- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄45043 > M38207E8HP 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP80 PDF資料下載
參數(shù)資料
| 型號： | M38207E8HP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 0.50 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 65/69頁 |
| 文件大?。?/td> | 944K |
| 代理商： | M38207E8HP |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁當(dāng)前第65頁第66頁第67頁第68頁第69頁
Rev.4.01
Nov 14, 2003
page 68 of 136
3803/3804 Group
D-A CONVERTER
The 3803/3804 group has two internal D-A converters (DA1 and
DA2) with 8-bit resolution.
The D-A conversion is performed by setting the value in each D-A
conversion register. The result of D-A conversion is output from
the DA1 or DA2 pin by setting the DA output enable bit to “1”.
When using the D-A converter, the corresponding port direction
register bit (P30/DA1 or P31/DA2) must be set to “0” (input status).
The output analog voltage V is determined by the value n (decimal
notation) in the D-A conversion register as follows:
V = VREF n/256 (n = 0 to 255)
Where VREF is the reference voltage.
At reset, the D-A conversion registers are cleared to “0016”, and
the DA output enable bits are cleared to “0”, and the P30/DA1 and
P31/DA2 pins become high impedance.
The DA output does not have buffers. Accordingly, connect an ex-
ternal buffer when driving a low-impedance load.
Fig. 60 Block diagram of D-A converter
Fig. 61 Equivalent connection circuit of D-A converter (DA1)
P30/DA1
D-A1 conversion register (8)
R-2R resistor ladder
DA1 output enable bit
P31/DA2
D-A2 conversion register (8)
R-2R resistor ladder
DA2 output enable bit
D
a
ta
b
u
s
AVSS
VREF
“0”
“1”
MSB
“0”
“1”
R
2R
R
2R
R
2R
R
2R
R
2R
R
2R
R
2R2R
LSB
2R
P30/DA1
D-A1 conversion register
DA1 output enable bit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M38207M8DXXXFP | 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80 |
| M38203M4LXXXHP | 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80 |
| M38203E4-XXXGP | 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP80 |
| M38203E4FP | 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP80 |
| M38207E8-XXXHP | 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP80 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38207M8 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38207M8-051 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER |
| M38207M8-107HP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER |
| M38207M8-117HP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER |
| M38207M8-501FP | 制造商:Mitsubishi Electric 功能描述:MicroController, 8-Bit, 80 Pin, Plastic, QFP 制造商:Renesas Electronics Corporation 功能描述:MicroController, 8-Bit, 80 Pin, Plastic, QFP |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。