PIC16F631-I/P Microchip Technology Inc., PIC16F631-I/P Datasheet - Page 172

• Manufacturer Part Number: PIC16F631-I/P
• Description: MCU, 8-Bit, 1KW Flash, 64 RAM, 18 I/O, PDIP-20
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F631-I/P

• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 128 Bytes
• Input Output: 18
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 20-pin PDIP
• Programmable Memory: 1.75K Bytes
• Ram Size: 64 Bytes
• Speed: 20 MHz
• Timers: 1-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC16F631/677/685/687/689/690
FIGURE 12-10:
FIGURE 12-11:
TABLE 12-7:
DS41262D-page 170
TX/CK pin
(SCKP = 0)
TX/CK pin
(SCKP = 1)
TRMT bit
RX/DT
pin
Write to
TXREG Reg
TXIF bit
(Interrupt Flag)
TXEN bit
BAUDCTL ABDOVF
INTCON
PIE1
PIR1
RCREG
RCSTA
SPBRG
SPBRGH
TRISB
TXREG
TXSTA
Legend:
Name
Note:
‘1’
x = unknown, – = unimplemented read as ‘0’. Shaded cells are not used for Synchronous Master Transmission.
EUSART Receive Data Register
EUSART Transmit Data Register
TRISB7
BRG15
CSRC
Sync Master mode, SPBRG = 0, continuous transmission of two 8-bit words.
SPEN
BRG7
Bit 7
Write Word 1
GIE
—
—
TXREG reg
REGISTERS ASSOCIATED WITH SYNCHRONOUS MASTER TRANSMISSION
RX/DT pin
TX/CK pin
TRMT bit
TXEN bit
TXIF bit
Write to
SYNCHRONOUS TRANSMISSION
SYNCHRONOUS TRANSMISSION (THROUGH TXEN)
TRISB6
BRG14
RCIDL
BRG6
ADIE
PEIE
ADIF
Bit 6
RX9
TX9
bit 0
Write Word 2
TRISB5
BRG13
SREN
BRG5
TXEN
RCIE
RCIF
Bit 5
T0IE
—
bit 1
Word 1
TRISB4
BRG12
CREN
SCKP
BRG4
SYNC
INTE
Bit 4
TXIE
TXIF
bit 2
bit 0
ADDEN
SENDB
BRG16
BRG11
RABIE
SSPIE
SSPIF
BRG3
Bit 3
bit 1
CCP1IE
CCP1IF
BRG10
BRGH
FERR
BRG2
bit 7
Bit 2
T0IF
—
bit 2
TMR2IE
TMR2IF
bit 0
OERR
TRMT
BRG1
BRG9
WUE
Bit 1
INTF
Word 2
bit 1
TMR1IE
TMR1IF
ABDEN
RABIF
RX9D
BRG0
BRG8
TX9D
Bit 0
bit 6
© 2007 Microchip Technology Inc.
01-0 0-00
0000 000x
-000 0000
-000 0000
0000 0000
0000 000x
0000 0000
0000 0000
1111 ----
0000 0000
0000 0010
POR, BOR
Value on
bit 7
01-0 0-00
0000 000x
-000 0000
-000 0000
0000 0000
0000 000x
0000 0000
0000 0000
1111 ----
0000 0000
0000 0010
Value on
all other
Resets
bit 7
‘1’