AT91SAM7SE512B-AUR Atmel, AT91SAM7SE512B-AUR Datasheet - Page 172
AT91SAM7SE512B-AUR
Manufacturer Part Number
AT91SAM7SE512B-AUR
Description
IC ARM7 MUC FLASH 512K 128-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE512B-AUR
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
EBI/EMI, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
88
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Processor Series
SAM7SE512
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
SPI, USB
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
88
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Operating Temperature Range
- 40 C to + 85 C
Processor To Be Evaluated
AT91SAM7SE512B
Supply Current (max)
60 uA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
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Part Number
Manufacturer
Quantity
Price
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22.6.4.4
172
SAM7SE512/256/32 Preliminary
Chip Select Change Wait State
15) to be inserted and represents the time allowed for the data output to go to high impedance
after the memory is disabled.
Data float wait states do not delay internal memory accesses. Hence, a single access to an
external memory with long t
memory.
To ensure that the external memory system is not accessed while it is still busy, the SMC keeps
track of the programmed external data float time during internal accesses.
Internal memory accesses and consecutive read accesses to the same external memory do not
add data float wait states.
Figure 22-16. Data Float Output Delay
Notes:
A chip select wait state is automatically inserted when consecutive accesses are made to two
different external memories (if no other type of wait state has already been inserted). If a wait
state has already been inserted (e.g., data float wait state), then no more wait states are added.
1. Early Read Protocol
2. Standard Read Protocol
A[22:0]
D[15:0]
NCS
MCK
NRD
DF
will not slow down the execution of a program from internal
(1)
(2)
t
DF
6222F–ATARM–14-Jan-11
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