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參數(shù)資料
| 型號： | IS89C52 |
| 廠商： | Integrated Silicon Solution, Inc. |
| 英文描述： | CMOS Single Chip 8-Bit Microcontroller with 8-Kbytes of Flash(帶8K字節(jié)閃速存儲器的CMOS單片8位微控制器) |
| 中文描述： | CMOS單芯片8位微控制器與8的快閃記憶體（帶8K的字節(jié)閃速存儲器的的CMOS單片8位微控制器） |
| 文件頁數(shù)： | 14/50頁 |
| 文件大?。?/td> | 425K |
| 代理商： | IS89C52 |
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IS89C52
14
Integrated Silicon Solution, Inc. — 1-800-379-4774
MC013-1C
11/21/98
ISSI
T2CON:
Timer/Counter 2 Control Register. Bit Addressable.
7
6
5
4
3
2
1
T2
CP/
0
RL2
TF2
EXF2 RCLK TCLK EXEN2
TR2
C/
Register Description:
TF2
T2CON.7 Timer 2 overflow flag set by hardware
and cleared by software. TF2 cannot
be set when either RCLK = 1 or
TCLK = 1.
EXF2 T2CON.6 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 causes the CPU to
vector to the Timer 2 interrupt routine.
EXF2 must be cleared by software.
RCLK T2CON.5 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.
TLCK T2CON.4 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.
EXEN2
T2CON.3 Timer 2 external enable flag.
When set, allows a capture or reload to
occur as a result of 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.
TR2
T2CON.2 Software START/STOP control for
Timer 2. A logic 1 starts the Timer.
C/
T2
T2CON.1 Timer
0 = Internal Timer. 1 = External Event
Counter (triggered by falling edge).
CP/
RL2
T2CON.0
When set, captures occur on negative
transitions at T2EX if EXEN2 = 1. When
cleared, auto-reloads 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.
or
Counter
select.
Capture/Reload flag.
Note:
1. 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)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IS89C52-12PQI | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH |
| IS89C52-12W | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH |
| IS93C46-3 | 1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM |
| IS93C46-3G | 1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM |
| IS93C46-3GI | 1,024-BIT SERIAL ELECTRICALLY ERASABLE PROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IS89C52-12PL | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH |
| IS89C52-12PLI | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH |
| IS89C52-12PQ | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH |
| IS89C52-12PQI | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH |
| IS89C52-12W | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER with 8-Kbytes of FLASH |
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