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| 型號(hào)： | MC68HC16Y1 |
| 廠商： | Motorola, Inc. |
| 英文描述： | 16-Bit Modular Microcontroller(16位模塊化微控制器) |
| 中文描述： | 16位微控制器模塊（16位模塊化微控制器） |
| 文件頁(yè)數(shù)： | 13/122頁(yè) |
| 文件大小： | 749K |
| 代理商： | MC68HC16Y1 |
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MC68HC16Y1
MC68HC16Y1TS/D
MOTOROLA
13
Relative modes are used for branch and long branch instructions. A byte or word signed twos comple-
ment offset is added to the program counter if the branch condition is satisfied. The new PC value, con-
catenated with the PK field, is the effective address.
Post-modified index mode is used with the MOVB and MOVW instructions. A signed 8-bit offset is add-
ed to index register X after the effective address formed by XK and IX is used.
In M68HC11 systems, direct mode can be used to perform rapid accesses to RAM or I/O mapped into
page 0 ($0000 to $00FF), but the CPU16 uses the first 512 bytes of page 0 for exception vectors. To
compensate for the loss of direct mode, the ZK field and index register Z have been assigned reset ini-
tialization vectors — by resetting the ZK field to a chosen page, and using 8-bit unsigned index mode
with IZ, a programmer can access useful data structures anywhere in the address map.
2.7 Instruction Set
The CPU16 has an 8-bit instruction set. It uses a prebyte to support a multipage opcode map. This ar-
rangement makes it possible to fetch an 8-bit operand simultaneously with a page 0 opcode. If a pro-
gram makes maximum use of 8-bit offset indexed addressing mode, it will have a significantly smaller
instruction space.
The instruction set is based upon that of the M68HC11, but the opcode map has been rearranged to
maximize performance with a 16-bit data bus. All M68HC11 instructions are supported by the CPU16,
although they may be executed differently. Most M68HC11 code will run on the CPU16 following reas-
sembly. The user must take into account changed instruction times, the interrupt mask, and the new
interrupt stack frame.
The CPU16 has a full range of 16-bit arithmetic and logic instructions, including signed and unsigned
multiplication and division. New instructions have been added to support extended addressing and dig-
ital signal processing.
The following table is a summary of the CPU16 instruction set. Because it is only affected by a few in-
structions, the LSB of the condition code register is not shown in the table — instructions which affect
the interrupt mask and PK field are noted.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68HC16Z1 | 16-Bit Modular Microcontroller(16位模塊化微控制器) |
| MC68HC24 | Port Replacement Unit (PRU) |
| MC68HC24D | Port Replacement Unit (PRU) |
| MC68HC705J | Microcontrollers |
| MC68HC705K1 | 8-Bit Microcontroller Units (MCU).(8位微控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC16Z1CAG | 制造商:Freescale Semiconductor 功能描述: |
| MC68HC16Z1CAG16 | 功能描述:16位微控制器 - MCU 16 BIT MCU 1K RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MC68HC16Z1CAG16 | 制造商:Freescale Semiconductor 功能描述:IC16-BIT MICROCONTROLLER |
| MC68HC16Z1CAG20 | 功能描述:16位微控制器 - MCU 16 BIT MCU 1K RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MC68HC16Z1CAG20 | 制造商:Freescale Semiconductor 功能描述:Microcontroller |
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