PIC16F876AT-I/SO Microchip Technology, PIC16F876AT-I/SO Datasheet - Page 152

• Manufacturer Part Number: PIC16F876AT-I/SO
• Description: IC MCU CMOS 20MHZ 8K FLSH 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F876AT-I/SO

• Core Size: 8-Bit
• Program Memory Size: 14KB (8K x 14)
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Controller Family/series: PIC16F
• No. Of I/o's: 22
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 368Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PICmicro MID-RANGE MCU FAMILY
9.8
DS31009A-page 9-12
PORTG and the TRISG Register
PORTG is a digital input only port. Each pin is multiplexed with an LCD segment driver. These
pins have Schmitt Trigger input buffers.
Example 9-7: Initializing PORTG
Figure 9-10: PORTG LCD Block Diagram
LCD Segment Data
LCD Segment Output Enable
LCDSE<n>
Data Bus
RD PORT
RD TRIS
BCF
BSF
BCF
BCF
STATUS, RP0
STATUS, RP1
LCDSE, SE27
LCDSE, SE20
; Select Bank2
;
; Make all PORTG
;
and PORTE<7> digital inputs
V
DD
Q
EN
D
1997 Microchip Technology Inc.
Schmitt
Trigger
input
buffer
Digital Input/
LCD Output pin