AT32UC3A0512-ALTES ATMEL [ATMEL Corporation], AT32UC3A0512-ALTES Datasheet - Page 58

• Manufacturer Part Number: AT32UC3A0512-ALTES
• Description: AVR32 32-Bit Microcontroller
• Manufacturer: ATMEL [ATMEL Corporation]

12.13 Flash Characteristics
Table 12-27.
32058FS–AVR32–08/08
FWS
Flash Wait States
0
1
Table 12-26. Ethernet MAC RMII Specific Signals
Figure 12-11. Ethernet MAC RMII Mode
The following table gives the device maximum operating frequency depending on the field FWS
of the Flash FSR register. This field defines the number of wait states required to access the
Flash Memory.
Symbol
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EMAC
EREFCK
ETX[1:0]
ERX[1:0]
ECRSDV
ETXEN
ERXER
21
22
23
24
25
26
27
28
Parameter
ETXEN toggling from EREFCK rising
ETX toggling from EREFCK rising
Setup for ERX from EREFCK
Hold for ERX from EREFCK
Setup for ERXER from EREFCK
Hold for ERXER from EREFCK
Setup for ECRSDV from EREFCK
Hold for ECRSDV from EREFCK
Read Operations
2 cycles
1 cycle
EMAC
EMAC
EMAC
23
25
27
EMAC
EMAC
EMAC
26
28
24
Maximum Operating Frequency (MHz)
Min (ns)
33
66
1.5
1.5
1.5
7
7
0
0
0
EMAC
EMAC
AT32UC3A
21
22
Max (ns)
14.5
14.7
58