PIC16F887-E/P Microchip Technology Inc., PIC16F887-E/P Datasheet - Page 51

• Manufacturer Part Number: PIC16F887-E/P
• Description: 40 PIN, 14KB FLASH, 368 RAM, 36 I/O, PDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F887-E/P

• A/d Inputs: 14-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 256 Bytes
• Frequency: 20 MHz
• Input Output: 35
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 14K Bytes
• Ram Size: 368 Bytes
• Resistance, Drain To Source On: Bytes
• Serial Interface: MSSP or EUSART
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

REGISTER 3-7:
REGISTER 3-8:
© 2008 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-0
Note 1: Global RBPU bit of the OPTION register must be cleared for individual pull-ups to be enabled.
WPUB7
IOCB7
R/W-1
R/W-0
2: The weak pull-up device is automatically disabled if the pin is in configured as an output.
WPUB<7:0>: Weak Pull-up Register bit
1 = Pull-up enabled
0 = Pull-up disabled
IOCB<7:0>: Interrupt-on-Change PORTB Control bit
1 = Interrupt-on-change enabled
0 = Interrupt-on-change disabled
WPUB6
IOCB6
R/W-1
R/W-0
WPUB: WEAK PULL-UP PORTB REGISTER
IOCB: INTERRUPT-ON-CHANGE PORTB REGISTER
W = Writable bit
‘1’ = Bit is set
W = Writable bit
‘1’ = Bit is set
WPUB5
IOCB5
R/W-1
R/W-0
PIC16F882/883/884/886/887
WPUB4
IOCB4
R/W-1
R/W-0
U = Unimplemented bit, read as ‘0’
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
‘0’ = Bit is cleared
WPUB3
IOCB3
R/W-1
R/W-0
WPUB2
IOCB2
R/W-1
R/W-0
x = Bit is unknown
x = Bit is unknown
WPUB1
IOCB1
R/W-1
R/W-0
DS41291E-page 49
WPUB0
IOCB0
R/W-1
R/W-0
bit 0
bit 0