SAM3S4B Atmel Corporation, SAM3S4B Datasheet - Page 494
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SAM3S4B
Manufacturer Part Number
SAM3S4B
Description
Manufacturer
Atmel Corporation
Specifications of SAM3S4B
Flash (kbytes)
256 Kbytes
Pin Count
64
Max. Operating Frequency
64 MHz
Cpu
Cortex-M3
# Of Touch Channels
23
Hardware Qtouch Acquisition
No
Max I/o Pins
79
Ext Interrupts
79
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
10
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
48
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
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Figure 28-10. Parallel Capture Mode Waveforms (DSIZE = 2, ALWYS = 0, HALFS = 0)
Figure 28-11. Parallel Capture Mode Waveforms (DSIZE=2, ALWYS=1, HALFS=0)
494
494
RDATA (PIO_PCRHR)
RDATA (PIO_PCRHR)
Read of PIO_PCISR
Read of PIO_PCISR
DRDY (PIO_PCISR)
DRDY (PIO_PCISR)
PIODC[7:0]
PIODCEN1
PIODCEN2
PIODC[7:0]
PIODCCLK
PIODCEN1
PIODCEN2
PIODCCLK
SAM3S
SAM3S
MCK
MCK
0x01
0x01
PIO_PCRHR and it is not read before a new data is stored in PIO_PCRHR, then an overrun
error occurs. The previous data is lost and the OVRE flag in PIO_PCISR is set to 1. This flag is
automatically reset when PIO_PCISR is read (reset after read).
The flags DRDY, OVRE, ENDRX and RXBUFF can be a source of the PIO interrupt.
0x12
0x12
0x23
0x23
0x34
0x34
0x45
0x45
0x3423_1201
0x56
0x56
0x67
0x67
0x5645_3423
0x78
0x78
0x89
0x89
6500C–ATARM–8-Feb-11
6500C–ATARM–8-Feb-11
0x7867_5645
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