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PIC16F720_13 Datasheet, PDF (158/254 Pages) Microchip Technology – 20-Pin Flash Microcontrollers
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PIC16(L)F720/721
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 17-3: REGISTERS ASSOCIATED WITH I2C OPERATION
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Register
on Page
INTCON
GIE
PEIE TMR0IE INTE RABIE TMR0IF INTF RABIF
38
PIR1
TMR1GIF ADIF RCIF TXIF SSPIF CCP1IF TMR2IF TMR1IF
40
PIE1
TMR1GIE ADIE RCIE TXIE SSPIE CCP1IE TMR2IE TMR1IE
39
SSPBUF
Synchronous Serial Port Receive Buffer/Transmit Register
139
SSPADD
ADD<7:0>
158
SSPCON
WCOL SSPOV SSPEN CKP SSPM3 SSPM2 SSPM1 SSPM0
156
SSPMSK(2)
MSK<7:0>
158
SSPSTAT
SMP(1)
CKE(1)
D/A
P
S
R/W
UA
BF
145
TRISB
TRISB7 TRISB6 TRISB5 TRISB4 —
—
—
—
55
Legend:
Note 1:
2:
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.
DS41430D-page 158
 2010-2013 Microchip Technology Inc.
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