PIC16F914-I/PT Microchip Technology, PIC16F914-I/PT Datasheet - Page 80

• 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
4.6.1
Each PORTE 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 comparator or the A/D, refer to the
appropriate section in this data sheet.
4.6.1.1
Figure 4-26 shows the diagram for this pin. The
RE0/AN5/SEG21pin is configurable to function as one
of the following:
• a general purpose I/O
• an analog input for the A/D
• an analog output for the LCD
4.6.1.2
Figure 4-26 shows the diagram for this pin. The
RE1/AN6/SEG22 pin is configurable to function as one
of the following:
• a general purpose I/O
• an analog input for the A/D
• an analog output for the LCD
FIGURE 4-26:
DS41250B-page 78
WR PORTE
WR TRISE
Data Bus
RD PORTE
SEG<23:21>
AN<7:5>
PIN DESCRIPTIONS AND
DIAGRAMS
RE0/AN5/SEG21
RE1/AN6/SEG22
TRIS Latch
BLOCK DIAGRAM OF RE<2:0>
Data Latch
D
D
CK
CK
RD TRISE
Q
Q
Q
Q
SE<23:21> and LCDEN
SE<23:21> and LCDEN
Analog Mode or
Preliminary
Q
EN
D
4.6.1.3
Figure 4-26 shows the diagram for this pin. The
RE2/AN7/SEG23 pin is configurable to function as one
of the following:
• a general purpose I/O
• an analog input for the A/D
• an analog output for the LCD
4.6.1.4
Figure 4-27 shows the diagram for this pin. The
RE3/MCLR/V
of the following:
• a digital input only
• as Master Clear Reset with weak pull-up
• a programming voltage reference input
Schmitt
Trigger
RE2/AN7/SEG23
RE3/MCLR/V
PP
pin is configurable to function as one
 2004 Microchip Technology Inc.
PP
V
DD
RE<2:0> Pin