AT91SAM9G45-CU-999 Atmel, AT91SAM9G45-CU-999 Datasheet - Page 115

• Manufacturer Part Number: AT91SAM9G45-CU-999
• Description: IC MCU ARM9 APMC 324TFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM9G45-CU-999

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 400MHz
• Connectivity: EBI/EMI, Ethernet, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB
• Peripherals: AC'97, DMA, I²S, LCD, POR, PWM, WDT
• Number Of I /o: 160
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: ROM
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 0.9 V ~ 1.1 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 324-TFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed

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.
6438F–ATARM–21-Jun-10
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
AT91SAM9G45
25
17
25
17
–
–
9
–
1
–
9
1
PITS
24
16
24
16
–
–
8
–
0
8
0
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