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| 型號(hào)： | SAK-XC888CLM-8FFA |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存 |
| 文件頁(yè)數(shù)： | 28/119頁(yè) |
| 文件大?。?/td> | 895K |
| 代理商： | SAK-XC888CLM-8FFA |
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XC886/888CLM
Functional Description
Data Sheet
Prelimary
24
V0.1, 2006-02
In order to access a register located in a page different from the actual one, the current
page must be left. This is done by reprogramming the bit field PAGE in the page register.
Only then can the desired access be performed.
If an interrupt routine is initiated between the page register access and the module
register access, and the interrupt needs to access a register located in another page, the
current page setting can be saved, the new one programmed and finally, the old page
setting restored. This is possible with the storage fields STx (x = 0 - 3) for the save and
restore action of the current page setting. By indicating which storage bit field should be
used in parallel with the new page value, a single write operation can:
Save the contents of PAGE in STx before overwriting with the new value
(this is done in the beginning of the interrupt routine to save the current page setting
and program the new page number); or
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAK-XC888CM-6FFA | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| SAK-XC888CM-8FFA | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| SAK-XC888LM-6FFA | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| SAK-XC888LM-8FFA | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| SAF1032 | REMOTE CONTROL SYSTEM FOR INFRARED OPERATION |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAK-XC888CLM-8FFA 5V AC | 功能描述:8位微控制器 -MCU MICROCONTROLLER 8-BIT RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| SAK-XC888CLM-8FFA 5V ACTR | 制造商:Infineon Technologies AG 功能描述: |
| SAKXC888CLM8FFA5VAC | 功能描述:8位微控制器 -MCU RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| SAKXC888CLM8FFAT | 制造商:Infineon Technologies AG 功能描述:MCU 8-Bit XC800 8051 CISC 32KB Flash 2.5V/3.3V/5V 64-Pin TQFP |
| SAK-XC888CM-6FFA | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
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