PIC16F887-E/P Microchip Technology Inc., PIC16F887-E/P Datasheet - Page 44
PIC16F887-E/P
Manufacturer Part Number
PIC16F887-E/P
Description
40 PIN, 14KB FLASH, 368 RAM, 36 I/O, PDIP
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F887-EP.pdf
(328 pages)
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
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F887-E/P
Manufacturer:
TI
Quantity:
12 000
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Part Number:
PIC16F887-E/PT
Manufacturer:
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PIC16F882/883/884/886/887
3.2.3
Each PORTA 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 comparator or the A/D Converter (ADC),
refer to the appropriate section in this data sheet.
FIGURE 3-1:
DS41291E-page 42
PIN DESCRIPTIONS AND
DIAGRAMS
Data Bus
PORTA
PORTA
TRISA
TRISA
Note 1:
WR
WR
RD
RD
BLOCK DIAGRAM OF RA0
D
D
ANSEL determines Analog Input mode.
CK
CK
Q
Q
Q
Q
To Comparator
To A/D Converter
Input Mode
Analog
(1)
3.2.3.1
Figure 3-1 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
• an analog input for the Ultra Low-Power Wake-up
0
1
+
-
ULPWUE
RA0/AN0/ULPWU/C12IN0-
I
ULP
V
SS
V
TRG
© 2008 Microchip Technology Inc.
V
V
DD
SS
I/O Pin
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