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參數(shù)資料
| 型號： | P83C524EBA |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-bit microcontrollers |
| 中文描述： | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 31/76頁 |
| 文件大?。?/td> | 400K |
| 代理商： | P83C524EBA |
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1997 Dec 15
31
Philips Semiconductors
Product specification
8-bit microcontrollers
P83C524; P80C528; P83C528
12.1
Serial Port Control Register (SCON)
Table 12
Serial Port Control register (address 98H)
Table 13
Description of the SCON bits
12.2
SM0 and SM1 operating modes (SCON)
SCON bits SM0 and SM1 can operate in the following modes (see Table 14):
Table 14
SM0 and SM1 operating modes
7
6
5
4
3
2
1
0
SM0
SM1
SM2
REN
TB8
RB8
TI
RI
BIT
SYMBOL
FUNCTION
7
6
5
SM0
SM1
SM2
see Table 14.
see Table 14.
Enables the multiprocessor communication feature in Modes 2 and 3
. In these
modes, 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 a valid stop bit is not received. In
Mode 0, SM2 should be 0.
Enables serial reception
. Set and cleared by software as required.
9th data bit that will be transmitted in Modes 2 and 3
. Set and cleared by software
as required.
In Modes 2 and 3, RB8 is the 9th data bit that is received
. In Mode 1, if SM2 = 0,
RB8 is the stop bit that is received. In Mode 0, RB8 is not used.
Transmit interrupt flag
. It is 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. TI must be cleared by software.
Receive interrupt flag
. It is 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). RI must be
cleared by software.
4
3
REN
TB8
2
RB8
1
TI
0
RI
MODE
SM0
SM1
DESCRIPTION
BAUD RATE
0
1
2
3
0
0
1
1
0
1
0
1
shift register
8-bit UART
9-bit UART
9-bit UART
1
12
f
OSC
variable
1
32
f
OSC
,
1
64
f
OSC
variable
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相關(guān)代理商/技術(shù)參數(shù) |
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| P83C524EBB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers |
| P83C524EBP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers |
| P83C524EFA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers |
| P83C524EFB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers |
| P83C524EFP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers |
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