AT91SAM7SE256B-AU Atmel, AT91SAM7SE256B-AU Datasheet - Page 84

• Manufacturer Part Number: AT91SAM7SE256B-AU
• Description: IC ARM7 MCU FLASH 256K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256B-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: EBI/EMI, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 88
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Core: ARM7TDMI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

16.4.3
Name:
Access:
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.
16.4.4
Name:
Access:
• 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.
84
31
23
15
31
23
15
7
7
SAM7SE512/256/32 Preliminary
Periodic Interval Timer Value Register
Periodic Interval Timer Image Register
30
22
14
30
22
14
6
6
PIT_PIVR
Read-only
PIT_PIIR
Read-only
PICNT
PICNT
29
21
13
29
21
13
5
5
28
20
12
28
20
12
4
4
PICNT
PICNT
CPIV
CPIV
CPIV
CPIV
27
19
11
27
19
11
3
3
26
18
10
26
18
10
2
2
CPIV
CPIV
25
17
25
17
9
1
9
1
6222F–ATARM–14-Jan-11
24
16
24
16
8
0
8
0