PIC16F886-I/SP Microchip Technology, PIC16F886-I/SP Datasheet - Page 88
![IC PIC MCU FLASH 8KX14 28DIP](/photos/6/59/65908/150-28-dip_sml.jpg)
PIC16F886-I/SP
Manufacturer Part Number
PIC16F886-I/SP
Description
IC PIC MCU FLASH 8KX14 28DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.MCP1631RD-MCC2.pdf
(328 pages)
3.PIC16F882-ISS.pdf
(16 pages)
4.PIC16F882-ISS.pdf
(36 pages)
5.PIC16F883-ISO.pdf
(288 pages)
Specifications of PIC16F886-I/SP
Program Memory Type
FLASH
Program Memory Size
14KB (8K x 14)
Package / Case
28-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
24
Eeprom Size
256 x 8
Ram Size
368 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
368 B
Interface Type
MSSP/EUSART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
24
Number Of Timers
3
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM164123, DM164120-3, DV164122
Minimum Operating Temperature
- 40 C
On-chip Adc
11-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DM164123 - KIT MANAGEMENT SYSTEM PICDEMDVA18XP280 - DEVICE ADAPTER 18F2220 PDIP 28LD
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F886-I/SP
Manufacturer:
NXP
Quantity:
2 400
- PIC16F616T-ISL PDF datasheet
- MCP1631RD-MCC2 PDF datasheet #2
- PIC16F882-ISS PDF datasheet #3
- PIC16F882-ISS PDF datasheet #4
- PIC16F883-ISO PDF datasheet #5
- Current page: 88 of 288
- Download datasheet (5Mb)
PIC16F882/883/884/886/887
8.4
The comparator interrupt flag can be set whenever
there is a change in the output value of the comparator.
Changes are recognized by means of a mismatch
circuit which consists of two latches and an exclusive-
or gate (see Figures 8-2 and 8-3). One latch is updated
with the comparator output level when the CMxCON0
register is read. This latch retains the value until the
next read of the CMxCON0 register or the occurrence
of a Reset. The other latch of the mismatch circuit is
updated on every Q1 system clock. A mismatch
condition will occur when a comparator output change
is clocked through the second latch on the Q1 clock
cycle. At this point the two mismatch latches have
opposite output levels which is detected by the
exclusive-or gate and fed to the interrupt circuitry. The
mismatch condition persists until either the CMxCON0
register is read or the comparator output returns to the
previous state.
The comparator interrupt is set by the mismatch edge
and not the mismatch level. This means that the inter-
rupt flag can be reset without the additional step of
reading or writing the CMxCON0 register to clear the
mismatch registers. When the mismatch registers are
cleared, an interrupt will occur upon the comparator’s
return to the previous state, otherwise no interrupt will
be generated.
Software will need to maintain information about the
status of the comparator output, as read from the
CMxCON0 register, or CM2CON1 register, to determine
the actual change that has occurred.
The CxIF bit of the PIR2 register is the comparator
interrupt flag. This bit must be reset in software by
clearing it to ‘0’. Since it is also possible to write a ‘1’ to
this register, an interrupt can be generated.
The CxIE bit of the PIE2 register and the PEIE and GIE
bits of the INTCON register must all be set to enable
comparator interrupts. If any of these bits are cleared,
the interrupt is not enabled, although the CxIF bit of the
PIR2 register will still be set if an interrupt condition
occurs.
DS41291D-page 86
Note 1: A write operation to the CMxCON0
2: Comparator interrupts will operate correctly
Comparator Interrupt Operation
register will also clear the mismatch
condition because all writes include a read
operation at the beginning of the write
cycle.
regardless of the state of CxOE.
Preliminary
FIGURE 8-4:
FIGURE 8-5:
Q1
Q3
CxIN+
CxOUT
Set CxIF (edge)
CxIF
Q1
Q3
CxIN+
CxOUT
Set CxIF (edge)
CxIF
Note 1: If a change in the CMxCON0 register
cleared by CMxCON0 read
2: When either comparator is first enabled,
(CxOUT) should occur when a read oper-
ation is being executed (start of the Q2
cycle), then the CxIF of the PIR2 register
interrupt flag may not get set.
bias circuitry in the Comparator module
may cause an invalid output from the
comparator until the bias circuitry is stable.
Allow about 1 μs for bias settling then clear
the mismatch condition and interrupt flags
before enabling comparator interrupts.
T
T
RT
RT
COMPARATOR
INTERRUPT TIMING W/O
CMxCON0 READ
COMPARATOR
INTERRUPT TIMING WITH
CMxCON0 READ
© 2007 Microchip Technology Inc.
reset by software
reset by software
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