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參數(shù)資料
| 型號(hào)： | MC68HC05E6VFB |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | QFP-44 |
| 文件頁(yè)數(shù)： | 31/140頁(yè) |
| 文件大?。?/td> | 1141K |
| 代理商： | MC68HC05E6VFB |
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Glossary
MC68HC05E6 — Rev. 1.0
126
Glossary
MOTOROLA
binary-coded decimal (BCD) — A notation that uses 4-bit binary numbers to represent the 10
decimal digits and that retains the same positional structure of a decimal number. For
example,
234 (decimal) = 0010 0011 0100 (BCD)
bit — A binary digit. A bit has a value of either logic 0 or logic 1.
Bootstrap mode — In this mode the device automatically loadsits internal memory from an
external source on reset and then allows this program to be executed.
branch instruction — An instruction that causes the CPU to continue processing at a memory
location other than the next sequential address.
break module — A module in the M68HC08 Family. The break module allows software to halt
program execution at a programmable point in order to enter a background routine.
breakpoint — A number written into the break address registers of the break module. When a
number appears on the internal address bus that is the same as the number in the break
address registers, the CPU executes the software interrupt instruction (SWI).
break interrupt — A software interrupt caused by the appearance on the internal address bus
of the same value that is written in the break address registers.
bus — A set of wires that transfers logic signals.
bus clock — The bus clock is derived from the CGMOUT output from the CGM. The bus clock
frequency, fop, is equal to the frequency of the oscillator output, CGMXCLK, divided by
four.
byte — A set of eight bits.
C — The carry/borrow bit in the condition code register. The CPU08 sets the carry/borrow bit
when an addition operation produces a carry out of bit 7 of the accumulator or when a
subtraction operation requires a borrow. Some logical operations and data manipulation
instructions also clear or set the carry/borrow bit (as in bit test and branch instructions and
shifts and rotates).
CCR — See “condition code register.”
central processor unit (CPU) — The primary functioning unit of any computer system. The
CPU controls the execution of instructions.
CERQUAD — A ceramic package type, principally used for EPROM and high temperature
devices.
CGM — See “clock generator module (CGM).”
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68HC705E6VDW | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
| MC68HC705E6VDWR3 | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
| MC68HC705E6MDWR2 | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
| MC68HC05E6MDWR2 | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
| MC68HC05F4FB | 8-BIT, MROM, 1.789 MHz, MICROCONTROLLER, PQFP44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC05F32 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:a member of the M68HC05 family of HCMOS |
| MC68HC05F32CFU | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:a member of the M68HC05 family of HCMOS |
| MC68HC05F32CPU | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:a member of the M68HC05 family of HCMOS |
| MC68HC05F32FU | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:a member of the M68HC05 family of HCMOS |
| MC68HC05F32PU | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:a member of the M68HC05 family of HCMOS |
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