PIC16F887-E/P Microchip Technology, PIC16F887-E/P Datasheet - Page 45

• Manufacturer Part Number: PIC16F887-E/P
• Description: IC PIC MCU FLASH 8KX14 40DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F887-E/P

• Core Size: 8-Bit
• Program Memory Size: 14KB (8K x 14)
• Mfg Application Notes: Intro to Capacitive Sensing Appl Notes Layout and Physical Design Appl Note
• Core Processor: PIC
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 35
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 368 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Controller Family/series: PIC16F
• No. Of I/o's: 35
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 368Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Package: 40PDIP
• Device Core: PIC
• Family Name: PIC16
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 35
• Interface Type: I2C/SPI/USART
• On-chip Adc: 14-chx10-bit
• Number Of Timers: 3
• Processor Series: PIC16F
• Core: PIC
• Data Ram Size: 368 B
• Maximum Clock Frequency: 20 MHz
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 53273-916
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM164123, DM164120-3, DV164122
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LD
• Lead Free Status / Rohs Status: Details

3.2.3.2
Figure 3-2 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 negative analog input to Comparator C1 or C2
FIGURE 3-2:
© 2009 Microchip Technology Inc.
Data Bus
PORTA
PORTA
TRISA
TRISA
WR
WR
RD
RD
Note 1:
D
D
To Comparator
To A/D Converter
CK
CK
ANSEL determines Analog Input mode.
RA1/AN1/C12IN1-
Q
Q
Q
Q
BLOCK DIAGRAM OF RA1
Input Mode
Analog
(1)
V
V
DD
SS
PIC16F882/883/884/886/887
I/O Pin
3.2.3.3
Figure 3-3 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 negative voltage reference input for the ADC
• a comparator voltage reference output
• a positive analog input to Comparator C2
FIGURE 3-3:
Data Bus
PORTA
PORTA
TRISA
TRISA
and CV
WR
WR
RD
RD
Note 1:
REF
D
D
To Comparator (positive input)
To Comparator (V
To A/D Converter (V
To A/D Converter (analog channel)
CK
CK
ANSEL determines Analog Input mode.
RA2/AN2/V
Q
Q
Q
Q
BLOCK DIAGRAM OF RA2
VROE
REF
REF
REF
-)
-)
Input Mode
-/CV
Analog
CV
REF
REF
(1)
DS41291F-page 43
/C2IN+
V
V
DD
SS
I/O Pin