2010-2012 Microchip Technology Inc.
DS39977F-page 127
PIC18F66K80 FAMILY
FIGURE 6-9:
COMPARING ADDRESSING OPTIONS FOR BIT-ORIENTED AND BYTE-ORIENTED
INSTRUCTIONS (EXTENDED INSTRUCTION SET ENABLED)
EXAMPLE INSTRUCTION: ADDWF, f, d, a
(Opcode: 0010 01da ffff ffff)
When a = 0 and f
60h:
The instruction executes in
Direct Forced mode. ‘f’ is
interpreted as a location in the
Access RAM between 060h
and FFFh. This is the same as
locations, F60h to FFFh,
(Bank 15) of data memory.
Locations below 060h are not
available in this addressing
mode.
When a = 0 and f
5Fh:
The instruction executes in
Indexed Literal Offset mode. ‘f’
is interpreted as an offset to the
address value in FSR2. The
two are added together to
obtain the address of the target
register for the instruction. The
address can be anywhere in
the data memory space.
Note that in this mode, the
correct syntax is now:
ADDWF [k], d
where ‘k’ is the same as ‘f’.
When a = 1 (all values of f):
The instruction executes in
Direct mode (also known as
Direct Long mode). ‘f’ is
interpreted as a location in
one of the 16 banks of the data
memory space. The bank is
designated by the Bank Select
Register (BSR). The address
can be in any implemented
bank in the data memory
space.
000h
060h
100h
F00h
F40h
FFFh
Valid Range
00h
60h
FFh
Data Memory
Access RAM
Bank 0
Bank 1
through
Bank 14
Bank 15
SFRs
000h
060h
100h
F00h
F40h
FFFh
Data Memory
Bank 0
Bank 1
through
Bank 14
Bank 15
SFRs
FSR2H
FSR2L
ffffffff
001001da
ffffffff
001001da
000h
060h
100h
F00h
F40h
FFFh
Data Memory
Bank 0
Bank 1
through
Bank 14
Bank 15
SFRs
for ‘f’
BSR
00000000
相关PDF资料
PIC24FJ64GA308-I/PT MCU 16BIT 64KB FLASH 80TQFP
PIC18F66K80-I/PT MCU PIC 64KB FLASH 64TQFP
PIC24FJ64GA104-I/ML IC PIC MCU FLASH 64KB 44-QFN
PIC32MX250F128B-I/SP IC MCU 32BIT 128KB FLASH 28-SDIP
PIC18F47J53-I/PT IC PIC MCU 128KB FLASH 44TQFP
DSPIC30F1010-30I/SP IC DSPIC MCU/DSP 6K 28DIP
PIC24FJ64GB002-I/ML IC MCU 16BIT 64KB FLASH 28QFN
52746-1270 CONN FFC 12POS .5MM R/A ZIF SMD
相关代理商/技术参数
PIC18LF66K80T-I/MR 功能描述:8位微控制器 -MCU 64KB FL 4KBRM 16MIPS 12bit ADC CTMU XLP RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18LF66K80T-I/PT 功能描述:8位微控制器 -MCU 64KB FL 4KBRM 16MIPS 12bit ADC CTMU XLP RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18LF6720-I/PT 功能描述:8位微控制器 -MCU 128KB 3840 RAM 52I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18LF6720-I/PT 制造商:Microchip Technology Inc 功能描述:8BIT FLASH MCU 18LF6720 TQFP64
PIC18LF6720-I/PTC01 制造商:Microchip Technology 功能描述:MCU 8-Bit PIC18 PIC RISC 128KB Flash 1.8V/2.5V/3.3V/5V 64-Pin TQFP Tray
PIC18LF6720T-I/PT 功能描述:8位微控制器 -MCU 128KB 3840 RAM 52I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18LF6721-I/PT 功能描述:8位微控制器 -MCU 128kBF 4096RM 40MHz nonoWatt RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18LF6721T-I/PT 功能描述:8位微控制器 -MCU 128kBF 4096RM 40MHz nonoWatt RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT