SAM9G45 Atmel Corporation, SAM9G45 Datasheet - Page 1146
SAM9G45
Manufacturer Part Number
SAM9G45
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G45.pdf
(10 pages)
5.SAM9G45.pdf
(55 pages)
6.SAM9G45.pdf
(1196 pages)
Specifications of SAM9G45
Flash (kbytes)
0 Kbytes
Pin Count
324
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
160
Ext Interrupts
160
Usb Transceiver
3
Usb Speed
Hi-Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
2
Uart
5
Lin
4
Ssc
2
Ethernet
1
Sd / Emmc
2
Graphic Lcd
Yes
Video Decoder
No
Camera Interface
Yes
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
440
Resistive Touch Screen
Yes
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
64
Self Program Memory
NO
External Bus Interface
2
Dram Memory
DDR2/LPDDR, SDRAM/LPSDR
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
0.9 to 1.1
Fpu
No
Mpu / Mmu
No/Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- SAM9261 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9261 PDF datasheet #3
- SAM9G45 PDF datasheet #4
- SAM9G45 PDF datasheet #5
- SAM9G45 PDF datasheet #6
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46.11 Touch Screen ADC (TSADC)
Table 46-21. Channel Conversion Time and ADC Clock
Note:
Table 46-22. External Voltage Reference Input
Table 46-23. Analog Inputs
Table 46-24. Transfer Characteristics
1146
Parameter
ADC Clock Frequency
Startup Time
Track and Hold Acquisition Time (TTH)
Conversion Time (TCT)
Throughput Rate
Parameter
ADVREF Input Voltage Range
ADVREF Average Current
Current Consumption on VDDANA
Parameter
Input Voltage Range
Input Leakage Current
Input Capacitance
Input Source Impedance
Parameter
Resolution
Integral Non-linearity
Differential Non-linearity
Offset Error
Gain Error
1. The Track and Hold Acquisition Time is given by:
SAM9G45
The ADC internal clock is divided by 2 in order to generate a clock with a duty cycle of 75%. So the maximum conversion
time is give by:
The full speed is obtained for an input source impedance of < 50 Ohms maximum, or TTH = 500 ns.
In order to make the TSADC work properly, the SHTIM field in TSADCC Mode Register is to be calculated according to this
Track and Hold Acquisition Time, also called Sampled and Hold Time.
TTH (ns)
TCT μs
=
=
500
---------- - MHz
Fclk
23
+
0.12
Z
Conditions
Conditions
10-bit resolution mode
Return from Idle Mode
ADC Clock = 13.2 MHz
ADC Clock = 13.2 MHz
ADC Clock = 13.2 MHz
IN
(1)
(1)
(1)
Min
2.4
Min
0
Min
-0.9
-1.5
Min
0.5
Typ
Typ
50
7
Typ
Typ
0.5
10
VDDANA
ADVREF
6438G–ATARM–19-Apr-11
Max
600
300
Max
Max
13.2
1.75
10
Max
+0.9
440
±10
1
40
±2
±2
Ohms
Units
Units
Units
kSPS
Units
MHz
LSB
LSB
LSB
μA
μA
μA
pF
mV
μs
μs
μs
V
V
bit
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