AT91SAM9G10-EK Atmel, AT91SAM9G10-EK Datasheet - Page 182

• Manufacturer Part Number: AT91SAM9G10-EK
• Description: KIT DEV FOR SAM9G10 ARM
• Manufacturer: Atmel
• Type: MCUr

Specifications of AT91SAM9G10-EK

• Contents: Board, Cables, Power Supply
• Silicon Manufacturer: Atmel
• Core Architecture: AVR
• Kit Contents: Board
• Svhc: No SVHC (15-Dec-2010)
• Mcu Supported Families: AT91SAM9G10, ARM926EJ-S
• Tool / Board Applications: Microcontroller
• Rohs Compliant: Yes
• For Use With/related Products: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 22-23. TDF Optimization Disabled (TDF Mode = 0). TDF wait states between 2 read accesses on different chip
Figure 22-24. TDF Mode = 0: TDF wait states between a read and a write access on different chip selects
182
read1 controlling signal
read2 controlling signal
write2 controlling signal
read1 controlling signal
NBS0, NBS1,
NBS2, NBS3,
A0, A1
NBS0, NBS1,
NBS2, NBS3,
A0, A1
AT91SAM9G10
A
[25:2]
D[31:0]
A[
D[31:0]
(NRD)
(NRD)
(NWE)
(NRD)
selects
MCK
25:2]
MCK
TDF_CYCLES = 6
TDF_CYCLES = 4
read1 cycle
read1 cycle
read1 hold = 1
read1 hold = 1
Chip Select Wait State
TDF_CYCLES = 4
Read to Write
Wait State
TDF_CYCLES = 6
Chip Select
Wait State
2 TDF WAIT STATES
5 TDF WAIT STATES
write2 setup = 1
(optimization disabled)
TDF_MODE = 0
write2 cycle
(optimization disabled)
6462A–ATARM–03-Jun-09
TDF_MODE = 0
read2 setup = 1
read 2 cycle