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参数资料
| 型号： | M34514M6-XXXFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PDSO42 |
| 封装： | 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42 |
| 文件页数： | 37/96页 |
| 文件大小： | 1078K |
| 代理商： | M34514M6-XXXFP |
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42
4513/4514 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 28 Setting registers
0
1
(Bit 3)
(Bit 0)
A-D control register Q2
AIN4 function selected
A-D conversion mode
A-D control register Q1
AIN4 pin selected
100
(Bit 3)
(Bit 0)
: Set an arbitrary value
(8) A-D conversion timing chart
Figure 27 shows the A-D conversion timing chart.
Fig. 27 A-D conversion timing chart
(9) How to use A-D conversion
How to use A-D conversion is explained using as example in which
the analog input from P40/AIN4 pin is A-D converted, and the high-
order 4 bits of the converted data are stored in address M(Z, X, Y)
= (0, 0, 0), the middle-order 4 bits in address M(Z, X, Y) = (0, 0, 1),
and the low-order 2 bits in address M(Z, X, Y) = (0, 0, 2) of RAM.
The A-D interrupt is not used in this example.
After selecting the AIN4 pin function with the bit 0 of the register
Q2, select AIN4 pin and A-D conversion mode with the register
Q1 (refer to Figure 28).
Execute the ADST instruction and start A-D conversion.
Examine the state of ADF flag with the SNZAD instruction to de-
termine the end of A-D conversion.
Transfer the low-order 2 bits of converted data to the high-order
2 bits of register A (TALA instruction).
Transfer the contents of register A to M (Z, X, Y) = (0, 0, 2).
Transfer the high-order 8 bits of converted data to registers A
and B (TABAD instruction).
Transfer the contents of register A to M (Z, X, Y) = (0, 0, 1).
Transfer the contents of register B to register A, and then, store
into M(Z, X, Y) = (0, 0, 0).
ADST instruction
A-D conversion
completion flag (ADF)
62 machine cycles
DAC operation signal
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M34514M8 | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34514M8-756FP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34514M8-759FP | 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34514M8-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34518E8FP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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