AT90LS2333-4AI Atmel, AT90LS2333-4AI Datasheet - Page 54
AT90LS2333-4AI
Manufacturer Part Number
AT90LS2333-4AI
Description
IC MCU 2K 4MHZ A/D LV IT 32TQFP
Manufacturer
Atmel
Series
AVR® 90LSr
Datasheet
1.AT90LS2333-4AC.pdf
(103 pages)
Specifications of AT90LS2333-4AI
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
20
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 6 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-TQFP, 32-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Figure 46. ADC Timing Diagram, First Conversion (Single Conversion Mode)
Table 21. ADC Conversion Time
Figure 47. ADC Timing Diagram, Single Conversion
54
Condition
1st Conversion, Free Run
1st Conversion, Single
Free Run Conversion
Single Conversion
Cycle number
ADC clock
ADSC
Hold strobe
ADIF
ADCH
ADCL
Cycle number
ADC clock
ADEN
ADSC
Hold strobe
ADIF
ADCH
ADCL
AT90S/LS2333 and AT90S/LS4433
1
1
2
Dummy Conversion
2
Sample Cycle Number
3
12
14
14
2
2
4
13
14
5
15
6
Result Ready (cycle
16
7
number)
17
One Conversion
25
25
13
13
18
8
Actual Conversion
19
9
20
10
Total Conversion Time
21
11
22
(cycles)
25
26
13
14
23
12
24
13
25
Total Conversion Time
14
26
MSB of result
LSB of result
Next Conversion
Second
Conversion
MSB of result
LSB of result
1
125 - 500
1
130 - 520
65 - 260
70 - 280
( s)
2
2
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