SAM3S1A Atmel Corporation, SAM3S1A Datasheet - Page 249

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SAM3S1A

Manufacturer Part Number
SAM3S1A
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of SAM3S1A

Flash (kbytes)
64 Kbytes
Pin Count
48
Max. Operating Frequency
64 MHz
Cpu
Cortex-M3
# Of Touch Channels
17
Hardware Qtouch Acquisition
No
Max I/o Pins
34
Ext Interrupts
34
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
2
Uart
3
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
16
Self Program Memory
YES
Dram Memory
No
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.62 to 3.6
Fpu
No
Mpu / Mmu
Yes / No
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
14.6.1
Name:
Address:
Access:
• UPDTIM: Update Request Time Register
0 = No effect.
1 = Stops the RTC time counting.
Time counting consists of second, minute and hour counters. Time counters can be programmed once this bit is set and
acknowledged by the bit ACKUPD of the Status Register.
• UPDCAL: Update Request Calendar Register
0 = No effect.
1 = Stops the RTC calendar counting.
Calendar counting consists of day, date, month, year and century counters. Calendar counters can be programmed once
this bit is set.
• TIMEVSEL: Time Event Selection
The event that generates the flag TIMEV in RTC_SR (Status Register) depends on the value of TIMEVSEL.
• CALEVSEL: Calendar Event Selection
The event that generates the flag CALEV in RTC_SR depends on the value of CALEVSEL
6500C–ATARM–8-Feb-11
Value
Value
31
23
15
0
1
2
3
0
1
2
3
7
RTC Control Register
RTC_CR
0x400E1460
Read-write
Name
MINUTE
HOUR
MIDNIGHT
NOON
Name
WEEK
MONTH
YEAR
30
22
14
6
Description
Week change (every Monday at time 00:00:00)
Month change (every 01 of each month at time 00:00:00)
Year change (every January 1 at time 00:00:00)
Description
Minute change
Hour change
Every day at midnight
Every day at noon
29
21
13
5
28
20
12
4
27
19
11
3
26
18
10
2
UPDCAL
25
17
9
1
CALEVSEL
TIMEVSEL
SAM3S
UPDTIM
24
16
8
0
249

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