SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 400

• Manufacturer Part Number: SAM7L128
• Manufacturer: Atmel Corporation

Specifications of SAM7L128

• Flash (kbytes): 128 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 36 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 80
• Ext Interrupts: 80
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 3
• Segment Lcd: 40
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 460
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 6
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 1.8 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

30.7.2
Name:
Access Type:Read-write
• USART_MODE
• USCLKS: Clock Selection
• CHRL: Character Length.
400
ONEBIT
31
23
15
–
7
0
0
1
1
0
0
0
0
0
0
1
0
0
1
1
AT91SAM7L128/64 Preliminary
USART Mode Register
CHMODE
CHRL
US_MR
USCLKS
CHRL
MODSYNC–
VAR_SYNC
30
22
14
6
0
1
0
1
0
0
0
0
1
1
0
0
1
0
1
USART_MODE
Others
DSNACK
MAN
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
1
0
FILTER
INACK
28
20
12
4
0
1
0
1
0
0
0
OVER
27
19
11
–
3
Mode of the USART
Normal
RS485
Hardware Handshaking
Modem
IS07816 Protocol: T = 0
IS07816 Protocol: T = 1
IrDA
Reserved
CLKO
PAR
26
18
10
2
USART_MODE
MAX_ITERATION
MODE9
25
17
9
1
6257A–ATARM–20-Feb-08
MSBF
SYNC
24
16
8
0