參數資料
型號: MC68HC11D0CFN2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數: 66/138頁
文件大?。?/td> 1047K
代理商: MC68HC11D0CFN2
MC68HC711D3 Data Sheet, Rev. 2.1
Freescale Semiconductor
33
Chapter 3
Central Processor Unit (CPU)
3.1 Introduction
This section presents information on M68HC11 central processor unit (CPU):
Architecture
Data types
Addressing modes
Instruction set
Special operations such as subroutine calls and interrupts
The CPU is designed to treat all peripheral, input/output (I/O), and memory locations identically as
addresses in the 64-Kbyte memory map. This is referred to as memory-mapped I/O. I/O has no
instructions separate from those used by memory. This architecture also allows accessing an operand
from an external memory location with no execution time penalty.
3.2 CPU Registers
M68HC11 CPU registers are an integral part of the CPU and are not addressed as if they were memory
locations. The seven registers, discussed in the following paragraphs, are shown in Figure 3-1.
Figure 3-1. Programming Model
A:B
70
15
0
ACCUMULATOR A
ACCUMULATOR B
DOUBLE ACCUMULATOR D
INDEX REGISTER X
INDEX REGISTER Y
STACK POINTER
PROGRAM COUNTER
70
C
V
Z
N
I
H
X
S
D
IX
IY
SP
PC
CARRY
OVERFLOW
ZERO
NEGATIVE
I INTERRUPT MASK
HALF CARRY (FROM BIT 3)
X INTERRUPT MASK
STOP DISABLE
CCR
15
0
CONDITION CODE REGISTER
相關PDF資料
PDF描述
MC68HC11D0CFB2 8-BIT, 2 MHz, MICROCONTROLLER, PQFP44
MC68HC11D3CFN2 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC44
MC68HC711D3CP3 8-BIT, OTPROM, 3 MHz, MICROCONTROLLER, PDIP40
MC68HC11D3CFN3 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQCC44
MC68HC11D3CFB1 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQFP44
相關代理商/技術參數
參數描述
MC68HC11D0CFN3 制造商: 功能描述: 制造商:undefined 功能描述:
MC68HC11D0CFNE2 功能描述:8位微控制器 -MCU 8B MCU 192 BYTES RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
MC68HC11D0CFNE2R 功能描述:8位微控制器 -MCU 8B MCU 192 BYTES RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
MC68HC11D0CFNE3 功能描述:8位微控制器 -MCU 8B MCU 192 BYTES RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
MC68HC11D0CFNE3R 功能描述:8位微控制器 -MCU 8B MCU 192 BYTES RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT