SAM4S16C Atmel Corporation, SAM4S16C Datasheet - Page 862

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SAM4S16C

Manufacturer Part Number
SAM4S16C
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of SAM4S16C

Flash (kbytes)
1024 Kbytes
Pin Count
100
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
79
Ext Interrupts
79
Usb Transceiver
1
Quadrature Decoder Channels
2
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
16
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)
128
Self Program Memory
YES
External Bus Interface
1
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
6
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes
862
862
SAM4S
SAM4S
The following flowchart
the PDC. Polling or interrupt method can be used to wait for the end of write according to the
contents of the Interrupt Mask Register (HSMCI_IMR).
Figure 35-10. Multiple Write Functional Flow Diagram
Note:
1. It is assumed that this command has been correctly sent (see
(Figure
Configure the PDC channel
HSMCI_TPR = Data Buffer Address
HSMCI_TCR = BlockLength/4
Send SET_BLOCKLEN command
35-10) shows how to manage a multiple write block transfer with
Send SELECT/DESELECT_CARD
Send WRITE_MULTIPLE_BLOCK
Read status register HSMCI_SR
Set the PDCMODE bit
HSMCI_MR |= PDCMODE
Set the block length
HSMCI_MR |= (BlockLength << 16)
command
Send STOP_TRANSMISSION
HSMCI_PTCR = TXTEN
NOTBUSY = 0?
command
command
(1)
Poll the bit
RETURN
BLKE = 0?
Poll the bit
to select the card
No
No
(1)
(1)
(1)
Yes
Yes
Figure
35-7).
11100A–ATARM–28-Oct-11
11100A–ATARM–28-Oct-11

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