PIC16F914-I/PT Microchip Technology, PIC16F914-I/PT Datasheet - Page 134

• Manufacturer Part Number: PIC16F914-I/PT
• Description: IC PIC MCU FLASH 4KX14 44TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F914-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 44-TQFP, 44-VQFP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 35
• Eeprom Size: 256 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: SSP/I2C/AUSART/SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 35
• Number Of Timers: 3
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DV164120, DM163029
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

PIC16F91X
FIGURE 11-1:
FIGURE 11-2:
FIGURE 11-3:
DS41250B-page 132
Write to TXREG
BRG Output
(Shift Clock)
RC6/TX/CK/
SCK/SCL/SEG9
TXIF bit
(Interrupt Reg. Flag)
TRMT bit
(Transmit Shift
Reg. Empty Flag)
Note:
Write to TXREG
BRG Output
(Shift Clock)
RC6/TX/CK/
SCK/SCL/SEG9
TXIF bit
(Transmit Buffer
Reg. Empty Flag)
TRMT bit
(Transmit Shift
Reg. Empty Flag)
This timing diagram shows two consecutive transmissions.
TXIE
Interrupt
TXIF
TXEN
Baud Rate Generator
USART TRANSMIT BLOCK DIAGRAM
ASYNCHRONOUS MASTER TRANSMISSION
ASYNCHRONOUS MASTER TRANSMISSION (BACK TO BACK)
Word 1
Transmit Shift Reg.
Word 1
Transmit Shift Reg
Word 1
Word 1
SPBRG
Baud Rate CLK
Start bit
Start bit
MSb
Word 2
(8)
TX9D
TXREG Register
TSR Register
bit 0
bit 0
TX9
Preliminary
8
Data Bus
bit 1
Word 1
bit 1
Word 1
LSb
0
TRMT
bit 7/8
and Control
Word 2
Transmit Shift Reg.
Pin Buffer
bit 7/8
SPEN
 2004 Microchip Technology Inc.
Stop bit
Stop bit
RC6/TX/CK/SCK/
SCL/SEG9 pin
Start bit
Word 2
bit 0