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PIC16F74-E/SS Datasheet(PDF) 80 Page - Microchip Technology

Part # PIC16F74-E/SS
Description  28/40-pin, 8-bit CMOS FLASH Microcontrollers
PDF  174 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F74-E/SS Datasheet(HTML) 80 Page - Microchip Technology

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PIC16F7X
DS30325B-page 78
 2002 Microchip Technology Inc.
FIGURE 10-6:
SYNCHRONOUS TRANSMISSION
FIGURE 10-7:
SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
TABLE 10-7:
REGISTERS ASSOCIATED WITH SYNCHRONOUS MASTER TRANSMISSION
bit 0
bit 1
bit 7
Word 1
Q1Q2 Q3Q4 Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2 Q3Q4
Q3Q4 Q1Q2 Q3Q4 Q1Q2 Q3Q4 Q1Q2 Q3 Q4Q1 Q2Q3 Q4Q1 Q2Q3 Q4Q1 Q2Q3 Q4
bit 2
bit 0
bit 1
bit 7
RC7/RX/DT
RC6/TX/CK
Write to
TXREG reg
TXIF bit
(Interrupt Flag)
TRMT
TXEN bit
’1’
’1’
Note: Sync Master mode; SPBRG = ’0’. Continuous transmission of two 8-bit words.
Word 2
TRMT bit
Write Word 1
Write Word 2
pin
pin
RC7/RX/DT pin
RC6/TX/CK pin
Write to
TXREG reg
TXIF bit
TRMT bit
bit0
bit1
bit2
bit6
bit7
TXEN bit
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
RBIF
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 the PIC16F73/76 devices; always maintain these bits clear.



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