at91cap7e ATMEL Corporation, at91cap7e Datasheet - Page 153
at91cap7e
Manufacturer Part Number
at91cap7e
Description
Customizable Microcontroller
Manufacturer
ATMEL Corporation
Datasheet
1.AT91CAP7E.pdf
(520 pages)
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Figure 21-23. TDF Optimization Disabled (TDF Mode = 0). TDF wait states between 2 read accesses on different chip
Figure 21-24. TDF Mode = 0: TDF wait states between a read and a write access on different chip selects
8549A–CAP–10/08
read1 controlling signal
read2 controlling signal
write2 controlling signal
read1 controlling signal
NBS0, NBS1,
NBS2, NBS3,
A0, A1
NBS0, NBS1,
NBS2, NBS3,
A0, A1
A [25:2]
A[ 25:2]
D[31:0]
D[31:0]
(NRD)
(NRD)
(NWE)
(NRD)
selects
MCK
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
AT91CAP7E
(optimization disabled)
TDF_MODE = 0
read2 setup = 1
read 2 cycle
153
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