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参数资料
| 型号： | M32000D4BFP-80 |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, 80 MHz, MICROCONTROLLER, PQFP100 |
| 封装： | 14 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-100 |
| 文件页数： | 4/44页 |
| 文件大小： | 448K |
| 代理商： | M32000D4BFP-80 |
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SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
M32000D4BFP-80
12
Accumulator
The accumulator (ACC) is a 64-bit register used for DSP type func-
tions. Use the MVTACHI and MVTACLO instructions for writing to
the accumulator. The high-order 32 bits (bit 0 - bit 31) can be set with
the MVTACHI instruction and the low-order 32 bits (bit 32 - bit 63)
can be set with the MVTACLO instruction. Use the MVFACHI,
MVFACLO and MVFACMI instructions for reading from the accumu-
lator. The high-order 32 bits (bit 0 - bit 31) are read with the MVFACHI
instruction, the low order 32 bits (bit 32 - bit 63) with the MVFACLO
instruction and the middle 32 bits (bit 16 - bit 47) with the MVFACMI
instruction.
Program counter
The program counter (PC) is a 32-bit counter that retains the ad-
dress of the instruction being executed. Since the M32R CPU in-
struction starts with even-numbered addresses, the LSB (bit 31) is
always "0".
Fig. 5 Accumulator
31
0
PC
0
Fig. 6 Program counter
32
48
63
31
16
15
0
47
78
ACC
(see note)
read/write range with
MVTACLO or MVFACLO instruction
read/write range with
MVTACHI or MVFACHI instruction
read range with MVFACMI instruction
Note: Bits 0 - 7 are always read as the sign-extended value of bit 8.
An attempt to write to this area is ignored.
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相关代理商/技术参数 |
参数描述 |
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| M32002AGPJ | 制造商:MTRONPTI 制造商全称:MTRONPTI 功能描述:9x14 mm, 3.3/2.5/1.8 Volt, PECL/LVDS/CML, VCXO |
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| M32002AMMJ | 制造商:MTRONPTI 制造商全称:MTRONPTI 功能描述:9x14 mm, 3.3/2.5/1.8 Volt, PECL/LVDS/CML, VCXO |
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