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參數(shù)資料
| 型號(hào)： | C505A |
| 廠(chǎng)商： | INFINEON TECHNOLOGIES AG |
| 元件分類(lèi)： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存 |
| 文件頁(yè)數(shù)： | 44/88頁(yè) |
| 文件大?。?/td> | 1224K |
| 代理商： | C505A |
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C505/C505C/C505A/C505CA
Data Sheet
40
12.00
10-Bit A/D Converter (C505A and C505CA only)
The C505A/C505CA includes a high performance / high speed 10-bit A/D-Converter (ADC) with 8
analog input channels. It operates with a successive approximation technique and uses self
calibration mechanisms for reduction and compensation of offset and linearity errors. The A/D
converter provides the following features:
–
8 multiplexed input channels (port 1), which can also be used as digital inputs/outputs
–
10-bit resolution
–
Single or continuous conversion mode
–
Internal start-of-conversion trigger capability
–
Interrupt request generation after each conversion
–
Using successive approximation conversion technique via a capacitor array
–
Built-in hidden calibration of offset and linearity errors
The 10-bit ADC uses two clock signals for operation : the conversion clock f
ADC
(=1/t
ADC
) and the
input clock f
IN
(=1/t
IN
). f
ADC
is derived from the C505 system clock f
OSC
which is applied at the
XTAL pins. The input clock f
IN
is equal to f
OSC
The conversion f
ADC
clock is limited to a maximum
frequency of 2 MHz. Therefore, the ADC clock prescaler must be programmed to a value which
assures that the conversion clock does not exceed 2 MHz. The prescaler ratio is selected by the
bits ADCL1 and ADCL0 of SFR ADCON1.
Figure 19
10-Bit A/D Converter Clock Selection
MCS03635
f
OSC
MUX
Clock Prescaler
Conversion Clock
Input Clock
f
ADC
IN
f
ADCL1
A / D
Converter
Condition:
ADC max
f
< 2 MHz
IN
f
=
f
OSC
=
CLP
1
32
16
8
4
ADCL0
MCU System Clock
Rate (f
OSC
)
2 MHz
f
IN
[MHz]
Prescaler
Ratio
÷
4
÷
4
÷
4
÷
8
÷
8
÷
16
f
ADC
[MHz]
ADCL1
ADCL0
2
0.5
0
0
6 MHz
6
1.5
0
0
8 MHz
8
2
0
0
12 MHz
12
1.5
0
1
16 MHz
16
2
0
1
20 MHz
20
1.25
1
0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| C505A-2R | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| C505A-4E | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| C505A-4R | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| C505A-L | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| C505C | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| C505A-2R | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
| C505A-4E | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
| C505A-4EM | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| C505A-4R | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
| C505A-L | 制造商:INFINEON 制造商全稱(chēng):Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
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