SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 233
SAM7L128
Manufacturer Part Number
SAM7L128
Description
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
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25.9.7
Register Name:CKGR_MOR
Access Type:Read-write
• KEY: Password
Should be written at value 0x37. Writing any other value in this field aborts the write operation.
• MAINCKON: 2 MHz RC Oscillator Enable
At start-up, the 2 MHz Fast RC Oscillator is enabled.
0 = The 2 MHz Fast RC Oscillator is disabled
1 = The 2 MHz Fast RC Oscillator is enabled.
• MCKSEL: Main Clock Selection
0 = The 2 MHz Fast RC Oscillator is selected
1 = The CLKIN input is selected.
6257A–ATARM–20-Feb-08
31
23
15
–
–
7
–
PMC Clock Generator Main Oscillator Register
30
22
14
–
–
6
–
29
21
13
–
–
5
–
28
20
12
–
–
4
–
KEY
AT91SAM7L128/64 Preliminary
27
19
11
–
–
3
–
26
18
10
–
–
2
–
25
17
–
9
–
1
–
MAINCKON
MCKSEL
24
16
8
–
0
233
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