Datasheet

1070
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
46.17.3.2 Timing Extraction
Figure 46-21.ISI Timing Diagram
46.17.4 HSMCI
The High Speed MultiMedia Card Interface (HSMCI) supports the MultiMedia Card (MMC) Specification V4.3, the SD
Memory Card Specification V2.0, the SDIO V2.0 specification and CE-ATA V1.1.
46.17.5 EMAC
46.17.5.1 Timing conditions
Table 46-40. ISI Timings with Peripheral Supply 3.3V
Symbol Parameter Min Max Units
ISI
1
DATA/VSYNC/HSYNC setup time T
PIXCLK
/2 + 0.3 ns
ISI
2
DATA/VSYNC/HSYNC hold time -T
PIXCLK
/2 - 3.4 ns
ISI
3
PIXCLK frequency 54 MHz MHz
PIXCLK
DATA[7:0]
VSYNC
HSYNC
Valid Data
Valid Data Valid Data
1 2
3
Table 46-41. ISI Timings with Peripheral Supply 1.8V
Symbol Parameter Min Max Units
ISI
1
DATA/VSYNC/HSYNC setup time T
PIXCLK
/2 + 0.5 ns
ISI
2
DATA/VSYNC/HSYNC hold time -T
PIXCLK
/2 - 3.6 ns
ISI
3
PIXCLK frequency 54 MHz MHz
Table 46-42. Capacitance Load on data, clock pads
Corner
Supply MAX STH MIN
3.3V 20pf 20pf 0pf
1.8V 20pf 20pf 0pf