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參數(shù)資料
| 型號： | MC68HC705J2 |
| 廠商： | Motorola, Inc. |
| 英文描述： | HCMOS MICROCONTROLLER UNIT |
| 中文描述： | HCMOS微控制器 |
| 文件頁數(shù)： | 55/82頁 |
| 文件大?。?/td> | 327K |
| 代理商： | MC68HC705J2 |
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MC68HC705J2
Rev. 2
INSTRUCTION SET
MOTOROLA
10-3
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10.1.7 Indexed, 16-Bit Offset
Indexed, 16-bit offset instructions are three-byte instructions that can access data
with variable addresses at any location in memory. The CPU adds the unsigned
byte in the index register to the two unsigned bytes following the opcode. The sum
is the conditional address of the operand. The first byte after the opcode is the high
byte of the 16-bit offset; the second byte is the low byte of the offset. These
instructions can address any location in memory.
Indexed, 16-bit offset instructions are useful for selecting the kth element in an
n-element table anywhere in memory.
As with direct and extended addressing the Motorola assembler determines the
shortest form of indexed addressing.
10.1.8 Relative
Relative addressing is only for branch instructions. If the branch condition is true,
the CPU finds the conditional branch destination by adding the signed byte
following the opcode to the contents of the program counter. If the branch condition
is not true, the CPU goes to the next instruction. The offset is a signed, two’s
complement byte that gives a branching range of –128 to +127 bytes from the
address of the next location after the branch instruction.
When using the Motorola assembler, the programmer does not need to calculate
the offset, because the assembler determines the proper offset and verifies that it
is within the span of the branch.
10.2 Instruction Types
The MCU instructions fall into the following five categories:
Register/Memory Instructions
Read-Modify-Write Instructions
Jump/Branch Instructions
Bit Manipulation Instructions
Control Instructions
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68HC705J2CP | HCMOS MICROCONTROLLER UNIT |
| MC68HC705J2DW | HCMOS MICROCONTROLLER UNIT |
| MC68HC705J2P | HCMOS MICROCONTROLLER UNIT |
| MC68HC705J2S | HCMOS MICROCONTROLLER UNIT |
| MC68HC705J2VP | HCMOS MICROCONTROLLER UNIT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC705J2CDW | 制造商:Motorola Inc 功能描述: 制造商:Motorola Inc 功能描述:MicroController, 8-Bit, 20 Pin, Plastic, SOP |
| MC68HC705J2DW | 制造商:Motorola Inc 功能描述: |
| MC68HC705J5ACP | 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC68HC705JB4DW | 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC68HC705JJ7CDW | 功能描述:IC MCU 8BIT 20-SOIC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有關(guān)文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標準包裝:490 系列:STM32 F1 核心處理器:ARM? Cortex?-M3 芯體尺寸:32-位 速度:36MHz 連通性:I²C，IrDA，LIN，SPI，UART/USART 外圍設(shè)備:DMA，PDR，POR，PVD，PWM，溫度傳感器，WDT 輸入/輸出數(shù):26 程序存儲器容量:64KB（64K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):2 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 10x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:36-VFQFN，36-VFQFPN 包裝:托盤 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名稱:497-9032STM32F101T8U6-ND |
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