Atmel AVR XMEGA 8/16-bit High Performance Low Power Flash Microcontrollers Datenblatt Seite 78
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78
XMEGA B1 [DATASHEET]
Atmel-8330H-AVR-ATxmega64B1-128B1_datasheet–AVR–12/2014
Notes: 1. Maximum numbers are based on characterisation and not tested in production, and valid for 10% to 90% input voltage range.
2. Unless otherwise noted all linearity, offset and gain error numbers are valid under the condition that external V
REF
is used.
Table 36-12. Gain Stage Characteristics
Gain error
Differential
mode
External reference -5
mV
AV
CC
/1.6 -5
AV
CC
/2.0 -6
Bandgap ±10
Temperature drift 0.02 mV/K
Operating voltage drift 2 mV/V
Gain error
Single ended
unsigned mode
External reference -8
mV
AV
CC
/1.6 -8
AV
CC
/2.0 -8
Bandgap ±10
Temperature drift 0.03 mV/K
Operating voltage drift 2 mV/V
Symbol Parameter Condition
(2)
Min. Typ. Max. Units
Symbol Parameter Condition Min. Typ. Max. Units
R
in
Input resistance Switched in normal mode 4.0 k
C
sample
Input capacitance Switched in normal mode 4.4 pF
Signal range Gain stage output 0 AV
CC
- 0.3 V
Propagation delay ADC conversion rate 1
Clk
ADC
cycles
Clock rate Same as ADC 100 1800 kHz
Gain error
0.5x gain, normal mode -1
%
1x gain, normal mode -1
8x gain, normal mode -1
64x gain, normal mode 10
Offset error,
input referred
0.5x gain, normal mode 10
mV
1x gain, normal mode 10
8x gain, normal mode -20
64x gain, normal mode -150
- ATxmega128B1 / ATxmega64B1 1
- 1. Ordering Information 2
- Typical Applications 3
- 2. Pinout/Block Diagram 4
- Top view 5
- Bottom view 5
- 3. Overview 6
- 4. Resources 8
- 5. Capacitive Touch Sensing 8
- 6. AVR CPU 9
- XMEGA B1 [DATASHEET] 10
- 6.4.1 Hardware Multiplier 10
- 7. Memories 12
- 7.3.1 Application Section 13
- 7.3.3 Boot Loader Section 13
- 7.3.5 User Signature Row 14
- 9. Event System 18
- 11.3.1 Idle Mode 23
- 11.3.2 Power-down Mode 23
- 11.3.3 Power-save Mode 24
- 11.3.4 Standby Mode 24
- 11.3.5 Extended Standby Mode 24
- 12. System Control and Reset 25
- 13. WDT – Watchdog Timer 27
- 15. I/O Ports 30
- 15.3.5 Others 32
- 22. TWI – Two-wire Interface 42
- 24. USART 44
- 26. AES and DES Crypto Engine 46
- 30. AC – Analog Comparator 51
- Figure 30-2 52
- 31. Programming and Debugging 53
- 32. Pinout and Pin Functions 54
- 34. Instruction Set Summary 62
- 35. Packaging Information 67
- 35.2 7A1 68
- Safe Operating Area 70
- 36.3 DC Characteristics 71
- Wake-up request 74
- Clock output 74
- Wake-up time 74
- 36.5 I/O Pin Characteristics 75
- 36.7 ADC Characteristics 76
- Device internal 86
- External 86
- 32.768 kHz crystal 86
- 36.15 SPI Characteristics 87
- 37. Typical Characteristics 91
- Temp [°C] 93
- Icc [µA] 97
- 37.2 I/O Pin Characteristics 99
- I/O pin read as “0” 104
- 37.3 ADC Characteristics 105
- Figure 37-31. ADC DNL vs. V 106
- Figure 37-32. ADC DNL vs. V 106
- = 3.6V, external reference 107
- SE Unsigned mode, V 107
- = 1.0V, external reference 107
- Gain Error [mV] 109
- CURRENTSOURCE 115
- 37.6 BOD Characteristics 116
- THRESHOLD 121
- Frequency [MHz] 126
- Frequency Step Error [%] 127
- Frequency Step size [%] 127
- Frequency (MHz) 129
- 37.9 PDI Characteristics 131
- 37.10 LCD Characteristics 132
- Frame Rate[Hz] 133
- Contrast 133
- 38. Errata 136
- Problem fix/Workaround 137
- 39.5 8330D – 01/2013 139
- 39.6 8330C – 07/2012 139
- 39.7 8330B – 02/2012 139
- 39.8 8330A – 10/2011 139
- Table Of Contents 141
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