SAM7SE256 Atmel Corporation, SAM7SE256 Datasheet - Page 421

• 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

33.7.2
Name:
Access:
• USART_MODE
• USCLKS: Clock Selection
• CHRL: Character Length.
6222F–ATARM–14-Jan-11
31
23
15
–
–
7
0
0
1
1
0
0
0
0
0
0
0
0
1
1
0
0
1
1
USART Mode Register
CHMODE
CHRL
USCLKS
CHRL
30
22
14
US_MR
Read/Write
–
–
6
0
1
0
1
0
0
0
0
1
1
1
1
0
1
0
1
0
1
USART_MODE
DSNACK
Character Length
5 bits
6 bits
7 bits
8 bits
29
21
13
–
5
Selected Clock
MCK
MCK/DIV (DIV = 8)
Reserved
SCK
NBSTOP
USCLKS
0
0
1
1
0
0
1
1
0
x
FILTER
INACK
28
20
12
4
0
1
0
1
0
1
0
1
0
x
OVER
27
19
11
–
3
Mode of the USART
Normal
RS485
Hardware Handshaking
Modem
IS07816 Protocol: T = 0
Reserved
IS07816 Protocol: T = 1
Reserved
IrDA
Reserved
CLKO
PAR
26
18
10
2
USART_MODE
SAM7SE512/256/32
MAX_ITERATION
MODE9
25
17
9
1
MSBF
SYNC
24
16
8
0
421