參數(shù)資料
型號(hào)： AT80C51RA2-RLSIV
廠商： International Rectifier
英文描述： High Performance 8-bit Microcontroller
中文描述： 高性能8位微控制器
文件頁(yè)數(shù)： 27/85頁(yè)
文件大?。?/td> 762K
代理商： AT80C51RA2-RLSIV
27
4188E–8051–08/06
AT/TS8xC51Rx2
Figure 6-5.
PCA Interrupt System
PCA Modules:
each one of the five compare/capture modules has six possible functions. It can
perform:
16-bit Capture, positive-edge triggered,
16-bit Capture, negative-edge triggered,
16-bit Capture, both positive and negative-edge triggered,
16-bit Software Timer,
16-bit High Speed Output,
8-bit Pulse Width Modulator.
In addition, module 4 can be used as a Watchdog Timer.
Each module in the PCA has a special function register associated with it. These registers are:
CCAPM0 for module 0, CCAPM1 for module 1, etc. (See Table 6-6). The registers contain the
bits that control the mode that each module will operate in.
The ECCF bit (CCAPMn.0 where n=0, 1, 2, 3, or 4 depending on the module) enables the
CCF flag in the CCON SFR to generate an interrupt when a match or compare occurs in the
associated module.
PWM (CCAPMn.1) enables the pulse width modulation mode.
The TOG bit (CCAPMn.2) when set causes the CEX output associated with the module to
toggle when there is a match between the PCA counter and the module's capture/compare
register.
The match bit MAT (CCAPMn.3) when set will cause the CCFn bit in the CCON register to be
set when there is a match between the PCA counter and the module's capture/compare
register.
The next two bits CAPN (CCAPMn.4) and CAPP (CCAPMn.5) determine the edge that a
capture input will be active on. The CAPN bit enables the negative edge, and the CAPP bit
enables the positive edge. If both bits are set both edges will be enabled and a capture will
occur for either transition.
CF
CR
CCON
0xD8
CCF4 CCF3
CCF2
CCF1
CCF0
Module 4
Module 3
Module 2
Module 1
Module 0
ECF
PCA Timer/Counter
ECCFn CCAPMn.0
CMOD.0
IE.6
EC
IE.7
EA
To Interrupt
priority decoder
相關(guān)PDF資料
PDF描述
AT80C51RA2-RLTCL High Performance 8-bit Microcontroller
AT80C51RA2-RLTCV High Performance 8-bit Microcontroller
AT80C51RA2-RLTIM High Performance 8-bit Microcontroller
AT80C51RA2-RLTUL High Performance 8-bit Microcontroller
AT80C51RA2-RLTUM High Performance 8-bit Microcontroller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT80C51RA2-RLTCL 制造商:IRF 制造商全稱:International Rectifier 功能描述:High Performance 8-bit Microcontroller
AT80C51RA2-RLTCV 制造商:IRF 制造商全稱:International Rectifier 功能描述:High Performance 8-bit Microcontroller
AT80C51RA2-RLTIM 制造商:IRF 制造商全稱:International Rectifier 功能描述:High Performance 8-bit Microcontroller
AT80C51RA2-RLTUL 功能描述:8位微控制器 -MCU RLESS RA 40MHZ 3V COM TEMP 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
AT80C51RA2-RLTUM 功能描述:8位微控制器 -MCU RLESS RA 40MHZ 5V COM TEMP 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
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