PIC16F84A-04I/P Microchip Technology Inc., PIC16F84A-04I/P Datasheet - Page 20

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

Specifications of PIC16F84A-04I/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 4-3:
TABLE 4-4:
DS35007B-page 18
06h
86h
81h
0Bh,8Bh INTCON
Legend: x = unknown, u = unchanged. Shaded cells are not used by PORTB.
RB0/INT
RB1
RB2
RB3
RB4
RB5
RB6
RB7
Legend: TTL = TTL input, ST = Schmitt Trigger.
Note 1: This buffer is a Schmitt Trigger input when configured as the external interrupt.
Address
Name
2: This buffer is a Schmitt Trigger input when used in Serial Programming mode.
PORTB
TRISB
OPTION_REG
Name
bit0
bit1
bit2
bit3
bit4
bit5
bit6
bit7
Bit
PORTB FUNCTIONS
SUMMARY OF REGISTERS ASSOCIATED WITH PORTB
TRISB7 TRISB6 TRISB5 TRISB4 TRISB3 TRISB2 TRISB1
RBPU
Buffer Type
Bit 7
RB7
GIE
TTL/ST
TTL/ST
TTL/ST
TTL
TTL
TTL
TTL
TTL
INTEDG
Bit 6
EEIE
(1)
(2)
(2)
RB6
Input/output pin or external interrupt input.
Internal software programmable weak pull-up.
Input/output pin. Internal software programmable weak pull-up.
Input/output pin. Internal software programmable weak pull-up.
Input/output pin. Internal software programmable weak pull-up.
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up.
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up.
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up. Serial programming clock.
Input/output pin (with interrupt-on-change).
Internal software programmable weak pull-up. Serial programming data.
T0CS
Bit 5
T0IE
RB5
T0SE
INTE
Bit 4
RB4
RBIE
Bit 3
PSA
RB3
I/O Consistency Function
Bit 2
T0IF
RB2
PS2
Bit 1
INTF
RB1
PS1
RB0/INT xxxx xxxx uuuu uuuu
TRISB0 1111 1111 1111 1111
RBIF
Bit 0
PS0
2001 Microchip Technology Inc.
1111 1111 1111 1111
0000 000x 0000 000u
Power-on
Value on
Reset
Value on
RESETS
all other