SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 324

• Manufacturer Part Number: SAM7SE256
• Manufacturer: Atmel Corporation

Specifications of SAM7SE256

• Flash (kbytes): 256 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 48 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 88
• Ext Interrupts: 88
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 3
• Ssc: 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): 32
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: sdram
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: Yes / No
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

31.2
31.3
324
Block Diagram
Application Block Diagram
SAM7SE512/256/32
Figure 31-1. Block Diagram
Figure 31-2. Application Block Diagram: Single Master/Multiple Slave Implementation
APB
PMC
SPI Master
MCK
SPCK
MISO
MOSI
NPCS0
NPCS1
NPCS2
NPCS3
NC
Interrupt Control
SPI Interface
SPI Interrupt
PDC
PIO
SPCK
MISO
MOSI
NSS
SPCK
MISO
MOSI
NSS
SPCK
MISO
MOSI
NSS
6222F–ATARM–14-Jan-11
Slave 0
Slave 1
Slave 2
SPCK
MISO
MOSI
NPCS0/NSS
NPCS1
NPCS2
NPCS3