SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 113
SAM7X256
Manufacturer Part Number
SAM7X256
Description
Manufacturer
Atmel Corporation
Specifications of SAM7X256
Flash (kbytes)
256 Kbytes
Pin Count
100
Max. Operating Frequency
55 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
62
Ext Interrupts
62
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
1
Uart
3
Can
1
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
64
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.3
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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19.3
The User Interface of the EFC is integrated within the Memory Controller with Base Address: 0xFFFF FF00.
The AT91SAM7X512 is equipped with two EFCs, EFC0 and EFC1, as described in the Register Mapping tables and Reg-
ister descriptions that follow.
Table 19-3.
Table 19-4.
6120I–ATARM–06-Apr-11
Offset
0x60
0x64
0x68
0x6C
Offset
0x70
0x74
0x78
0x7C
Embedded Flash Controller (EFC ) User Interface
Embedded Flash Controller (EFC0) Register Mapping
Embedded Flash Controller (EFC1) Register Mapping
Register
MC Flash Mode Register
MC Flash Command Register
MC Flash Status Register
Reserved
Register
MC Flash Mode Register
MC Flash Command Register
MC Flash Status Register
Reserved
MC_FMR
MC_FMR
MC_FCR
MC_FSR
MC_FCR
MC_FSR
Name
Name
–
–
SAM7X512/256/128
Read-write
Read-write
Write-only
Read-only
Write-only
Read-only
Access
Access
–
–
Reset State
Reset State
0x0
0x0
–
–
–
–
–
–
113
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