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© 2007-2012 Microchip Technology Inc.
DS70291G-page  243
dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
bit 5
ACKDT: Acknowledge Data bit (when operating as I
2
C master, applicable during master receive)
Value that is transmitted when the software initiates an Acknowledge sequence.
1 = Send NACK during Acknowledge
0 = Send ACK during Acknowledge
bit 4
ACKEN: Acknowledge Sequence Enable bit 
 
(when operating as I
2
C master, applicable during master receive)
1 = Initiate Acknowledge sequence on SDAx and SCLx pins and transmit ACKDT data bit. 
 
Hardware clear at end of master Acknowledge sequence
0 = Acknowledge sequence not in progress
bit 3
RCEN: Receive Enable bit (when operating as I
2
C master)
1 = Enables Receive mode for I
2
C. Hardware clear at end of eighth bit of master receive data byte
0 = Receive sequence not in progress
bit 2
PEN: Stop Condition Enable bit (when operating as I
2
C master)
1 = Initiate Stop condition on SDAx and SCLx pins. Hardware clear at end of master Stop sequence
0 = Stop condition not in progress
bit 1
RSEN: Repeated Start Condition Enable bit (when operating as I
2
C master)
1 = Initiate Repeated Start condition on SDAx and SCLx pins. Hardware clear at end of 
 
master Repeated Start sequence
0 = Repeated Start condition not in progress
bit 0
SEN: Start Condition Enable bit (when operating as I
2
C master)
1 = Initiate Start condition on SDAx and SCLx pins. Hardware clear at end of master Start sequence
0 = Start condition not in progress
REGISTER 19-1:
I2CxCON: I2Cx CONTROL REGISTER (CONTINUED)