PIC16F914T-E/P 查看數據表（PDF） - Microchip Technology

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PIC16F914T-E/P

28/40/44/64-Pin Flash-Based, 8-Bit CMOS Microcontrollers with LCD Driver and nanoWatt Technology

Microchip Technology 

PIC16F913/914/916/917/946

3.5.1.7 RC6/TX/CK/SCK/SCL/SEG9

Figure 3-20 shows the diagram for this pin. The RC6

pin is configurable to function as one of the following:

• a general purpose I/O

• an asynchronous serial output

• a synchronous clock I/O

• a SPI clock I/O

• an I2C data I/O

• an analog output for the LCD

FIGURE 3-20:

BLOCK DIAGRAM OF RC6

PORT/USART/SSP Mode Select(1)

Data Bus

I2C™ Data Out

TX/CK Data Out

SCK Data Out

D

Q

WR PORTC

CK Q

Data Latch

D

Q

WR TRISC

CK Q

TRIS Latch

USART or I2C™ Drive

RD TRISC

SE9 and LCDEN

Schmitt

Trigger

VDD

I/O Pin

VSS

RD PORTC

CK/SCL/SCK Input

SEG9

SE9 and LCDEN

Note 1:

If all three data output sources are enabled, the following priority order will be used:

• USART data (highest)

• SSP data

• PORT data (lowest)

DS41250F-page 68

© 2007 Microchip Technology Inc.

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