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PIC16F722A Datasheet, PDF (176/284 Pages) Microchip Technology – 28-Pin Flash Microcontrollers with nanoWatt XLP Technology
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PIC16F/LF722A/723A
REGISTER 17-5: SSPMSK: SSP MASK REGISTER
R/W-1
MSK7
bit 7
R/W-1
MSK6
R/W-1
MSK5
R/W-1
MSK4
R/W-1
MSK3
R/W-1
MSK2
R/W-1
MSK1
R/W-1
MSK0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-1
bit 0
MSK<7:1>: Mask bits
1 = The received address bit n is compared to SSPADD<n> to detect I2C address match
0 = The received address bit n is not used to detect I2C address match
MSK<0>: Mask bit for I2C Slave Mode, 10-bit Address
I2C Slave Mode, 10-bit Address (SSPM<3:0> = 0111):
1 = The received address bit ‘0’ is compared to SSPADD<0> to detect I2C address match
0 = The received address bit ‘0’ is not used to detect I2C address match
All other SSP modes: this bit has no effect.
REGISTER 17-6: SSPADD: SSP I2C ADDRESS REGISTER
R/W-0
ADD7
bit 7
R/W-0
ADD6
R/W-0
ADD5
R/W-0
ADD4
R/W-0
ADD3
R/W-0
ADD2
R/W-0
ADD1
R/W-0
ADD0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-0
ADD<7:0>: Address bits
Received address
TABLE 17-7: REGISTERS ASSOCIATED WITH I2C OPERATION
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
INTCON
GIE
PEIE
T0IE INTE RBIE
T0IF
INTF
RBIF 0000 000x 0000 000u
PIR1
TMR1GIF ADIF RCIF TXIF SSPIF CCP1IF TMR2IF TMR1IF 0000 0000 0000 0000
PIE1
TMR1GIE ADIE RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE 0000 0000 0000 0000
SSPBUF
SSPADD
Synchronous Serial Port Receive Buffer/Transmit Register
Synchronous Serial Port (I2C mode) Address Register
xxxx xxxx uuuu uuuu
0000 0000 0000 0000
SSPCON
SSPMSK(2)
SSPSTAT
WCOL SSPOV SSPEN CKP SSPM3 SSPM2
Synchronous Serial Port (I2C mode) Address Mask Register
SMP(1)
CKE(1)
D/A
P
S
R/W
SSPM1
UA
SSPM0
BF
0000 0000
1111 1111
0000 0000
0000 0000
1111 1111
0000 0000
TRISC
Legend:
Note 1:
2:
TRISC7 TRISC6 TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 1111 1111 1111 1111
x = unknown, u = unchanged, - = unimplemented locations read as ‘0’. Shaded cells are not used by SSP module in I2C
mode.
Maintain these bits clear in I2C mode.
Accessible only when SSPM<3:0> = 1001.
DS41417A-page 176
 2010 Microchip Technology Inc.
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