PIC16F887-E/P Microchip Technology Inc., PIC16F887-E/P Datasheet - Page 52

• 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

PIC16F882/883/884/886/887
3.4.4
Each PORTB pin is multiplexed with other functions. The
pins and their combined functions are briefly described
here. For specific information about individual functions
such as the SSP, I
section in this data sheet.
3.4.4.1
Figure 3-9 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• an analog input for the ADC
• an external edge triggered interrupt
3.4.4.2
Figure 3-9 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• an analog input for the ADC
• a PWM output
• an analog input to Comparator C1 or C2
3.4.4.3
Figure 3-9 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• an analog input for the ADC
• a PWM output
3.4.4.4
Figure 3-9 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• an analog input for the ADC
• Low-voltage In-Circuit Serial Programming enable
• an analog input to Comparator C1 or C2
DS41291E-page 50
pin
Note 1: P1C is available on PIC16F882/883/886
Note 1: P1B is available on PIC16F882/883/886
PIN DESCRIPTIONS AND
DIAGRAMS
only.
only.
RB0/AN12/INT
RB1/AN10/P1C
RB2/AN8/P1B
RB3/AN9/PGM/C12IN2-
(1)
(1)
2
C or interrupts, refer to the appropriate
(1)
(1)
/C12IN3-
FIGURE 3-9:
Data Bus
PORTB
PORTB
WPUB
WPUB
TRISB
TRISB
IOCB
IOCB
Interrupt-on-
WR
WR
WR
WR
RD
RD
RD
RD
Note 1:
Change
D
D
D
D
RB0/INT
RB3/PGM
To A/D Converter
To Comparator (RB1, RB3)
CK
CK
CK
CK
ANSELH determines Analog Input mode.
Q
Q
Q
Q
Q
Q
Q
Q
BLOCK DIAGRAM OF
RB<3:0>
CCP1OUT
Input Mode
RD PORTB
Analog
© 2008 Microchip Technology Inc.
CCP1OUT Enable
(1)
Input Mode
RBPU
Analog
1
0
Q
Q
(1)
EN
EN
D
D
V
DD
Weak
V
V
Q3
DD
SS
I/O Pin