PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 60

• 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
FIGURE 3-22:
FIGURE 3-23:
DS41265A-page 58
WR PORTD
WR PORTD
WR TRISD
WR TRISD
Data Bus
COM3
Data Bus
BLOCK DIAGRAM OF RD0/COM3
BLOCK DIAGRAM OF RD1
TRIS Latch
Data Latch
RD PORTD
TRIS Latch
Data Latch
RD PORTD
D
D
CK
CK
D
D
RD TRISD
CK
CK
RD TRISD
Q
Q
Q
Q
Q
Q
Q
Q
LCDEN and LMUX<1:0> = 11
Preliminary
LMUX<1:0> = 11
LCDEN and
Schmitt
Trigger
Schmitt
Trigger
© 2005 Microchip Technology Inc.
V
DD
V
DD
RD1 Pin
RD0/COM3
Pin