AT91M40800-33AI SL383 Atmel, AT91M40800-33AI SL383 Datasheet - Page 32
AT91M40800-33AI SL383
Manufacturer Part Number
AT91M40800-33AI SL383
Description
IC ARM MCU 16BIT 100TQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheets
1.AT91M40800-33AU.pdf
(18 pages)
2.AT91R40807-33AI.pdf
(153 pages)
3.AT91M40800-33AI.pdf
(21 pages)
Specifications of AT91M40800-33AI SL383
Core Processor
ARM7
Core Size
16/32-Bit
Speed
33MHz
Connectivity
EBI/EMI, UART/USART
Peripherals
POR, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Other names
AT91M4080033AISL3
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- Download datasheet (2Mb)
Chip Select Change Wait
States
32
AT91X40 Series
Additional constraints are applicable to the AT91R40807, the AT91M40807 and the
AT91 40800. The behavior of the EBI is correct when NWAIT is asserted during an
external memory access:
•
•
These constraints are not applicable to the AT91R40008.
A chip select wait state is automatically inserted when consecutive accesses are made
to two different external memories (if no wait states have already been inserted). If any
wait states have already been inserted, (e.g., data float wait) then none are added.
Figure 21. Chip Select Wait
Notes:
When NWAIT is asserted before the first rising edge of MCKI
When NWAIT is de-asserted and at least one standard wait state remains to be
executed
1. Early Read Protocol
2. Standard Read Protocol
NCS1
NCS2
NWE
NRD
MCK
(1)
Mem 1
(2)
Chip Select Wait
Mem 2
1354D–ATARM–08/02
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