參數(shù)資料
型號(hào)： TS80C51RA2-LINR
廠商： Atmel Corp.
英文描述： High Performance 8-bit Microcontrollers
中文描述： 高性能8位微控制器
文件頁(yè)數(shù)： 26/74頁(yè)
文件大?。?/td> 903K
代理商： TS80C51RA2-LINR
26
Rev. C - 06 March, 2001
TS80C51RA2/RD2
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
The CCON SFR
contains the run control bit for the PCA and the flags for the PCA timer (CF) and each
module (Refer to Table 9).
Bit CR (CCON.6) must be set by software to run the PCA. The PCA is shut off by clearing this bit.
Bit CF: The CF bit (CCON.7) is set when the PCA counter overflows and an interrupt will be generated if the
ECF bit in the CMOD register is set. The CF bit can only be cleared by software.
Bits 0 through 4 are the flags for the modules (bit 0 for module 0, bit 1 for module 1, etc.) and are set by
hardware when either a match or a capture occurs. These flags also can only be cleared by software.
Table 9. CCON: PCA Counter Control Register
The watchdog timer
function is implemented in module 4 (See Figure 10).
The PCA interrupt
system is shown in Figure 8
CCON
Address 0D8H
CF
CR
-
CCF4
CCF3
CCF2
CCF1
CCF0
Reset value
0
0
X
0
0
0
0
0
Symbol
Function
CF
PCA Counter Overflow flag. Set by hardware when the counter rolls over. CF flags
an interrupt if bit ECF in CMOD is set. CF may be set by either hardware or software but
can only be cleared by software.
CR
PCA Counter Run control bit. Set by software to turn the PCA counter on. Must be cleared
by software to turn the PCA counter off.
Not implemented, reserved for future use.
a
-
a.
User software should not write 1s to reserved bits. These bits may be used in future 8051 family
products to invoke new features. In that case, the reset or inactive value of the new bit will be 0, and its
active value will be 1. The value read from a reserved bit is indeterminate.
CCF4
PCA Module 4 interrupt flag. Set by hardware when a match or capture occurs. Must be
cleared by software.
CCF3
PCA Module 3 interrupt flag. Set by hardware when a match or capture occurs. Must be
cleared by software.
CCF2
PCA Module 2 interrupt flag. Set by hardware when a match or capture occurs. Must be
cleared by software.
CCF1
PCA Module 1 interrupt flag. Set by hardware when a match or capture occurs. Must be
cleared by software.
CCF0
PCA Module 0 interrupt flag. Set by hardware when a match or capture occurs. Must be
cleared by software.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TS80C51RA2-MCA 功能描述:IC MCU 8BIT 256BYTE 40MHZ 40-DIP RoHS:否 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:80C 標(biāo)準(zhǔn)包裝:1,500 系列:AVR® ATtiny 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，LIN，SPI，UART/USART，USI 外圍設(shè)備:欠壓檢測(cè)/復(fù)位，POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):16 程序存儲(chǔ)器容量:8KB（4K x 16） 程序存儲(chǔ)器類(lèi)型:閃存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:帶卷 (TR)
TS80C51RA2-MCAB 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:High Performance 8-bit Microcontrollers
TS80C51RA2-MCAD 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:High Performance 8-bit Microcontrollers
TS80C51RA2-MCAR 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:High Performance 8-bit Microcontrollers
TS80C51RA2-MCB 功能描述:IC MCU 8BIT 256BYTE 40MHZ 44PLCC RoHS:否 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:80C 標(biāo)準(zhǔn)包裝:1,500 系列:AVR® ATtiny 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，LIN，SPI，UART/USART，USI 外圍設(shè)備:欠壓檢測(cè)/復(fù)位，POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):16 程序存儲(chǔ)器容量:8KB（4K x 16） 程序存儲(chǔ)器類(lèi)型:閃存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:帶卷 (TR)
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