SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 6

• Manufacturer Part Number: SAM7X256
• 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

Table 3-1.
6
Signal Name
DDM
DDP
SCK0 - SCK1
TXD0 - TXD1
RXD0 - RXD1
RTS0 - RTS1
CTS0 - CTS1
DCD1
DTR1
DSR1
RI1
TD
RD
TK
RK
TF
RF
TCLK0 - TCLK2
TIOA0 - TIOA2
TIOB0 - TIOB2
PWM0 - PWM3
SPIx_MISO
SPIx_MOSI
SPIx_SPCK
SPIx_NPCS0
SPIx_NPCS1-NPCS3
TWD
TWCK
SAM7X512/256/128
Signal Description List (Continued)
Function
USB Device Port Data -
USB Device Port Data +
Serial Clock
Transmit Data
Receive Data
Request To Send
Clear To Send
Data Carrier Detect
Data Terminal Ready
Data Set Ready
Ring Indicator
Transmit Data
Receive Data
Transmit Clock
Receive Clock
Transmit Frame Sync
Receive Frame Sync
External Clock Inputs
I/O Line A
I/O Line B
PWM Channels
Master In Slave Out
Master Out Slave In
SPI Serial Clock
SPI Peripheral Chip Select 0
SPI Peripheral Chip Select 1 to 3
Two-wire Serial Data
Two-wire Serial Clock
Serial Peripheral Interface - SPIx
Synchronous Serial Controller
Two-wire Interface
USB Device Port
PWM Controller
Timer/Counter
USART
Analog
Analog
Output
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Active
Level
Low
Low
Comments
6120I–ATARM–06-Apr-11