PIC16F914-I/PT Microchip Technology, PIC16F914-I/PT Datasheet - Page 66

• 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
4.4.1
Each PORTC 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 SSP, refer to the appropriate section
in this data sheet.
4.4.1.1
Figure 4-14 shows the diagram for this pin. The
RC0/VLCD1 pin is configurable to function as one of
the following:
• a general purpose I/O
• an analog input for the LCD bias voltage
4.4.1.2
Figure 4-15 shows the diagram for this pin. The
RC1/VLCD2 pin is configurable to function as one of
the following:
• a general purpose I/O
• an analog input for the LCD bias voltage
FIGURE 4-14:
DS41250B-page 64
RD PORTC
WR PORTC
WR TRISC
PIN DESCRIPTIONS AND
DIAGRAMS
VLCD1
Data Bus
RC0/VLCD1
RC1/VLCD2
BLOCK DIAGRAM OF RC0/VLCD1
TRIS Latch
Data Latch
D
D
CK
CK
RD TRISC
Q
Q
Q
Q
(VLCDEN and LMUX<1:0>
(VLCDEN and LMUX<1:0>
Preliminary
Q
EN
D
4.4.1.3
Figure 4-16 shows the diagram for this pin. The
RC2/VLCD3 pin is configurable to function as one of
the following:
• a general purpose I/O
• an analog input for the LCD bias voltage
00)
00)
RC2/VLCD3
Schmitt
Trigger
 2004 Microchip Technology Inc.
V
DD
RC0/VLCD1
Pin