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參數(shù)資料
| 型號： | P80C38X2 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | RECTIFIER BRIDGE 4A 200V 120A-ifsm 1V-vf 5uA-ir KBJ 20/TUBE |
| 中文描述： | 80C51的8位單片機系列4K/8K/16K/32K的ROM / RAM的檢察官辦公室128B/256B低電壓2.7至5.5 V，低功耗，高速33分之30兆赫 |
| 文件頁數(shù)： | 15/62頁 |
| 文件大?。?/td> | 403K |
| 代理商： | P80C38X2 |
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Philips Semiconductors
Product data
P80C3xX2; P80C5xX2;
P87C5xX2
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
2003 Jan 24
15
GATE
C/T
M1
M0
GATE
C/T
M1
M0
BIT
TMOD.3/
TMOD.7
TMOD.2/
TMOD.6
SYMBOL
GATE
FUNCTION
Gating control when set. Timer/Counter “n” is enabled only while “INTn” pin is high and
“TRn” control pin is set. when cleared Timer “n” is enabled whenever “TRn” control bit is set.
Timer or Counter Selector cleared for Timer operation (input from internal system clock.)
Set for Counter operation (input from “Tn” input pin).
C/T
M1
M0
OPERATING
0
0
8048 Timer: “TLn” serves as 5-bit prescaler.
0
1
16-bit Timer/Counter: “THn” and “TLn” are cascaded; there is no prescaler.
1
0
8-bit auto-reload Timer/Counter: “THn” holds a value which is to be reloaded
into “TLn” each time it overflows.
1
1
(Timer 0) TL0 is an 8-bit Timer/Counter controlled by the standard Timer 0 control bits.
TH0 is an 8-bit timer only controlled by Timer 1 control bits.
1
1
(Timer 1) Timer/Counter 1 stopped.
SU01580
TIMER 1
TIMER 0
Not Bit Addressable
TMOD
Address = 89H
Reset Value = 00H
7
6
5
4
3
2
1
0
Figure 1. Timer/Counter 0/1 Mode Control (TMOD) Register
INTn Pin
Timer n
Gate bit
TRn
TLn
(5 Bits)
THn
(8 Bits)
TFn
Interrupt
Control
C/T = 0
C/T = 1
SU01618
OSC
÷
d*
Tn Pin
*d = 6 in 6-clock mode; d = 12 in 12-clock mode.
Figure 2. Timer/Counter 0/1 Mode 0: 13-Bit Timer/Counter
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| P80C42 | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:UNIVERSAL PERIPHERAL INTERFACE CHMOS 8-BIT SLAVE MICROCONTROLLER |
| P80C453EBAA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:CMOS single-chip 8-bit microcontrollers |
| P80C453EFAA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:CMOS single-chip 8-bit microcontrollers |
| P80C51 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz |
| P80C51-12 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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