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PIC16F1946 Scheda tecnica(PDF) 298 Page - Microchip Technology

Il numero della parte PIC16F1946
Spiegazioni elettronici  64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt XLP Technology
PDF  448 Pages
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Produttore elettronici  MICROCHIP [Microchip Technology]
Homepage  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F1946 Scheda tecnica(HTML) 298 Page - Microchip Technology

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PIC16(L)F1946/1947
DS41414C-page 298
Preliminary
 2010-2011 Microchip Technology Inc.
FIGURE 25-2:
EUSART RECEIVE BLOCK DIAGRAM
The operation of the EUSART module is controlled
through three registers:
• Transmit Status and Control (TXxSTA)
• Receive Status and Control (RCxSTA)
• Baud Rate Control (BAUDxCON)
These
registers
are
detailed
in
Register 25-1,
Register 25-2 and Register 25-3, respectively.
For all modes of EUSART operation, the TRIS control
bits corresponding to the RXx/DTx and TXx/CKx pins
should be set to ‘1’. The EUSART control will
automatically reconfigure the pin from input to output, as
needed.
When the receiver or transmitter section is not enabled
then the corresponding RXx/DTx or TXx/CKx pin may be
used for general purpose input and output.
RXx/DTx pin
Pin Buffer
and Control
Data
Recovery
CREN
OERR
FERR
RSR Register
MSb
LSb
RX9D
RCxREG Register
FIFO
Interrupt
RCxIF
RCxIE
Data Bus
8
Stop
START
(8)
7
1
0
RX9
• • •
SPxBRGL
SPxBRGH
BRG16
RCIDL
FOSC
÷ n
n
+ 1
Multiplier
x4
x16 x64
SYNC
1X00
0
BRGH
X110
0
BRG16
X101
0
Baud Rate Generator



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