at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 780
at91sam9g20-cu
Manufacturer Part Number
at91sam9g20-cu
Description
At91 Arm Thumb Microcontrollers
Manufacturer
ATMEL Corporation
Datasheet
1.AT91SAM9G20-CU.pdf
(814 pages)
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Table 41-36. RMII Mode
41.11.2
780
Symbol
EMAC
EMAC
EMAC
26
27
28
AT91SAM9G20 Preliminary
SPI
Parameter
Hold for ERXER from EREFCK rising
Setup for ECRSDV from EREFCK rising
Hold for ECRSDV from EREFCK rising
Figure 41-6. EMAC RMII Timings
Timings are given assuming a capacitance load on
Table 41-37. Capacitance Load for MISO, SPCK and MOSI
Figure 41-7. SPI Master Mode with (CPOL = 0 and NCPHA = 1) or (CPOL =1 and NCPHA = 0)
Supply
1.8V
SPCK
MISO
MOSI
EREFCK
ETX[1:0]
ERX[1:0]
ECRSDV
ETXEN
ERXER
Corner
MAX
20 pF
EMAC
EMAC
EMAC
SPI
23
25
27
2
EMAC
EMAC
EMAC
26
28
24
SPI
0
MISO, SPCK and MOSI
SPI
1
Min (ns)
2
4
2
EMAC
EMAC
:
21
22
6384B–ATARM–15-Dec-08
Max (ns)
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