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参数资料
| 型号： | MB89PV560CF-102 |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, 12.5 MHz, MICROCONTROLLER, CQFP80 |
| 封装： | CERAMIC, MQFP-80 |
| 文件页数： | 33/52页 |
| 文件大小： | 1035K |
| 代理商： | MB89PV560CF-102 |
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39
MB89560H Series
(3) Precautions
The smaller the | AVR–AVSS |, the greater the error would become relatively.
The output impedance of the external circuit for the analog input must satisfy the following conditions:
Output impedance of the external circuit < Approx. 10 k
If the output impedance of the external circuit is too high, an analog voltage sampling time might be
insufficient (sampling time = 6
s at 10MHz oscillation.)
(4) A/D Converter Glossary
Resolution
Analog changes that are identifiable with the A/D converter.
Linearity error
The deviation of the straight line connecting the zero transition point (“00 0000 0000”
“00 0000 0001”) with
the full-scale transition point (“11 1111 1110”
“11 1111 1111”) from actual conversion characteristics
Differential linearity error
The deviation of input voltage needed to change the output code by 1 LSB from the theoretical value
Total error (unit: LSB)
The difference between theoretical and actual conversion values caused by the zero transition error, full-scale
transition error, linearity error, quantization error, and noise
(Continued)
Analog input pin
Sample hold circuit
C = 33 pF
If the analog input
impedance is higher
than 10 kW, it is
recommended to
connect an external
capacitor of approx.
0.1 mF.
Comparator
R = 6 kW
Analog channel selector
Close for 8 instruction cycles after
activating A/D conversion.
.
Analog Input Circuit Model
0.5 LSB
1 LSB
Analog input
AVSS
1.5 LSB
Theoretical I/O characteristics
3FF
3FE
3FD
004
003
002
001
AVR
Theoretical value
Analog input
AVSS
VNT
Actual conversion
value
Total error
3FF
3FE
3FD
004
003
002
001
AVR
{1 LSB
× N + 0.5 LSB}
VFST
VOT
Actual conversion
value
Digital output N total error = VNT – {1 LSB × N + 0.5 LSB}
1 LSB
1 LSB =
VFST –VOT
1022
Digital
output
Digital
output
(V)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MB89PV570 | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:F2MC-8L 8-BIT MICROCONTROLLER |
| MB89PV620 | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89PV620CF | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89PV620C-SH | 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89PV630 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-bit Proprietary Microcontroller |
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