PIC16F1933-ESLASHP datasheet(276/418 Pages) MICROCHIP

Part #	PIC16F1933-E/P

Description	28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

PDF	418 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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276 / 418 page

PIC16F193X/LF193X

DS41364A-page 274

Preliminary

The I2C interface supports the following modes and

features:

•Master mode

• Slave mode

• Byte NACKing (Slave mode)

• Limited Multi-master support

• 7-bit and 10-bit addressing

• Start and Stop interrupts

• Interrupt masking

• Clock stretching

• Bus collision detection

• General call address matching

•Address masking

• Address Hold and Data Hold modes

• Selectable SDA hold times

Figure 22-2 is a block diagram of the I2C interface mod-

ule in Master mode. Figure 22-3 is a diagram of the I2C

interface module in Slave mode.

FIGURE 22-2:

MSSP BLOCK DIAGRAM (I2C™ MASTER MODE)

Read

Write

SSPSR

Start bit, Stop bit,

Start bit detect,

SSPBUF

Internal

data bus

Set/Reset: S, P, SSPSTAT, WCOL, SSPOV

Shift

Clock

MSb

LSb

SDA

Acknowledge

Generate (SSPCON2)

Stop bit detect

Write collision detect

Clock arbitration

State counter for

end of XMIT/RCV

SCL

SCL in

Bus Collision

SDA in

[SSPM 3:0]

Baud rate

Reset SEN, PEN (SSPCON2)

generator

(SSPADD)

Address Match detect

Set SSPIF, BCLIF

PIC16F1933-E/P Datasheet(PDF) 276 Page - Microchip Technology

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