SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 240

• 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

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