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PIC16F877ATI/ML 数据表(PDF) 124 Page - Microchip Technology

部件名 PIC16F877ATI/ML
功能描述  28/40-pin Enhanced FLASH Microcontrollers
PDF  234 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

PIC16F877ATI/ML 数据表(HTML) 124 Page - Microchip Technology

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PIC16F87XA
DS39582B-page 122
 2003 Microchip Technology Inc.
TABLE 10-8:
REGISTERS ASSOCIATED WITH SYNCHRONOUS MASTER TRANSMISSION
FIGURE 10-9:
SYNCHRONOUS TRANSMISSION
FIGURE 10-10:
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
INTE
RBIE
TMR0IF
INTF
R0IF
0000 000x
0000 000u
0Ch
PIR1
PSPIF(1)
ADIF
RCIF
TXIF
SSPIF
CCP1IF
TMR2IF
TMR1IF
0000 0000
0000 0000
18h
RCSTA
SPEN
RX9
SREN
CREN
—
FERR
OERR
RX9D
0000 -00x
0000 -00x
19h
TXREG
USART Transmit Register
0000 0000
0000 0000
8Ch
PIE1
PSPIE(1)
ADIE
RCIE
TXIE
SSPIE
CCP1IE
TMR2IE
TMR1IE
0000 0000
0000 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:
Bits PSPIE and PSPIF are reserved on 28-pin devices; always maintain these bits clear.
bit 0
bit 1
bit 7
Word 1
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1Q2Q3 Q4Q1Q2Q3 Q4Q1 Q2 Q3 Q4
Q3 Q4 Q1Q2 Q3Q4 Q1Q2 Q3Q4 Q1Q2 Q3 Q4Q1 Q2 Q3Q4 Q1Q2 Q3 Q4 Q1 Q2Q3 Q4
bit 2
bit 0
bit 1
bit 7
RC7/RX/DT
RC6/TX/CK
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.
pin
pin
RC7/RX/DT pin
RC6/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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