MCF5272VF66 Freescale, MCF5272VF66 Datasheet - Page 207

• Manufacturer Part Number: MCF5272VF66
• Manufacturer: Freescale

Specifications of MCF5272VF66

• Family Name: MCF5xxx
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 66MHz
• Instruction Set Architecture: RISC
• Supply Voltage 1 (typ): 3.3V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 196
• Package Type: MA-BGA
• Lead Free Status / RoHS Status: Not Compliant

Figure 9-10
controller takes a clock cycle (T2) to determine whether the access is a hit or a miss. Because it is a hit,
the burst operation follows immediately.
Freescale Semiconductor
A10_PRECHG
SDADR[13:0]
shows a similar burst read that hits the page. As in the page-miss example, the SDRAM
SDBA[1:0]
SDCLKE
SDCLK
BS[3:0]
D[31:0]
SDWE
SDCS
RAS0
CAS0
Figure 9-10. SDRAM Burst Read, 32-Bit Port, Page Hit, Access = 5-1-1-1
T0
MCF5272 ColdFire
CF2 Core
T1
Address
Issue
T2
Miss?
Page
Hit or
®
Integrated Microprocessor User’s Manual, Rev. 3
T3
Read
1
Col
T4
Read
Col
2
Bank
T5
Read
Data
3
Col
T6
Read
Data
Col
4
T7
Data
T8
Data
SDRAM Controller
T9
9-17