參數(shù)資料
型號(hào): 89C51RC2
廠商: NXP Semiconductors N.V.
英文描述: 80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
中文描述: 80C51的8位閃存微控制器系列16KB/32KB/64KB的ISP /聯(lián)合會(huì)與512B/512B/1KB內(nèi)存閃存
文件頁(yè)數(shù): 13/52頁(yè)
文件大?。?/td> 289K
代理商: 89C51RC2
Philips Semiconductors
Preliminary specification
89C51RB2/89C51RC2/
89C51RD2
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
1999 Sep 23
13
OSC
÷
n*
C/T2 = 0
C/T2 = 1
TR2
CONTROL
TL2
(8-BITS)
TH2
(8-BITS)
TF2
RCAP2L
RCAP2H
EXEN2
CONTROL
EXF2
TIMER 2
INTERRUPT
T2EX PIN
TRANSITION
DETECTOR
T2 PIN
RELOAD
SU01253
* n = 6 in 6 clock mode, or 12 in 12 clock mode.
Figure 4. Timer 2 in Auto-Reload Mode (DCEN = 0)
÷
n*
C/T2 = 0
C/T2 = 1
TL2
TH2
TR2
CONTROL
T2 PIN
SU01254
FFH
FFH
RCAP2L
RCAP2H
(UP COUNTING RELOAD VALUE)
T2EX PIN
TF2
INTERRUPT
COUNT
DIRECTION
1 = UP
0 = DOWN
EXF2
OVERFLOW
(DOWN COUNTING RELOAD VALUE)
TOGGLE
OSC
* n = 6 in 6 clock mode, or 12 in 12 clock mode.
Figure 5. Timer 2 Auto Reload Mode (DCEN = 1)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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89C51RC2-UL 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:8-bit Microcontroller with 16K/ 32K Bytes Flash
89C51RC2-UM 制造商:ATMEL 制造商全稱(chēng):ATMEL Corporation 功能描述:8-bit Microcontroller with 16K/ 32K Bytes Flash