PIC16F84A-04/P Microchip Technology Inc., PIC16F84A-04/P Datasheet - Page 18

• Manufacturer Part Number: PIC16F84A-04/P
• Description: 18 PIN, 1.75 KB FLASH, 68 RAM, 13 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F84A-04/P

• Cpu Speed: 5 MIPS
• Eeprom Memory: 64 Bytes
• Input Output: 13
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 18-pin PDIP
• Programmable Memory: 1.75K Bytes
• Ram Size: 68 Bytes
• Speed: 20 MHz
• Timers: 1-8-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

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