參數(shù)資料
型號(hào)： R80C52CXXX-20:R
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CQCC44
封裝： LCC-44
文件頁數(shù)： 4/7頁
文件大小： 239K
4
7669D–AVR–04/10
ATtiny25/45/85
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
Notes:
1. “Max” means the highest value where the pin is guaranteed to be read as low
2. “Min” means the lowest value where the pin is guaranteed to be read as high
3. Although each I/O port can sink more than the test conditions (0.5 mA at V
CC
= 1.8V) under steady state conditions
(non-transient), the following must be observed:
1] The sum of all IOL, for ports B0 - B5, should not exceed 50 mA.
If IOL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater
than the listed test condition.
4. Although each I/O port can source more than the test conditions (0.5 mA at Vcc = 1.8V) under steady state conditions
(non-transient), the following must be observed:
1] The sum of all IOH, for ports B0 - B5 should not exceed 50 mA.
If IOH exceeds the test condition, VOH may exceed the related specification. Pins are not guaranteed to source current
greater than the listed test condition.
1.4
T
A
= –40°C to +85°C, V
CC
= 1.8V to 3.6V (unless otherwise noted)
ADC Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Units
Resolution
8
Bits
Absolute accuracy
(Including INL, DNL,
quantization error, gain
and offset error)
V
REF
= 2.7V, V
CC
= 2.7V,
ADC clock = 200 kHz
2
3.5
LSB
V
REF
= 2.7V, V
CC
= 2.7V,
ADC clock = 200 kHz
Noise Reduction Mode
2
3.5
LSB
Integral Non-Linearity
(INL)
V
REF
= 2.7V, V
CC
= 2.7V,
ADC clock = 200 kHz
0.6
2.5
LSB
Differential Non-Linearity
(DNL)
V
REF
= 2.7V, V
CC
= 2.7V,
ADC clock = 200 kHz
0.30
1.0
LSB
Gain Error
V
REF
= 2.7V, V
CC
= 2.7V,
ADC clock = 200 kHz
–3.5
–1.3
+3.5
LSB
Offset Error
V
REF
= 2.7V, V
CC
= 2.7V,
ADC clock = 200 kHz
1.8
3.5
LSB
Conversion Time
Free Running
Conversion
13 cycles
μs
Clock Frequency
50
200
kHz
AV
CC
Analog Supply Voltage
V
CC
– 0.3
V
CC
+ 0.3
V
V
REF
Reference Voltage
1.0
AV
CC
V
V
IN
Input Voltage
GND
V
REF
-50mV
V
Input Bandwidth
38.5
kHz
V
INT
Internal Voltage Reference
1.0
1.1
1.2
V
R
REF
Reference Input
Resistance
25.6
32
38.4
k
Ω
R
AIN
Analog Input Resistance
100
M
Ω
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