AT91SAM7XC256B-AU Atmel, AT91SAM7XC256B-AU Datasheet - Page 19
![MCU ARM 256K HS FLASH 100-LQFP](/photos/6/76/67646/313-100-lqfp_sml.jpg)
AT91SAM7XC256B-AU
Manufacturer Part Number
AT91SAM7XC256B-AU
Description
MCU ARM 256K HS FLASH 100-LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7XC128B-CU.pdf
(47 pages)
Specifications of AT91SAM7XC256B-AU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
62
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
64K 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
100-LQFP
Package
100LQFP
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
Operating Supply Voltage
1.8 V
Data Bus Width
32 Bit
Number Of Programmable I/os
62
Interface Type
CAN/Ethernet/SPI/TWI/USART/USB
On-chip Adc
8-chx10-bit
Number Of Timers
3
Processor Series
91S
Core
ARM7TDMI
Data Ram Size
64 KB
Maximum Clock Frequency
55 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7XC256B-AU
Manufacturer:
WESTCODE
Quantity:
103
Company:
Part Number:
AT91SAM7XC256B-AU
Manufacturer:
ATMEL
Quantity:
899
Figure 8-1.
6209DS–ATARM–17-Feb-09
0x0FFF FFFF
0xF000 0000
0x0000 0000
0x1000 0000
0xEFFF FFFF
0xFFFF FFFF
AT91SAM7XC512/256/128 Memory Mapping
Address Memory Space
Internal Peripherals
Internal Memories
Undefined
(Abort)
256 MBytes
14 x 256 MBytes
3,584 MBytes
256 MBytes
0xFFFC BFFF
0xFFFD BFFF
0xFFFA 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
0xFFFE 7FFF
0xFFFA 3FFF
0xFFFA 7FFF
0xFFFA C000
0xFFFB 0000
0xFFFB 4000
0xFFFB 8000
0xFFFC 0000
0xFFFC 4000
0xFFFC 8000
0xFFFD 0000
0xFFFD 4000
0xFFFD 8000
0xFFFE 0000
0xFFFE 4000
0xFFFE 8000
0xFFFF EFFF
0xFFFF FFFF
0xFFFA 0000
0xFFFA 4000
0xFFFA 8000
0xFFFE F000
0xF000 0000
0x0FFF FFFF
0x0000 0000
0x0010 0000
0x0020 0000
0x0030 0000
0x0040 0000
0x000F FFF
0x001F FFF
0x002F FFF
0x003F FFF
AT91SAM7XC512/256/128 Preliminary
Peripheral Mapping
TC0, TC1, TC2
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
AES 128
USART0
USART1
Internal Memory Mapping
PWMC
EMAC
TDES
SYSC
UDP
CAN
SSC
ADC
SPI0
SPI1
TWI
Flash before Remap
SRAM after Remap
Boot Memory (1)
Internal Flash
Internal SRAM
Internal ROM
Reserved
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
16 Kbytes
1 MBytes
1 MBytes
1 MBytes
1 MBytes
252 MBytes
0xFFFF FBFF
0xFFFF FCFF
0xFFFF FD0F
0xFFFF FC2F
0xFFFF FC3F
0xFFFF FD4F
0xFFFF FC6F
0xFFFF FEFF
0xFFFF FC00
0xFFFF FD00
0xFFFF FD20
0xFFFF FD30
0xFFFF FD40
0xFFFF FD60
0xFFFF FD70
0xFFFF FFFF
0xFFFF F1FF
0xFFFF F3FF
0xFFFF F5FF
0xFFFF F7FF
0xFFFF FF00
0xFFFF F000
0xFFFF F200
0xFFFF F400
0xFFFF F600
0xFFFF F800
Note:
(1) Can be ROM, Flash or SRAM
depending on GPNVM2 and REMAP
System Controller Mapping
Reserved
Reserved
Reserved
Reserved
DBGU
RSTC
VREG
PIOA
PIOB
WDT
PMC
RTT
AIC
PIT
MC
512 Bytes/128 registers
512 Bytes/128 registers
4 Bytes/1 register
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
256 Bytes/64 registers
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