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| 型號(hào)： | M30302M8L-XXXFP |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 20 MM, PLASTIC, QFP-100 |
| 文件頁(yè)數(shù)： | 41/165頁(yè) |
| 文件大?。?/td> | 2188K |
| 代理商： | M30302M8L-XXXFP |
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A-D Converter
135
Mitsubishi microcomputers
M16C / 30L Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Figure 1.17.5. Example of external op-amp connection mode
Analog
input
External op-amp
AN0
AN7
AN1
AN2
AN3
AN4
AN5
AN6
ANEX1
ANEX0
Resistor ladder
Successive conversion register
Comparator
(a) Sample and hold
Sample and hold is selected by setting bit 0 of the A-D control register 2 (address 03D416) to “1”. When
sample and hold is selected, the rate of conversion of each pin increases. As a result, a 28
φAD cycle is
achieved with 8-bit resolution and 33
φAD with 10-bit resolution. Sample and hold can be selected in all
modes. However, in all modes, be sure to specify before starting A-D conversion whether sample and
hold is to be used.
(b) Extended analog input pins
In one-shot mode and repeat mode, the input via the extended analog input pins ANEX0 and ANEX1 can
also be converted from analog to digital.
When bit 6 of the A-D control register 1 (address 03D716) is “1” and bit 7 is “0”, input via ANEX0 is
converted from analog to digital. The result of conversion is stored in A-D register 0.
When bit 6 of the A-D control register 1 (address 03D716) is “0” and bit 7 is “1”, input via ANEX1 is
converted from analog to digital. The result of conversion is stored in A-D register 1.
(c) External operation amp connection mode
In this mode, multiple external analog inputs via the extended analog input pins, ANEX0 and ANEX1, can
be amplified together by just one operation amp and used as the input for A-D conversion.
When bit 6 of the A-D control register 1 (address 03D716) is “1” and bit 7 is “1”, input via AN0 to AN7 is
output from ANEX0. The input from ANEX1 is converted from analog to digital and the result stored in the
corresponding A-D register. The speed of A-D conversion depends on the response of the external op-
eration amp. Do not connect the ANEX0 and ANEX1 pins directly. Figure 1.17.5 is an example of how to
connect the pins in external operation amp mode.
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PDF描述 |
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| M30302MAP-XXXGP | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| M30302GGP-XXXGP | 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| M30304GEP-XXXGP | 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| M30302GGPGP | 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| M30302FCPFP | 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP100 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M30302M8L-XXXGP | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30302M8-XXX | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30302M8-XXXFP | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30302M8-XXXGP | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30302MAL-XXX | 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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