SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 144

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SAM7X256

Manufacturer Part Number
SAM7X256
Description
Manufacturer
Atmel Corporation
Datasheets

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
22.4
Table 22-1.
Note:
144
Offset
0x100
0x104
0x108
0x10C
0x110
0x114
0x118
0x11C
0x120
0x124
Peripheral DMA Controller (PDC) User Interface
1. PERIPH: Ten registers are mapped in the peripheral memory space at the same offset. These can be defined by the user
SAM7X512/256/128
according to the function and the peripheral desired (DBGU, USART, SSC, SPI, MCI, etc.).
Transmit Pointer Register
PDC Transfer Control Register
PDC Transfer Status Register
Register
Receive Pointer Register
Receive Counter Register
Transmit Counter Register
Receive Next Pointer Register
Receive Next Counter Register
Transmit Next Pointer Register
Transmit Next Counter Register
Register Mapping
PERIPH
PERIPH_RCR
PERIPH_TPR
PERIPH_TCR
PERIPH_RNPR
PERIPH_RNCR
PERIPH_TNPR
PERIPH_TNCR
PERIPH_PTCR
PERIPH_PTSR
Name
(1)
_RPR
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Read-write
Read-only
Write-only
Access
6120I–ATARM–06-Apr-11
Reset
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
-

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