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參數(shù)資料
| 型號： | M37920F8CHP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100 |
| 文件頁數(shù)： | 121/155頁 |
| 文件大?。?/td> | 1274K |
| 代理商： | M37920F8CHP |
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M37920F8CGP, M37920F8CHP, M37920FCCGP
M37920FCCHP, M37920FGCGP, M37920FGCHP
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
MITSUBISHI MICROCOMPUTERS
68
A-D CONVERTER
The A-D converter is a 10-bit successive approximation converter.
Figure 63 shows the block diagram of the A-D converter, Figure 64
shows the bit configuration of the A-D control register 0 (address
1E16), and the bit configuration of the A-D control register 1 (address
1F16).
A-D conversion accuracy
Bit 3 of A-D control register 1 is used to select whether to regard the
conversion result as 10-bit or as 8-bit data. The conversion result is
regarded as 10-bit data when bit 3 is “1” and as 8-bit data when bit 3
is “0”.
When the conversion result is used as 10-bit data, the low-order 8
bits of the conversion result is stored in the even-numbered address
of the corresponding A-D register and the high-order 2 bits are
stored in bits 0 and 1 at the odd-numbered address of the corre-
sponding A-D register. Bits 2 to 7 of the A-D register odd-numbered
Fig. 63 A-D converter block diagram
address are “0000002” when read.
When the conversion result is used as 8-bit data, the conversion re-
sult are stored in even-numbered address of the corresponding A-D
register. In this case, the value at the A-D register’s odd-numbered
address is “0016” when read.
A-D conversion frequency
An operation clock (
φAD) of an A-D converter can be selected with bit
7 of the A-D control register 0 and bit 4 of the A-D control register 1.
When bit 4 of the A-D control register 1 is “0”,
φAD becomes f2/4
when bit 7 of the A-D control register 0 is “0”,
φAD becomes f2/2 when
bit 7 of the A-D control register 0 is “1”.
When bit 4 of the A-D control register 1 is “1”,
φAD becomes f2 when
bit 7 of the A-D control register 0 is “0”,
φAD becomes f1 when bit 7 of
the A-D control register 0 is “1”. Note that
φAD = f1 (in other words,
the fastest speed) can be selected only in the 8-bit mode.
φAD during A-D conversion must be 250 kHz or more because the
comparator uses a capacity coupling amplifier.
Data bus (even)
Selector
Successive approximation register
Decoder
A-D control register 0 (Address 1E16)
Ladder network
VREF
AVSS
Vref
AN0
AN1
AN2
AN3/ADTRG
Comparator
A-D register 0 (Address 2016)
A-D register 1 (Address 2216)
A-D register 2 (Address 2416)
A-D register 3 (Address 2616)
A-D register 0 (Address 2116)
A-D register 1 (Address 2316)
A-D register 2 (Address 2516)
A-D register 3 (Address 2716)
Data bus (odd)
A-D control register 1 (Address 1F16)
1/2
f2
φAD
A-D conversion frequency selection
f1
VREF connection select bit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M37920F8CGP | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100 |
| M38039MFL-XXXHP | 8-BIT, MROM, 16.8 MHz, MICROCONTROLLER, PQFP64 |
| M38039MFL-XXXSP | 8-BIT, MROM, 16.8 MHz, MICROCONTROLLER, PDIP64 |
| M38039MFL-XXXWG | 8-BIT, MROM, 16.8 MHz, MICROCONTROLLER, PBGA64 |
| M38039FFLHP | 8-BIT, FLASH, 16.8 MHz, MICROCONTROLLER, PQFP64 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37920FCCGP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION |
| M37920FCCHP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION |
| M37920FGCGP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION |
| M37920FGCHP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION |
| M37920S4CGP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:16 BIT CMOS MICROCOMPUTER |
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