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PIC16F87 Datasheet(PDF) 109 Page - Microchip Technology

Part # PIC16F87
Description  18/20/28-Pin Enhanced Flash MCUs with nanoWatt Technology
PDF  230 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F87 Datasheet(HTML) 109 Page - Microchip Technology

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 2002-2013 Microchip Technology Inc.
DS30487D-page 109
PIC16F87/88
TABLE 11-10: REGISTERS ASSOCIATED WITH SYNCHRONOUS MASTER TRANSMISSION
FIGURE 11-9:
SYNCHRONOUS TRANSMISSION
FIGURE 11-10:
SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on:
POR, BOR
Value on
all other
Resets
0Bh, 8Bh,
10Bh,18Bh
INTCON
GIE
PEIE
TMR0IE INT0IE
RBIE
TMR0IF
INT0IF
RBIF
0000 000x
0000 000u
0Ch
PIR1
—
ADIF(1)
RCIF
TXIF
SSPIF
CCP1IF
TMR2IF
TMR1IF
-000 0000
-000 0000
18h
RCSTA
SPEN
RX9
SREN
CREN
ADDEN
FERR
OERR
RX9D
0000 000x
0000 000x
19h
TXREG
AUSART Transmit Data Register
0000 0000
0000 0000
8Ch
PIE1
—
ADIE(1)
RCIE
TXIE
SSPIE
CCP1IE
TMR2IE
TMR1IE
-000 0000
-000 0000
98h
TXSTA
CSRC
TX9
TXEN
SYNC
—
BRGH
TRMT
TX9D
0000 -010
0000 -010
99h
SPBRG
Baud Rate Generator Register
0000 0000
0000 0000
Legend:
x
= unknown, - = unimplemented, read as ‘0’. Shaded cells are not used for synchronous master transmission.
Note
1:
This bit is only implemented on the PIC16F88. The bit will read ‘0’ on the PIC16F87.
bit 0
bit 1
bit 7
Word 1
Q1Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1Q2Q3 Q4Q1Q2 Q3 Q4Q1 Q2 Q3 Q4
Q3 Q4 Q1 Q2 Q3Q4 Q1Q2 Q3 Q4 Q1 Q2Q3 Q4Q1 Q2 Q3 Q4 Q1Q2 Q3 Q4 Q1 Q2 Q3 Q4
bit 2
bit 0
bit 1
bit 7
RB2/SDO/
RB5/SS/TX/
Write to
TXREG Reg
TXIF bit
(Interrupt Flag)
TXEN bit
‘1’
‘1’
Word 2
TRMT bit
Write Word 1
Write Word 2
Note: Sync Master mode; SPBRG = 0. Continuous transmission of two 8-bit words.
RX/DT pin
CK pin
RB2/SDO/RX/DT pin
RB5/SS/TX/CK pin
Write to
TXREG Reg
TXIF bit
TRMT bit
bit 0
bit 1
bit 2
bit 6
bit 7
TXEN bit



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