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參數(shù)資料
| 型號： | IS80C31-12PLI |
| 廠商： | INTEGRATED SILICON SOLUTION INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| 中文描述： | 8-BIT, 12 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 13/43頁 |
| 文件大?。?/td> | 337K |
| 代理商： | IS80C31-12PLI |
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IS80C51
IS80C31
Integrated Silicon Solution, Inc. — 1-800-379-4774
MC003-1D
11/19/98
13
ISSI
TMOD:
Timer/Counter Mode Control Register.
Not Bit Addressable.
Timer 1
GATE C/
T
M1 M0
Timer 0
GATE
C/
T
M1 M0
GATE When TRx (in TCON) is set and GATE=1, TIMER/
COUNTERx will run only while INTx pin is high
(hardware control). When GATE=0, TIMER/
COUNTERx will run only while TRx=1 (software
control).
C/
T
Timer or Counter selector. Cleared for Timer
operation (input from internal system clock). Set for
Counter operation (input from Tx input pin).
M1
Mode selector bit.
(1)
M0
Mode selector bit.
(1)
Note 1:
M1
M0
Operating mode
0
0
Mode 0. (13-bit Timer)
0
1
Mode 1. (16-bit Timer/Counter)
1
0
Mode 2. (8-bit auto-load Timer/Counter)
1
1
Mode 3. (Splits Timer 0 into TL0 and TH0. TL0 is
an 8-bit Timer/Counter controller by the standard
Timer 0 control bits. TH0 is an 8-bit Timer and is
controlled by Timer 1 control bits.)
1
1
Mode 3. (Timer/Counter 1 stopped).
SCON:
Serial Port Control Register. Bit Addressable.
7
SM0 SM1
6
5
4
3
2
1
TI
0
RI
SM2
REN
TB8
RB8
Register Description:
SM0
SCON.7
SM1
SCON.6
SM2
SCON.5
Serial port mode specifier.
(1)
Serial port mode specifier.
(1)
Enable the multiprocessor com-
munication feature in mode 2 and 3. In
mode 2 or 3, if SM2 is set to 1 then RI will
not be activated if the received 9th data
bit (RB8) is 0. In mode 1, if SM2=1 then
RI will not be activated if valid stop bit
was not received. In mode 0, SM2 should
be 0.
Set/Cleared by software to Enable/
Disable reception.
The 9th bit that will be transmitted in
mode 2 and 3. Set/Cleared by software.
In modes 2 and 3, RB8 is the 9th data bit
that was received. In mode 1, if SM2=0,
RB8 is the stop bit that was received. In
mode 0, RB8 is not used.
Transmit interrupt flag. Set by hardware
at the end of the 8th bit time in mode 0,
or at the beginning of the stop bit in the
other modes. Must be cleared by
software.
Receive interrupt flag. Set by hardware
at the end of the 8th bit time in mode 0,
or halfway through the stop bit time in
the other modes (except see SM2). Must
be cleared by software.
REN SCON.4
TB8
SCON.3
RB8
SCON.2
TI
SCON.1
RI
SCON.0
Note:
SM0
SM1 MODE
Description
Baud rate
0
0
0
Shift register
Fosc/12
0
1
1
8-bit UART
Variable
1
0
2
9-bit UART
Fosc/64 or Fosc/32
1
1
3
9-bit UART
Variable
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| IS80C31-12PQ | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IS80C31-12PQI | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IS80C31-12W | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IS80C31-12WI | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IS80C31-24PL | CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IS80C31-12PQ | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IS80C31-12PQI | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IS80C31-12W | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IS80C31-12WI | 制造商:ISSI 制造商全稱:Integrated Silicon Solution, Inc 功能描述:CMOS SINGLE CHIP 8-BIT MICROCONTROLLER |
| IS80C31-16 | 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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