参数资料
型号: SN8P1603S
厂商: SONIX Technology Co., Ltd.
英文描述: 8-Bit Micro-Controller
中文描述: 8位微控制器
文件页数: 35/94页
文件大小: 540K
代理商: SN8P1603S
SN8P1600
4
4
4
ADDRESSING MODE
OVERVIEW
8-bit micro-controller
SONiX TECHNOLOGY CO., LTD
Page 35
Revision 1.94
The SN8P1600 provides three addressing modes to access RAM data, including immediate addressing mode, directly
addressing mode and indirectly address mode. The main purpose of the three different modes is described in the
following table.
IMMEDIATE ADDRESSING MODE
The immediate addressing mode uses an immediate data to set up the location (“ MOV A, # I ”, “ B0MOV M, # I “) in
ACC or specific RAM.
Immediate addressing mode
MOV
A, #12H
; To set an immediate data 12H into ACC
DIRECTLY ADDRESSING MODE
The directly addressing mode uses address number to access memory location (“ MOV A,12H ”, “ MOV 12H, A ”).
Directly addressing mode
B0MOV
A, 12H
; To get a content of location 12H of bank 0 and save in ACC
INDIRECTLY ADDRESSING MODE
The indirectly addressing mode is to set up an address in data pointer registers (Y/Z) and uses MOV instruction to
read/write data between ACC and @YZ register (“ MOV A,@YZ ”, “ MOV @YZ, A ”).
Example: Indirectly addressing mode with @YZ register
CLR
Y
; To clear Y register to access RAM bank 0.
B0MOV
Z, #12H
; To set an immediate data 12H into Z register.
B0MOV
A, @YZ
; Use data pointer @YZ reads a data from RAM location
; 012H into ACC.
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SN8P1603X 制造商:SONIX 制造商全称:SONIX 功能描述:8-Bit Micro-Controller
SN8P1604 制造商:SONIX 制造商全称:SONIX 功能描述:8-Bit Micro-Controller
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SN8P1604AP 制造商:SONIX 制造商全称:SONIX 功能描述:8-Bit Micro-Controller
SN8P1604AQ 制造商:SONIX 制造商全称:SONIX 功能描述:8-Bit Micro-Controller