PIC16F887-E/P Microchip Technology, PIC16F887-E/P Datasheet - Page 86

• 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

PIC16F882/883/884/886/887
FIGURE 8-2:
FIGURE 8-3:
DS41291F-page 84
FixedRef
CV
C1R
FixedRef
CV
C2R
REF
REF
SEL
SEL
C12IN0-
C12IN1-
C12IN2-
C12IN3-
C2IN+
C12IN0-
C12IN1-
C12IN2-
C12IN3-
C1IN+
C2CH<1:0>
C1CH<1:0>
0
1
0
1
MUX
Note 1:
MUX
Note 1:
COMPARATOR C1 SIMPLIFIED BLOCK DIAGRAM
COMPARATOR C2 SIMPLIFIED BLOCK DIAGRAM
C1V
C1R
2:
3:
C2V
C2R
2:
3:
0
1
2
3
0
1
2
3
0
1
REF
2
MUX
0
1
REF
MUX
2
MUX
When C1ON = 0, the C1 comparator will produce a ‘0’ output to the XOR Gate.
Q1 and Q3 are phases of the four-phase system clock (F
Q1 is held high during Sleep mode.
MUX
When C2ON = 0, the C2 comparator will produce a ‘0’ output to the XOR Gate.
Q1 and Q3 are phases of the four-phase system clock (F
Q1 is held high during Sleep mode.
C2V
C2V
C1V
C1V
IN
IN
+
IN
IN
-
-
+
C2
C2ON
+
-
C1
C1ON
C2POL
(1)
C1POL
(1)
From Timer1
Q3*RD_CM2CON0
Clock
Q3*RD_CM1CON0
Q1
Q1
D
C2OUT
D
EN
Reset
D
EN
C1OUT
Reset
Q
Q
C2SYNC
Q
D
EN
C2POL
D
EN
CL
OSC
0
1
C1POL
OSC
MUX
CL
Q
Q
).
).
© 2009 Microchip Technology Inc.
To Timer1 Gate, SR Latch,
PWM Logic, and other
peripherals
RD_CM2CON0
RD_CM1CON0
C1OUT (to SR Latch)
To PWM Logic
SYNCC2OUT
Data Bus
Set C2IF
Data Bus
Set C1IF
To
To