参数资料
型号: COP8CBR9LVA8
厂商: National Semiconductor
文件页数: 103/111页
文件大小: 0K
描述: IC MCU EEPROM 8BIT 32K 68PLCC
标准包装: 18
系列: COP8™ 8C
核心处理器: COP8
芯体尺寸: 8-位
速度: 20MHz
连通性: Microwire/Plus(SPI),UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 59
程序存储器容量: 32KB(32K x 8)
程序存储器类型: 闪存
RAM 容量: 1K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
数据转换器: A/D 16x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 68-LCC(J 形引线)
包装: 管件
其它名称: *COP8CBR9LVA8
SNOS535I – OCTOBER 2000 – REVISED MARCH 2013
The available addressing modes are:
Direct
Register B or X Indirect
Register B or X Indirect with Post-Incrementing/Decrementing
Immediate
Immediate Short
Indirect from Program Memory
The addressing modes are described below. Each description includes an example of an assembly
language instruction using the described addressing mode.
Direct. The memory address is specified directly as a byte in the instruction. In assembly language, the
direct address is written as a numerical value (or a label that has been defined elsewhere in the program
as a numerical value).
Example:
Load Accumulator Memory Direct
LD A,05
Reg/Data
Contents
Memory
Before
After
Accumulator
XX Hex
A6 Hex
Memory Location
A6 Hex
0005 Hex
Register B or X Indirect. The memory address is specified by the contents of the B Register or X register
(pointer register). In assembly language, the notation [B] or [X] specifies which register serves as the
pointer.
Example:
Exchange Memory with Accumulator, B Indirect
X A,[B]
Reg/Data
Contents
Memory
Before
After
Accumulator
01 Hex
87 Hex
Memory Location
87 Hex
01 Hex
0005 Hex
B Pointer
05 Hex
Register B or X Indirect with Post-Incrementing/Decrementing. The relevant memory address is
specified by the contents of the B Register or X register (pointer register). The pointer register is
automatically incremented or decremented after execution, allowing easy manipulation of memory blocks
with software loops. In assembly language, the notation [B+], [B
], [X+], or [X] specifies which register
serves as the pointer, and whether the pointer is to be incremented or decremented.
Example:
Exchange Memory with Accumulator, B Indirect with Post-Increment
X A,[B+]
Reg/Data
Contents
Memory
Before
After
Accumulator
03 Hex
62 Hex
Copyright 2000–2013, Texas Instruments Incorporated
Functional Description
91
Product Folder Links: COP8CBR9 COP8CCR9 COP8CDR9
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