PIC16F84A-20/SS Microchip Technology, PIC16F84A-20/SS Datasheet - Page 18

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

Specifications of PIC16F84A-20/SS

• Core Size: 8-Bit
• Program Memory Size: 1.75KB (1K x 14)
• Core Processor: PIC
• Speed: 20MHz
• 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: 0°C ~ 70°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: 20MHz
• 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

PIC16F84A
TABLE 4-1:
TABLE 4-2:
DS35007B-page 16
RA0
RA1
RA2
RA3
RA4/T0CKI
Legend: TTL = TTL input, ST = Schmitt Trigger input
Address
05h
85h
Legend: x = unknown, u = unchanged, - = unimplemented, read as '0'. Shaded cells are unimplemented, read as '0'.
Name
PORTA
TRISA
Name
SUMMARY OF REGISTERS ASSOCIATED WITH PORTA
PORTA FUNCTIONS
Bit0
bit0
bit1
bit2
bit3
bit4
Bit 7
—
—
Buffer Type
Bit 6
—
—
TTL
TTL
TTL
TTL
ST
Bit 5
—
—
RA4/T0CKI
Input/output
Input/output
Input/output
Input/output
Output is open drain type.
Input/output or external clock input for TMR0.
TRISA4
Bit 4
TRISA3 TRISA2 TRISA1 TRISA0 ---1 1111 ---1 1111
Bit 3
RA3
Bit 2
RA2
Bit 1
RA1
Function
Bit 0
RA0
2001 Microchip Technology Inc.
---x xxxx ---u uuuu
Power-on
Value on
Reset
Value on all
RESETS
other