SAM9XE512 Atmel Corporation, SAM9XE512 Datasheet - Page 783
SAM9XE512
Manufacturer Part Number
SAM9XE512
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9260.pdf
(290 pages)
2.SAM9261.pdf
(248 pages)
3.SAM9XE128.pdf
(860 pages)
4.SAM9XE128.pdf
(48 pages)
Specifications of SAM9XE512
Flash (kbytes)
512 Kbytes
Pin Count
217
Max. Operating Frequency
180 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
2
Uart
6
Ssc
1
Ethernet
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
Yes
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
312
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
1.65 to 1.95
Fpu
No
Mpu / Mmu
No / Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- SAM9260 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9XE128 PDF datasheet #3
- SAM9XE128 PDF datasheet #4
- Current page: 783 of 860
- Download datasheet (13Mb)
Figure 42-3. GOVRE and OVREx Flag Behavior
6254C–ATARM–22-Jan-10
(ADC_CHSR)
(ADC_CHSR)
ADC_LCDR
ADC_CDR0
ADC_CDR1
(ADC_SR)
(ADC_SR)
(ADC_SR)
(ADC_SR)
(ADC_SR)
GOVRE
ADTRG
DRDY
OVRE0
EOC0
EOC1
CH0
CH1
Undefined Data
Undefined Data
If the ADC_CDR is not read before further incoming data is converted, the corresponding Over-
run Error (OVRE) flag is set in the Status Register (ADC_SR).
In the same way, new data converted when DRDY is high sets the bit GOVRE (General Overrun
Error) in ADC_SR.
The OVRE and GOVRE flags are automatically cleared when ADC_SR is read.
Warning: If the corresponding channel is disabled during a conversion or if it is disabled and
then reenabled during a conversion, its associated data and its corresponding EOC and OVRE
flags in ADC_SR are unpredictable.
Conversion
Undefined Data
Conversion
AT91SAM9XE128/256/512 Preliminary
Data A
Data A
Data B
Conversion
Data B
Data C
Read ADC_CDR1
Data C
Read ADC_CDR0
Read ADC_SR
783
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