SAM7X512 Atmel Corporation, SAM7X512 Datasheet - Page 620
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SAM7X512
Manufacturer Part Number
SAM7X512
Description
Manufacturer
Atmel Corporation
Specifications of SAM7X512
Flash (kbytes)
512 Kbytes
Pin Count
100
Max. Operating Frequency
55 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
62
Ext Interrupts
62
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
1
Uart
3
Can
1
Ssc
1
Ethernet
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
128
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
3.3
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
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38.7
Table 38-15. Channel Conversion Time and ADC Clock
Notes:
Table 38-16. External Voltage Reference Input
Table 38-17. Analog Inputs
Table 38-18. Transfer Characteristics
620
Parameter
ADC Clock Frequency
ADC Clock Frequency
Startup Time
Track and Hold Acquisition Time
Conversion Time
Conversion Time
Throughput Rate
Throughput Rate
Parameter
ADVREF Input Voltage Range
ADVREF Input Voltage Range
ADVREF Average Current
Current Consumption on VDDIN
Parameter
Input Voltage Range
Input Leakage Current
Input Capacitance
Parameter
Resolution
Integral Non-linearity
Differential Non-linearity
Offset Error
Gain Error
Absolute Accuracy
ADC Characteristics
1. Corresponds to 13 clock cycles at 5 MHz: 3 clock cycles for track and hold acquisition time and 10 clock cycles for
2. Corresponds to 15 clock cycles at 8 MHz: 5 clock cycles for track and hold acquisition time and 10 clock cycles for
SAM7X512/256/128
conversion.
conversion.
The user can drive ADC input with impedance up to:
with SHTIM (Sample and Hold Time register) expressed in ns and Z
For more information on data converter terminology, please refer to the application note:
Converter Terminology, Atmel lit° 6022.
• Z
• Z
OUT
OUT
≤ (SHTIM -470) x 10 in 8-bit resolution mode
≤ (SHTIM -589) x 7.69 in 10-bit resolution mode
Conditions
8-bit resolution mode
On 13 samples with ADC Clock = 5 MHz
Conditions
10-bit resolution mode
8-bit resolution mode
Return from Idle Mode
ADC Clock = 5 MHz
ADC Clock = 8 MHz
ADC Clock = 5 MHz
ADC Clock = 8 MHz
Conditions
No missing code
Min
Min
600
Min
Min
2.6
2.5
0
OUT
Typ
Typ
Typ
0.55
Typ
200
12
10
1
expressed in ohms.
V
6120I–ATARM–06-Apr-11
384
533
ADVREF
Max
1.25
V
V
Max
Max
Max
20
250
14
±2
±1
±2
±2
±4
DDIN
DDIN
5
8
2
1
(1)
(2)
Units
kSPS
kSPS
Units
Units
Units
MHz
MHz
LSB
LSB
LSB
LSB
LSB
mA
µs
µs
ns
µs
µA
pF
µA
Bit
V
V
Data
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