SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 240
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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25.9.14
Register Name:PMC_SR
Access Type:Read-only
• MAINRDY: MAINRDY Flag Status
0 = Main Clock is not ready
1 = Main Clock is ready
• LOCK: PLL Lock Status
0 = PLL is not locked
1 = PLL is locked.
• MCKRDY: Master Clock Status
0 = Master Clock is not ready.
1 = Master Clock is ready.
• PCKRDYx: Programmable Clock Ready Status
0 = Programmable Clock x is not ready.
1 = Programmable Clock x is ready.
• MAINSELS: MAINSELS Main Clock Selection Status
0 = Selection is in progress (default state)
1 = Selection is done
240
31
23
15
–
–
–
7
–
AT91SAM7L128/64 Preliminary
PMC Status Register
30
22
14
–
–
–
6
–
29
21
13
–
–
–
5
–
28
20
12
–
–
–
4
–
MCKRDY
27
19
11
–
–
–
3
PCKRDY2
26
18
10
–
–
2
–
PCKRDY1
LOCK
25
17
–
–
9
1
6257A–ATARM–20-Feb-08
MAINSELS
PCKRDY0
MAINRDY
24
16
–
8
0
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