PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 50

• Manufacturer Part Number: PIC16F946T-I/PT
• Description: Microcontroller
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F946T-I/PT

• 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: 53
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 336 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
• Package / Case: 64-TFQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MA160011 - DAUGHTER BOARD PICDEM LCD 16F91X
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC16F946
3.4.1
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.
3.4.1.1
Figure 3-14 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
3.4.1.2
Figure 3-15 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 3-14:
DS41265A-page 48
WR PORTC
WR TRISC
PIN DESCRIPTIONS AND
DIAGRAMS
VLCD1
Data Bus
RC0/VLCD1
RC1/VLCD2
BLOCK DIAGRAM OF RC0/VLCD1
RD PORTC
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
3.4.1.3
Figure 3-16 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
© 2005 Microchip Technology Inc.
V
DD
RC0/VLCD1
Pin