PIC16F887-I/PT Microchip Technology Inc., PIC16F887-I/PT Datasheet - Page 46

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PIC16F887-I/PT

Manufacturer Part Number
PIC16F887-I/PT
Description
MCU, 8-Bit, 8KW Flash, 368 RAM, 36 I/O, TQFP-44
Manufacturer
Microchip Technology Inc.
Datasheet

Specifications of PIC16F887-I/PT

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
44-pin TFQP
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

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PIC16F882/883/884/886/887
3.2.3.4
Figure 3-4 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose input
• an analog input for the ADC
• a positive voltage reference input for the ADC and
• a positive analog input to Comparator C1
FIGURE 3-4:
DS41291D-page 44
Data Bus
PORTA
PORTA
TRISA
TRISA
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.
RA3/AN3/V
Q
Q
Q
Q
BLOCK DIAGRAM OF RA3
REF
REF
REF
+)
Input Mode
+)
Analog
+/C1IN+
(1)
V
V
DD
SS
I/O Pin
Preliminary
3.2.3.5
Figure 3-5 shows the diagram for this pin. This pin is
configurable to function as one of the following:
• a general purpose I/O
• a clock input for Timer0
• a digital output from Comparator C1
FIGURE 3-5:
Data Bus
PORTA
PORTA
TRISA
TRISA
WR
WR
RD
RD
D
D
To Timer0
CK
CK
RA4/T0CKI/C1OUT
Q
Q
Q
Q
BLOCK DIAGRAM OF RA4
C1OUT
© 2007 Microchip Technology Inc.
C1OUT
Enable
1
0
V
V
DD
SS
I/O Pin

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