PIC16F688 Datasheet, PDF (90/174 Pages) Microchip Technology – 14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F688
TABLE 10-5: REGISTERS ASSOCIATED WITH ASYNCHRONOUS TRANSMISSION
Addr Name
Bit 7
Bit 6
Bit 5
Bit 4 Bit 3
Bit 2 Bit 1
Bit 0
Value on
POR, BOD
Value on
all other
Resets
0Ch PIR1
EEIF ADIF RCIF C2IF C1IF OSFIF TXIF TMR1IF 0000 0000 0000 0000
11h BAUDCTL ABDOVF RCIDL
—
SCKP BRG16 —
WUE ABDEN 00-0 0-00 00-0 0-00
12h SPBRGH USART Baud Rate High Generator
0000 0000 0000 0000
13h SPBRG USART Baud Rate Generator
0000 0000 0000 0000
14h RCREG USART Receive Register
0000 0000 0000 0000
15h TXREG USART Transmit Register
0000 0000 0000 0000
16h TXSTA
CSRC TX9 TXEN SYNC SENDB BRGH TRMT TX9D 0000 0010 0000 0010
17h RCSTA
SPEN RX9 SREN CREN ADDEN FERR OERR RX9D 0000 000X 0000 000X
8Ch PIE1
EEIE ADIE RCIE C2IE C1IE OSFIE TXIE TMR1IE 0000 0000 0000 0000
Legend: x = unknown, - = unimplemented locations read as ‘0’. Shaded cells are not used for Asynchronous Transmission.
DS41203B-page 88
Preliminary
 2004 Microchip Technology Inc.