AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 20
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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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7S256D-AU
Manufacturer:
ATMEL
Quantity:
101
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Figure 8-1.
0xEFFF FFFF
0x0FFF FFFF
0xFFFF FFFF
0xF000 0000
0x0000 0000
0x1000 0000
SAM7S512/256/128/64/321/32/161/16 Memory Mapping
Address Memory Space
Internal Peripherals
Internal Memories
Undefined
(Abort)
256 MBytes
14 x 256 MBytes
3,584 MBytes
256M Bytes
0xFFFC BFFF
0xFFFD BFFF
0xFFFB BFFF
0xFFFB FFFF
0xFFFC 3FFF
0xFFFC 7FFF
0xFFFC C000
0xFFFC FFFF
0xFFFD 3FFF
0xFFFD 7FFF
0xFFFD C000
0xFFFD FFFF
0xFFF9 FFFF
0xFFFA FFFF
0xFFFB 3FFF
0xFFFB 7FFF
0xFFFB C000
0xFFFE 3FFF
0xFFFA 3FFF
0xFFFB 0000
0xFFFB 4000
0xFFFB 8000
0xFFFC 0000
0xFFFC 4000
0xFFFC 8000
0xFFFD 0000
0xFFFD 4000
0xFFFD 8000
0xFFFE 0000
0xFFFE 4000
0xFFFF EFFF
0xFFFF F000
0xFFFF FFFF
0xFFFA 0000
0xFFFA 4000
0xF000 0000
0x0FFF FFFF
0x0000 0000
0x0010 0000
0x0020 0000
0x0030 0000
0x000F FFF
0x001F FFF
0x002F FFF
Peripheral Mapping
TC0, TC1, TC2
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
USART0
USART1
Internal Memory Mapping
PWMC
SYSC
UDP
ADC
SSC
TWI
SPI
Flash before Remap
SRAM after Remap
Internal SRAM
Internal Flash
Reserved
16 Kbytes
16 Kbytes
(Reserved on
SAM7S32/16)
16 Kbytes
16 Kbytes
16 Kbytes
(Reserved on
SAM7S32/16)
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
(1)
1 MBytes
1 MBytes
1 MBytes
253 MBytes
SAM7S Series [DATASHEET]
Note:
(1) Can be Flash or SRAM
depending on REMAP.
0xFFFF F600
0xFFFF FBFF
0xFFFF FCFF
0xFFFF FD0F
0xFFFF FC2F
0xFFFF FC3F
0xFFFF FD4F
0xFFFF FC6F
0xFFFF FEFF
0xFFFF F1FF
0xFFFF F3FF
0xFFFF F5FF
0xFFFF FC00
0xFFFF FD00
0xFFFF FD20
0xFFFF FD30
0xFFFF FD40
0xFFFF FD60
0xFFFF FD70
0xFFFF FFFF
System Controller Mapping
0xFFFF F000
0xFFFF F200
0xFFFF F400
0xFFFF FF00
6175M–ATARM–26-Oct-12
Reserved
Reserved
Reserved
Reserved
DBGU
RSTC
VREG
PIOA
WDT
PMC
RTT
AIC
PIT
MC
512 Bytes/
128 registers
512 Bytes/
128 registers
512 Bytes/
128 registers
256 Bytes/
64 registers
16 Bytes/
4 registers
16 Bytes/
4 registers
16 Bytes/
4 registers
16 Bytes/
4 registers
4 Bytes/
1 register
256 Bytes/
64 registers
20
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