MCF5208EC_08 Datasheet, PDF (33/46 Pages) Freescale Semiconductor, Inc – MCF5208 ColdFire® Microprocessor Data Sheet

Electrical Characteristics
SD_CLK
SD_CLK
SD_CSn, SD_WE,
SD_RAS, SD_CAS
A[13:0]
SD_DQS3/SD_DQS2
D[31:24]/D[23:16]
SD_DQS3/SD_DQS2
DD1
DD2
DD3
DD5
CL=2
CMD
DD4
CL=2.5
ROW
COL
DQS Read
DD9
DQS Read
Preamble
Postamble
DD10
WD1 WD2 WD3 WD4
DQS Read
DQS Read
Preamble
Postamble
D[31:24]/D[23:16]
Figure 19. DDR Read Timing
WD1 WD2 WD3 WD4
5.9 General Purpose I/O Timing
Table 14. GPIO Timing¹
Num
Characteristic
G1 FB_CLK High to GPIO Output Valid
G2 FB_CLK High to GPIO Output Invalid
G3 GPIO Input Valid to FB_CLK High
G4 FB_CLK High to GPIO Input Invalid
NOTES:
1 _{GPIO spec cover: IRQn, UART and Timer pins.}
Symbol Min
t_CHPOV
—
t_CHPOI
1.5
t_PVCH
8
t_CHPI
1.5
Max Unit
8
ns
—
ns
—
ns
—
ns
MCF5208 ColdFire^® Microprocessor Data Sheet, Rev. 2
Freescale Semiconductor
33