at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 789

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

41.11.5
Table 41-45. MCI Timings
6384B–ATARM–15-Dec-08
Symbol
MCI
MCI
MCI
MCI
MCI
1
2
3
4
5
MCI
Parameter
CLK frequency at Data transfer Mode
CLK frequency at Identification Mode
CLK Low time
CLK High time
CLK Rise time
CLK Fall time
CLK Low time
CLK High time
CLK Rise time
CLK Fall time
Input hold time
Input setup time
Output change after CLK rising
Output valid before CLK rising
Capacitance loads on data and clock are given in
Figure 41-22. MCI Timings
CMD_DAT Output
CMD_DAT Input
CLK
C= 100 pf
C= 250 pf
C= 100 pf
C= 100 pf
C= 100 pf
C= 100 pf
C= 250 pf
C= 250 pf
C= 250 pf
C= 250 pf
C = 25 pf
CLoad
MCI2
MCI4
AT91SAM9G20 Preliminary
MCI1
Table
MCI3
MCI5
Min
41-45.
10
10
50
50
3
3
5
5
Shaded areas are not valid
Max
400
25
20
20
10
10
50
50
Units
MHz
MHz
MHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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