PIC16F914-I/PT Microchip Technology, PIC16F914-I/PT Datasheet - Page 58

• 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
4.3.3
Each PORTB pin is multiplexed with other functions. The
pins and their combined functions are briefly described
here. For specific information about individual functions
such as the LCD or interrupts, refer to the appropriate
section in this data sheet.
4.3.3.1
Figure 4-9 shows the diagram for this pin. The
RB0/INT/SEG0 pin is configurable to function as one of
the following:
• a general purpose I/O
• an external edge triggered interrupt
• an analog output for the LCD
4.3.3.2
Figure 4-9 shows the diagram for this pin. The
RB1/SEG1 pin is configurable to function as one of the
following:
• a general purpose I/O
• an analog output for the LCD
4.3.3.3
Figure 4-9 shows the diagram for this pin. The
RB2/SEG2 pin is configurable to function as one of the
following:
• a general purpose I/O
• an analog output for the LCD
4.3.3.4
Figure 4-9 shows the diagram for this pin. The
RB3/SEG3 pin is configurable to function as one of the
following:
• a general purpose I/O
• an analog output for the LCD
DS41250B-page 56
PIN DESCRIPTIONS AND
DIAGRAMS
RB0/INT/SEG0
RB1/SEG1
RB2/SEG2
RB3/SEG3
Preliminary
 2004 Microchip Technology Inc.