參數(shù)資料
型號(hào): 89C52
廠商: NXP Semiconductors N.V.
英文描述: 80C51 8-bit microcontroller family8KFlash(80C51八位微控制器系列 8K閃速存儲(chǔ)器)
中文描述: 80C51的8位微控制器family8KFlash(80C51的八位微控制器系列8K的閃速存儲(chǔ)器)
文件頁(yè)數(shù): 10/32頁(yè)
文件大?。?/td> 212K
代理商: 89C52
Philips Semiconductors
Product specification
89C51/89C52/89C54/89C58
80C51 8-bit microcontroller family
4K/8K/16K/32K Flash
1999 Oct 27
10
Table 3.
Timer 2 Operating Modes
RCLK + TCLK
CP/RL2
TR2
MODE
0
0
1
16-bit Auto-reload
0
1
1
16-bit Capture
1
X
1
Baud rate generator
X
X
0
(off)
OSC
÷
12
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
Capture
SU00066
Figure 2. Timer 2 in Capture Mode
Not Bit Addressable
Symbol
Function
Not implemented, reserved for future use.*
T2OE
Timer 2 Output Enable bit.
DCEN
Down Count Enable bit. When set, this allows Timer 2 to be configured as an up/down counter.
T2OE
DCEN
SU00729
7
6
5
4
3
2
1
0
*
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.
Bit
T2MOD
Address = 0C9H
Reset Value = XXXX XX00B
Figure 3. Timer 2 Mode (T2MOD) Control Register
相關(guān)PDF資料
PDF描述
89C58 80C51 8-bit microcontroller family 4K/8K/16K/32K Flash
89CNQ135
89CNQ150
89CNQ SCHOTTKY RECTIFIER
89CNQ135A SCHOTTKY RECTIFIER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
89C52-24JC 制造商: 功能描述: 制造商:undefined 功能描述:
89C52-24PC 制造商: 功能描述: 制造商:undefined 功能描述:
89C535 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:CMOS single-chip 8-bit microcontrollers with FLASH program memory
89C536 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 16K/64K/512 FLASH
89C538 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:CMOS single-chip 8-bit microcontrollers with FLASH program memory