Datasheet
PIC18F87K22 FAMILY
DS39960D-page 326 2009-2011 Microchip Technology Inc.
TABLE 21-4: REGISTERS ASSOCIATED WITH I
2
C™ OPERATION
Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
INTCON GIE/GIEH PEIE/GIEL
TMR0IE INT0IE RBIE TMR0IF INT0IF RBIF
PIR1 PSPIF ADIF RC1IF TX1IF SSP1IF TMR1GIF TMR2IF TMR1IF
PIE1 PSPIE ADIE RC1IE TX1IE SSP1IE TMR1GIE TMR2IE TMR1IE
IPR1
PSPIP ADIP RC1IP TX1IP SSP1IP TMR1GIP TMR2IP TMR1IP
PIR2 OSCFIF — SSP2IF BLC2IF BCL1IF HLVDIF TMR3IF TMR3GIF
PIE2 OSCFIE — SSP2IE BLC2IE BCL1IE HLVDIE TMR3IE TMR3GIE
IPR2
OSCFIP — SSP2IP BLC2IP BCL1IP HLVDIP TMR3IP TMR3GIP
PIR3 TMR5GIF — RC2IF TX2IF CTMUIF CCP2IF CCP1IF RTCCIF
PIE3 TMR5GIE — RC2IE TX2IE CTMUIE CCP2IE CCP1IE RTCCIE
IPR3
TMR5GIP — RC2IP TX2IP CTMUIP CCP2IP CCP1IP RTCCIP
TRISC TRISC7 TRISC6 TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0
TRISD TRISD7 TRISD6 TRISD5 TRISD4 TRISD3 TRISD2 TRISD1 TRISD0
SSP1BUF MSSP1 Receive Buffer/Transmit Register
SSP1ADD MSSP1 Address Register (I
2
C Slave mode),
MSSP1 Baud Rate Reload Register (I
2
C Master mode)
SSP1MSK
(1)
MSK7 MSK6 MSK5 MSK4 MSK3 MSK2 MSK1 MSK0
SSP1CON1 WCOL SSPOV SSPEN CKP SSPM3 SSPM2 SSPM1 SSPM0
SSP1CON2 GCEN ACKSTAT ACKDT ACKEN RCEN PEN RSEN SEN
GCEN
ACKSTAT ADMSK5
(2)
ADMSK4
(2)
ADMSK3
(2)
ADMSK2
(2)
ADMSK1
(2)
SEN
SSP1STAT SMP CKE D/A
PSR/WUA BF
SSP2BUF MSSP2 Receive Buffer/Transmit Register
SSP2ADD MSSP2 Address Register (I
2
C Slave mode),
MSSP2 Baud Rate Reload Register (I
2
C Master mode)
SSP2MSK
(1)
MSK7 MSK6 MSK5 MSK4 MSK3 MSK2 MSK1 MSK0
SSP2CON1 WCOL SSPOV SSPEN CKP SSPM3 SSPM2 SSPM1 SSPM0
SSP2CON2
GCEN ACKSTAT ACKDT ACKEN RCEN PEN RSEN SEN
GCEN ACKSTAT ADMSK5
(2)
ADMSK4
(2)
ADMSK3
(2)
ADMSK2
(2)
ADMSK1
(2)
SEN
SSP2STAT SMP CKE D/A
PSR/WUA BF
PMD0 CCP3MD CCP2MD CCP1MD UART2MD UART1MD SSP2MD SSP1MD ADCMD
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used by the MSSP module in I
2
C™ mode.
Note 1: SSPxMSK shares the same address in SFR space as SSPxADD, but is only accessible in certain I
2
C
Slave operating modes in 7-Bit Masking mode. See Section 21.4.3.4 “7-Bit Address Masking Mode” for
more details.
2: Alternate bit definitions for use in I
2
C Slave mode operations only.