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參數(shù)資料
| 型號： | P80C31X2BN |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz |
| 中文描述： | 8-BIT, 33 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | 0.600 INCH, PLASTIC, MO-015, SOT-129-1, DIP-40 |
| 文件頁數(shù)： | 10/38頁 |
| 文件大?。?/td> | 350K |
| 代理商： | P80C31X2BN |
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Philips Semiconductors
Product specification
80C51/87C51/80C31
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
2000 Jan 20
10
(MSB)
(LSB)
Symbol
Position
Name and Significance
TF2
T2CON.7
Timer 2 overflow flag set by a Timer 2 overflow and must be cleared by software. TF2 will not be set
when either RCLK or TCLK = 1.
Timer 2 external flag set when either a capture or reload is caused by a negative transition on T2EX and
EXEN2 = 1. When Timer 2 interrupt is enabled, EXF2 = 1 will cause the CPU to vector to the Timer 2
interrupt routine. EXF2 must be cleared by software. EXF2 does not cause an interrupt in up/down
counter mode (DCEN = 1).
Receive clock flag. When set, causes the serial port to use Timer 2 overflow pulses for its receive clock
in modes 1 and 3. RCLK = 0 causes Timer 1 overflow to be used for the receive clock.
Transmit clock flag. When set, causes the serial port to use Timer 2 overflow pulses for its transmit clock
in modes 1 and 3. TCLK = 0 causes Timer 1 overflows to be used for the transmit clock.
Timer 2 external enable flag. When set, allows a capture or reload to occur as a result of a negative
transition on T2EX if Timer 2 is not being used to clock the serial port. EXEN2 = 0 causes Timer 2 to
ignore events at T2EX.
Start/stop control for Timer 2. A logic 1 starts the timer.
Timer or counter select. (Timer 2)
0 = Internal timer (OSC/12)
1 = External event counter (falling edge triggered).
Capture/Reload flag. When set, captures will occur on negative transitions at T2EX if EXEN2 = 1. When
cleared, auto-reloads will occur either with Timer 2 overflows or negative transitions at T2EX when
EXEN2 = 1. When either RCLK = 1 or TCLK = 1, this bit is ignored and the timer is forced to auto-reload
on Timer 2 overflow.
EXF2
T2CON.6
RCLK
T2CON.5
TCLK
T2CON.4
EXEN2
T2CON.3
TR2
C/T2
T2CON.2
T2CON.1
CP/RL2
T2CON.0
TF2
EXF2
RCLK
TCLK
EXEN2
TR2
C/T2
CP/RL2
SU00728
Figure 1. Timer/Counter 2 (T2CON) Control Register
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| P80C51 | 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz |
| P80C58SFA | 80C51 8-bit microcontroller family 8K-64K/256-1K OTP/ROM/ROMless. low voltage 2.7V-5.5V). low power. high speed (33 MHz) |
| P80C51SFAA | ECONOLINE: RY-S_DCP - Internal SMD Technology- 1kVDC Isolation- Short Circuit Protection: Current Limit- UL94V-0 Package Material- Regulated Output- No External Components Required- Efficiency to 63% |
| P80C51SFPN | 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz |
| P80C51X2 | RY Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 12V; Output Voltage (Vdc): 24V; Power: 1W; On/Off Pin; 1kVDC Isolation; UL94V-0 Package Material; Optional Continuous Short Circuit Protected; Internal linear regulator; Efficiency to 70% |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P80C31X2BN,112 | 功能描述:8位微控制器 -MCU 80C51 128B 12/6 CLKS 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT |
| P80C32 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:CMOS 0 to 44 MHz Single Chip 8?bit Microntroller |
| P80C321 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:CMOS SINGLE CHIP MICROCONTROLLER |
| P80C32-1 | 制造商:Intel 功能描述:MicroController, 8-Bit, 40 Pin, Plastic, DIP |
| P80C321-1 | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:CMOS SINGLE CHIP MICROCONTROLLER |
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