参数资料
型号: SAF-XC886C-8FFI3V3
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP48
封装: PLASTIC, TQFP-48
文件页数: 73/144页
文件大小: 1455K
代理商: SAF-XC886C-8FFI3V3
XC886/888CLM
Functional Description
Data Sheet
27
V1.2, 2009-07
Overwrite the contents of PAGE with the contents of STx, ignoring the value written
to the bit positions of PAGE
(this is done at the end of the interrupt routine to restore the previous page setting
before the interrupt occurred)
Figure 10
Storage Elements for Paging
With this mechanism, a certain number of interrupt routines (or other routines) can
perform page changes without reading and storing the previously used page information.
The use of only write operations makes the system simpler and faster. Consequently,
this mechanism significantly improves the performance of short interrupt routines.
The XC886/888 supports local address extension for:
Parallel Ports
Analog-to-Digital Converter (ADC)
Capture/Compare Unit 6 (CCU6)
System Control Registers
PAGE
ST0
ST1
ST2
ST3
value update
from CPU
STNR
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