OPTION_REG datasheet(184/222 Pages) MICROCHIP

184 / 222 page

MCP19111

DS22331A-page 184

 2013 Microchip Technology Inc.

SSPCON2: SSP CONTROL REGISTER 2

R/W-0/0

R-0/0

R/W-0/0

R/S/HS-0/0

R/W/HS-0/0

GCEN

ACKSTAT

ACKDT

ACKEN

RCEN

PEN

RSEN

SEN

bit 7

bit 0

Legend:

R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 7

GCEN: General Call Enable bit (in I2C Slave mode only)

= Enable interrupt when a general call address (0x00 or 00h) is received in the SSPSR

= General call address disabled

bit 6

ACKSTAT: Acknowledge Status bit (in I2C mode only)

= Acknowledge was not received

= Acknowledge was received

bit 5

ACKDT: Acknowledge Data bit (in I2C mode only)

In Receive mode:

Value transmitted when the user initiates an Acknowledge sequence at the end of a receive

= Not Acknowledge

= Acknowledge

bit 4

ACKEN: Acknowledge Sequence Enable bit (in I2C Master mode only)

In Master Receive mode:

= Initiate Acknowledge sequence on SDA and SCL pins, and transmit ACKDT data bit.

Automatically cleared by hardware.

= Acknowledge sequence Idle

bit 3

RCEN: Receive Enable bit (in I2C Master mode only)

= Enables Receive mode for I2C

= Receive Idle

bit 2

PEN: Stop Condition Enable bit (in I2C Master mode only)

SCK Release Control:

= Initiate Stop condition on SDA and SCL pins. Automatically cleared by hardware.

= Stop condition Idle

bit 1

RSEN: Repeated Start Condition Enabled bit (in I2C Master mode only)

= Initiate Repeated Start condition on SDA and SCL pins. Automatically cleared by hardware.

= Repeated Start condition Idle

bit 0

SEN: Start Condition Enabled bit (in I2C Master mode only)

In Master mode:

= Initiate Start condition on SDA and SCL pins. Automatically cleared by hardware.

= Start condition Idle

In Slave mode:

= Clock stretching is enabled for both slave transmit and slave receive (stretch enabled)

= Clock stretching is disabled

Note 1:

For bits ACKEN, RCEN, PEN, RSEN, SEN: If the I2C module is not in the Idle mode, this bit may not be

set (no spooling) and the SSPBUF may not be written (or writes to the SSPBUF are disabled).

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