PIC16F84A-04I/SS Microchip Technology, PIC16F84A-04I/SS Datasheet - Page 151

• Manufacturer Part Number: PIC16F84A-04I/SS
• Description: IC MCU FLASH 1KX14 EE 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F84A-04I/SS

• Core Size: 8-Bit
• Program Memory Size: 1.75KB (1K x 14)
• Core Processor: PIC
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 13
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Ram Size: 68 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SSOP
• Controller Family/series: PIC16F
• No. Of I/o's: 13
• Eeprom Memory Size: 64Byte
• Ram Memory Size: 68Byte
• Cpu Speed: 4MHz
• No. Of Timers: 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOPI3-DB16F84A - BOARD DAUGHTER ICEPIC3AC164307 - MODULE SKT FOR PM3 28SSOPAC164018 - MODULE SKT PROMATEII 20SSOP
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: PIC16F84A-04I/SSR; PIC16F84A-04I/SSR

9.7
1997 Microchip Technology Inc.
PORTF and the TRISF Register
PORTF is a digital input only port. Each pin is multiplexed with an LCD segment driver. These
pins have Schmitt Trigger input buffers.
Example 9-6: Initializing PORTF
Figure 9-9: PORTF LCD Block Diagram
LCDSE<n>
Data Bus
RD PORT
RD TRIS
LCD Segment Data
LCD Segment
Output Enable
Note: I/O pins have protection diodes to V
BCF
BSF
BCF
BCF
STATUS, RP0
STATUS, RP1
LCDSE, SE16
LCDSE, SE12
V
; Select Bank2
;
; Make all PORTF
;
DD
digital inputs
DD
Section 9. I/O Ports
and V
Q
SS
EN
.
D
Schmitt
Trigger
input
buffer
DS31009A-page 9-11
Digital Input/
LCD Output pin
9