28.4.6 SSPxCON2

Control Register for I²C Operation Only

Note:

The value that will be transmitted when the user initiates an Acknowledge sequence at the end of a receive.
If the I²C module is active, these bits may not be set (no spooling) and the SSPxBUF may not be written (or writes to the SSPxBUF are disabled).

Name:	SSPxCON2
Offset:	0x0691

MSSP Control Register 2


Bit	7	6	5	4	3	2	1	0
	GCEN	ACKSTAT	ACKDT	ACKEN	RCEN	PEN	RSEN	SEN
Access	R/W	R//HC/HS	R/W	R/W	R/W	R/W	R/W	R/W
Reset	0	0	0	0	0	0	0	0

Bit 7 – GCEN General Call Enable bit (Client mode only)

Value	Name	Description
x	Host mode	Don’t care
1	Client mode	General Call is enabled
0	Client mode	General Call is not enabled

Bit 6 – ACKSTAT Acknowledge Status bit (Host Transmit mode only)

Value	Description
1	Acknowledge was not received from client
0	Acknowledge was received from client

Bit 5 – ACKDT Acknowledge Data bit (Host Receive mode only)⁽¹⁾

Value	Description
1	Not Acknowledge
0	Acknowledge

Bit 4 – ACKEN Acknowledge Sequence Enable bit⁽²⁾

Value	Description
1	Initiates Acknowledge sequence on SDAx and SCLx pins and transmits ACKDT data bit;  automatically cleared by hardware
0	Acknowledge sequence is Idle

Bit 3 – RCEN Receive Enable bit (Host Receive mode only)⁽²⁾

Value	Description
1	Enables Receive mode for I²C
0	Receive is Idle

Bit 2 – PEN Stop Condition Enable bit (Host mode only)⁽²⁾

Value	Description
1	Initiates Stop condition on SDAx and SCLx pins; automatically cleared by hardware
0	Stop condition is Idle

Bit 1 – RSEN Repeated Start Condition Enable bit (Host mode only)⁽²⁾

Value	Description
1	Initiates Repeated Start condition on SDAx and SCLx pins; automatically cleared by hardware
0	Repeated Start condition is Idle

Bit 0 – SEN Start Condition Enable bit⁽²⁾

Value	Name	Description
1	Host	Initiates Start condition on SDAx and SCLx pins; automatically cleared by hardware
0	Host	Start condition is Idle
1	Client	Clock stretching is enabled
0	Client	Clock stretching is disabled

The value that will be transmitted when the user initiates an Acknowledge sequence at the end of a receive. If the I2C module is active, these bits may not be set (no spooling) and the SSPxBUF may not be written (or writes to the SSPxBUF are disabled).

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