SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 482

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SAM7L128

Manufacturer Part Number
SAM7L128
Description
Manufacturer
Atmel Corporation
Datasheets

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
33.6.2
Register Name:
Access Type:
• TRGEN: Trigger Enable
• TRGSEL: Trigger Selection
• LOWRES: Resolution
• SLEEP: Sleep Mode
482
LOWRES
TRGEN
SLEEP
31
23
15
0
1
0
1
0
1
0
0
0
0
1
1
1
1
7
AT91SAM7L128/64 Preliminary
ADC Mode Register
Selected TRGEN
Hardware triggers are disabled. Starting a conversion is only possible by software.
Hardware trigger selected by TRGSEL field is enabled.
Selected Mode
Normal Mode
Sleep Mode
Selected Resolution
10-bit resolution
8-bit resolution
TRGSEL
30
22
14
0
0
1
1
0
0
1
1
ADC_MR
Read-write
6
SLEEP
29
21
13
0
1
0
1
0
1
0
1
5
Selected TRGSEL
TIOA Ouput of the Timer Counter Channel 0
TIOA Ouput of the Timer Counter Channel 1
TIOA Ouput of the Timer Counter Channel 2
Reserved
Reserved
Reserved
External trigger
Reserved
LOWRES
28
20
12
4
PRESCAL
STARTUP
27
19
11
3
TRGSEL
26
18
10
2
SHTIM
25
17
9
1
6257A–ATARM–20-Feb-08
TRGEN
24
16
8
0

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