AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 150
AT91SAM7S256D-AU
Manufacturer Part Number
AT91SAM7S256D-AU
Description
ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
Manufacturer
Atmel
Series
SAM7S256r
Datasheet
1.AT91SAM7S256D-AU.pdf
(775 pages)
Specifications of AT91SAM7S256D-AU
Rohs
yes
Core
ARM
Processor Series
AT91SAM
Data Bus Width
16 bit/32 bit
Maximum Clock Frequency
55 MHz
Program Memory Size
256 KB
Data Ram Size
64 KB
On-chip Adc
Yes
Operating Supply Voltage
3 V to 3.6 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
LQFP-64
Mounting Style
SMD/SMT
Interface Type
2-Wire, I2S, SPI, USART
Length
7 mm
Available stocks
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Manufacturer
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Price
Company:
Part Number:
AT91SAM7S256D-AU
Manufacturer:
ATMEL
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101
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21.6
Hardware and Software Constraints
Table 21-4.
Table 21-5.
Device
SAM7S512
SAM7S256
SAM7S128
SAM7S64
SAM7S321
SAM7S32
SAM7S161
SAM7S16
Peripheral
DBGU
DBGU
• SAM-BA boot copies itself in the SRAM and uses a block of internal SRAM for variables and stacks. The
• USB requirements: (Does not pertain to SAM7S32/16)
remaining available sizes for the user codes are as follows: 57344 bytes for SAM7S512, 57344 bytes for
SAM7S256, 24576 bytes for SAM7S128, 8192 bytes for SAM7S64, 2048 bytes for SAM7S321 and SAM7S32,
3840 bytes for SAM7S161 and SAM7S16.
– 18.432 MHz Quartz
– PIOA16 dedicated to the USB Pull-up
User Area Addresses
Pins Driven during Boot Program Execution
Start Address
0x202000
0x202000
0x202000
0x202000
0x202000
0x201400
0x200000
0x200000
Pin
DRXD
DTXD
End Address
0x210000
0x210000
0x208000
0x204000
0x210000
0x201C00
0200F00
0200F00
3840
3840
Size (bytes)
57344
57344
24576
8192
2048
2048
PIO Line
PA10
SAM7S Series [DATASHEET]
PA9
6175M–ATARM–26-Oct-12
150
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