PIC16F913ESLASHSS301 datasheet(134/272 Pages) MICROCHIP

Part #	PIC16F913E/SS301

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

PDF	272 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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134 / 272 page

PIC16F917/916/914/913

DS41250E-page 132

Preliminary

FIGURE 11-1:

USART TRANSMIT BLOCK DIAGRAM

FIGURE 11-2:

ASYNCHRONOUS MASTER TRANSMISSION

FIGURE 11-3:

ASYNCHRONOUS MASTER TRANSMISSION (BACK-TO-BACK)

TXIF

TXIE

Interrupt

TXEN

Baud Rate CLK

SPBRG

Baud Rate Generator

TX9D

MSb

LSb

Data Bus

TXREG Register

TSR Register

(8)

TX9

TRMT

SPEN

RC6/TX/CK/SCK/

Pin Buffer

and Control

• • •

SCL/SEG9 pin

Word 1

Stop bit

Word 1

Transmit Shift Reg

Start bit

bit 0

bit 1

bit 7/8

Write to TXREG

Word 1

BRG Output

(Shift Clock)

RC6/TX/CK/

TXIF bit

(Transmit Buffer

Reg. Empty Flag)

TRMT bit

(Transmit Shift

Reg. Empty Flag)

SCK/SCL/SEG9

Transmit Shift Reg.

Write to TXREG

BRG Output

(Shift Clock)

RC6/TX/CK/

TXIF bit

(Interrupt Reg. Flag)

TRMT bit

(Transmit Shift

Reg. Empty Flag)

Word 1

Word 2

Word 1

Word 2

Start bit

Stop bit

Start bit

Transmit Shift Reg.

Word 1

Word 2

bit 0

bit 1

bit 7/8

bit 0

Note:

This timing diagram shows two consecutive transmissions.

SCK/SCL/SEG9

PIC16F913E/SS301 Datasheet(PDF) 134 Page - Microchip Technology

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