SAM9G45 Atmel Corporation, SAM9G45 Datasheet - Page 115

• Manufacturer Part Number: SAM9G45
• Manufacturer: Atmel Corporation

Specifications of SAM9G45

• Flash (kbytes): 0 Kbytes
• Pin Count: 324
• Max. Operating Frequency: 400 MHz
• Cpu: ARM926
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 160
• Ext Interrupts: 160
• Usb Transceiver: 3
• Usb Speed: Hi-Speed
• Usb Interface: Host, Device
• Spi: 2
• Twi (i2c): 2
• Uart: 5
• Lin: 4
• Ssc: 2
• Ethernet: 1
• Sd / Emmc: 2
• Graphic Lcd: Yes
• Video Decoder: No
• Camera Interface: Yes
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 440
• Resistive Touch Screen: Yes
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 64
• Self Program Memory: NO
• External Bus Interface: 2
• Dram Memory: DDR2/LPDDR, SDRAM/LPSDR
• Nand Interface: Yes
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 0.9 to 1.1
• Fpu: No
• Mpu / Mmu: No/Yes
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

15.5.2
Register Name:
Address:
Access Type:
• PITS: Periodic Interval Timer Status
0 = The Periodic Interval timer has not reached PIV since the last read of PIT_PIVR.
1 = The Periodic Interval timer has reached PIV since the last read of PIT_PIVR.
15.5.3
Register Name:
Address:
Access Type:
Reading this register clears PITS in PIT_SR.
• CPIV: Current Periodic Interval Value
Returns the current value of the periodic interval timer.
• PICNT: Periodic Interval Counter
Returns the number of occurrences of periodic intervals since the last read of PIT_PIVR.
6438G–ATARM–19-Apr-11
31
23
15
31
23
15
–
–
–
7
–
7
Periodic Interval Timer Status Register
Periodic Interval Timer Value Register
30
22
14
30
22
14
0xFFFFFD34
–
–
–
6
–
0xFFFFFD38
6
PIT_SR
Read-only
PIT_PIVR
Read-only
PICNT
29
21
13
29
21
13
–
–
–
5
–
5
28
20
12
28
20
12
–
–
–
4
–
4
PICNT
CPIV
CPIV
27
19
11
27
19
11
–
–
–
3
–
3
26
18
10
26
18
10
–
–
–
2
–
2
CPIV
25
17
25
17
–
–
9
–
1
–
9
1
SAM9G45
PITS
24
16
24
16
–
–
8
–
0
8
0
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