MCF5207 FREESCALE [Freescale Semiconductor, Inc], MCF5207 Datasheet - Page 33

• Manufacturer Part Number: MCF5207
• Description: Microprocessor Data Sheet
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Figure 20
5.8
Freescale Semiconductor
Num
G1
G2
G3
G4
SD_DQS3/SD_DQS2
SD_DQS3/SD_DQS2
General Purpose I/O Timing
shows the DDR clock crossover specifications.
SD_RAS, SD_CAS
SD_CLK
SD_CLK
SD_CSn, SD_WE,
D[31:24]/D[23:16]
D[31:24]/D[23:16]
FB_CLK High to GPIO Output Valid
FB_CLK High to GPIO Output Invalid
GPIO Input Valid to FB_CLK High
FB_CLK High to GPIO Input Invalid
SD_CLK
SD_CLK
A[13:0]
MCF5208 ColdFire
DD4
Figure 20. DDR Clock Crossover Timing
Characteristic
ROW
CMD
Figure 19. DDR Read Timing
Table 12. GPIO Timing
DD1
®
Microprocessor Data Sheet, Rev. 0.5
DD5
Preliminary
COL
1
CL=2
CL=2.5
DD2
DQS Read
Symbol
Preamble
DD10
t
t
CHPOV
t
CHPOI
t
PVCH
CHPI
DQS Read
DD3
Preamble
Preliminary Electrical Characteristics
WD1 WD2 WD3 WD4
Min
1.5
1.5
—
8
WD1 WD2 WD3 WD4
DD9
V
V
V
IX
MP
IX
Max
—
—
—
8
DQS Read
Postamble
V
ID
DQS Read
Postamble
Unit
ns
ns
ns
ns
33