参数资料
型号: SAB80C517A-N18-T3
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 18 MHz, MICROCONTROLLER, PQCC84
封装: PLASTIC, LCC-84
文件页数: 52/137页
文件大小: 2089K
代理商: SAB80C517A-N18-T3
Semiconductor Group
3 - 13
Memory Organization
Figure 3-4
Use of Port 2 as I/O-Port
At a write to Port 2, XRAM address in XPAGE-register will be overwritten because of the concurrent
write to Port 2 and XPAGE-register. So whenever XRAM is used and the XRAM address differs
from the byte written to Port 2 latch it is absolutely nessesary to rewrite XPAGE with page address.
Example:
I/O-Data at Port 2 shall be 0AAH. A Byte shall be fetched from XRAM at address 0F830H
MOV R0, #30H
MOV P2, #0AAH
; P2 shows 0AAH
MOV XPAGE, #0F8H
; P2 still shows 0AAH but XRAM is addressed
MOVX A, @R0
; the contents of XRAM at 0F830H is moved to accu
相关PDF资料
PDF描述
SAB83C517A-N18-T4 8-BIT, 18 MHz, MICROCONTROLLER, PQCC84
SAB80C517A-S18-T3 8-BIT, 18 MHz, MICROCONTROLLER, PQFP100
SAB83C517A-5S18-T3 8-BIT, MROM, 18 MHz, MICROCONTROLLER, PQFP100
SAB83C517A-5S18-T4 8-BIT, MROM, 18 MHz, MICROCONTROLLER, PQFP100
SAB80C517A-S18-T3 8-BIT, 18 MHz, MICROCONTROLLER, PQFP100
相关代理商/技术参数
参数描述
SAB80C517-M 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller
SAB80C517-M16 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller
SAB80C517-M-T40/85 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller
SAB80C517-N 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller
SAB80C517-N16 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Single-Chip Microcontroller