參數(shù)資料
型號(hào): P87C591VFB
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 27 PF 5% 50V NPO/COG (0805) CHIP CAP TR
中文描述: 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 X 1.75 MM, PLASTIC, QFP-44
文件頁數(shù): 73/161頁
文件大?。?/td> 588K
代理商: P87C591VFB
1999 Aug 19
73
Philips Semiconductors
Objective Specification
Single-chip 8-bit microcontroller with CAN controller
P8xC591
Fig.28 UART Framing Error Detection.
handbook, full pagewidth
MHI029
SM0/FE
SM1
SM2
REN
TB8
RB8
TI
RI
SMOD1
SMOD0
0 : S0CON.7 = SM0
1 : S0CON.7 = FE
POF
WLE
GF1
GF0
PD
IDL
SCON
(98H)
PCON
(87H)
Set FE BIT if STOP BIT is 0 (FRAMING ERROR)
SM0 to UART MODE CONTROL
D0
D1
D2
D3
D4
D5
D6
D7
D8
START
bit
DATA byte
only
in
MODE 2, 3
STOP
bit
Fig.29 UART Multiprocessor Communication, Automatic Address Recognition.
handbook, full pagewidth
MHI030
SM0
SM1
SM2
REN
TB8
1
1
1
0
1
1
X
COMPARATOR
RB8
TI
RI
SCON
(98H)
D0
D1
D2
D3
D4
D5
D6
D7
D8
RECEIVED ADDRESS D0 TO D7
PROGRAMMED ADDRESS
In UART Mode 2 or Mode 3 and SM2 = 1:
Interrupt if REN = 1, RB8 = 1 and “Received Address” = “Programmed Address”
±
when own address received, clear SM2 to receive data bytes
±
when all data bytes have been received: set SM2 to wait for next address.
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