SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 391

• 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

33.3
Figure 33-2. Application Block Diagram
33.4
Table 33-1.
6222F–ATARM–14-Jan-11
Name
SCK
TXD
RXD
RI
DSR
DCD
DTR
CTS
RTS
Application Block Diagram
I/O Lines Description
I/O Line Description
Description
Serial Clock
Transmit Serial Data
Receive Serial Data
Ring Indicator
Data Set Ready
Data Carrier Detect
Data Terminal Ready
Clear to Send
Request to Send
Modem
Modem
Drivers
RS232
Driver
PSTN
PPP
RS232
Drivers
Serial
Driver
Serial
Port
Differential
Field Bus
USART
RS485
Drivers
Driver
Bus
Smart
Driver
EMV
Card
Slot
Transceivers
Driver
IrLAP
IrDA
IrDA
SAM7SE512/256/32
Output
Output
Type
Input
Input
Input
Input
Input
I/O
I/O
Active Level
Low
Low
Low
Low
Low
Low
391