the device’s AC timing specifications, desired memory operating frequency, capacitive loads,
Freescale Semiconductor
shows an example DDR SDRAM configuration with four logical banks.
shows some typical signal connections.
shows an example DDR SDRAM configuration with two physical banks each comprised of
MCS, MRAS, MCAS, MWE
Figure 9-31. Typical Dual Data Rate SDRAM Internal Organization
BANK ADDR
CKE, MCK, MCK
MPC8308 PowerQUICC II Pro Processor Reference Manual, Rev. 0
COMMAND:
MRAS
MCAS
ADDR
‘SUB’
MWE
MCS
MCK
MCK
Figure 9-32. Typical DDR SDRAM Interface Signals
CKE
BA1,BA0
DM
ADDR
DQM
13
2
SDRAM
Control
A[12:0]
BA[1:0]
Write Enable
64M x 1 Byte
Command
Bus
CK
512 Mbit
Data-Out Registers
Logical
Bank 0
DQ[7:0]
DQS
Logical
Bank 1
Read Data Latch
MUX, MASK,
Data Bus
8
Logical
Bank 2
Data-In Registers
DATA
DATA
STROBE
Logical
Bank 3
DDR Memory Controller
9-39