SAM3S1B Atmel Corporation, SAM3S1B Datasheet - Page 805

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SAM3S1B

Manufacturer Part Number
SAM3S1B
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of SAM3S1B

Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
64 MHz
Cpu
Cortex-M3
# Of Touch Channels
23
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
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)
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
Figure 35-8. Read Functional Flow Diagram
Note:
6500C–ATARM–8-Feb-11
1. It is assumed that this command has been correctly sent (see
Number of words to read = BlockLength/4
Reset the PDCMODE bit
HSMCI_MR &= ~PDCMODE
Set the block length (in bytes)
HSMCI_MR |= (BlockLenght <<16)
Read status register HSMCI_SR
Number of words to read = 0 ?
Send READ_SINGLE_BLOCK
Number of words to read -1
Number of words to read =
Read data = HSMCI_RDR
RXRDY = 0?
No
command
Poll the bit
No
(1)
No
Send SET_BLOCKLEN command
Send SELECT/DESELECT_CARD
command
Yes
Yes
RETURN
Read with PDC
(1)
to select the card
Figure
(1)
Configure the PDC channel
HSMCI_RPR = Data Buffer Address
HSMCI_RCR = BlockLength/4
HSMCI_PTCR = RXTEN
Set the PDCMODE bit
HSMCI_MR |= PDCMODE
Set the block length (in bytes)
HSMCI_MR |= (BlockLength << 16)
35-7).
Send READ_SINGLE_BLOCK
Read status register HSMCI_SR
Yes
command
ENDRX = 0?
RETURN
Poll the bit
No
(1)
Yes
SAM3S
805

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