SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 417

• 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

30.7.15
Name:
Access Type:Read-write
• TX_PL: Transmitter Preamble Length
0: The Transmitter Preamble pattern generation is disabled
1 - 15: The Preamble Length is TX_PL x Bit Period
• TX_PP: Transmitter Preamble Pattern
• TX_MPOL: Transmitter Manchester Polarity
0: Logic Zero is coded as a zero-to-one transition, Logic One is coded as a one-to-zero transition.
1: Logic Zero is coded as a one-to-zero transition, Logic One is coded as a zero-to-one transition.
• RX_PL: Receiver Preamble Length
0: The receiver preamble pattern detection is disabled
1 - 15: The detected preamble length is RX_PL x Bit Period
• RX_PP: Receiver Preamble Pattern Detected
6257A–ATARM–20-Feb-08
31
23
15
–
–
–
7
–
0
0
1
1
0
0
1
1
USART Manchester Configuration Register
RX_PP
TX_PP
US_MAN
DRIFT
30
22
14
–
–
6
–
0
1
0
1
0
1
0
1
Preamble Pattern default polarity assumed (TX_MPOL field not set)
Preamble Pattern default polarity assumed (RX_MPOL field not set)
ALL_ONE
ALL_ZERO
ZERO_ONE
ONE_ZERO
ALL_ONE
ALL_ZERO
ZERO_ONE
ONE_ZERO
29
21
13
1
–
–
5
–
RX_MPOL
TX_MPOL
28
20
12
–
4
–
AT91SAM7L128/64 Preliminary
27
19
11
–
–
3
26
18
10
–
–
2
RX_PL
TX_PL
25
17
9
1
RX_PP
TX_PP
24
16
8
0
417