PIC16F883-I/ML Microchip Technology, PIC16F883-I/ML Datasheet - Page 88
![IC PIC MCU FLASH 4KX14 28QFN](/photos/6/81/68120/150-28-qfn_sml.jpg)
PIC16F883-I/ML
Manufacturer Part Number
PIC16F883-I/ML
Description
IC PIC MCU FLASH 4KX14 28QFN
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)
Specifications of PIC16F883-I/ML
Core Size
8-Bit
Program Memory Size
7KB (4K x 14)
Core Processor
PIC
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
24
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
256 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
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Controller Family/series
PIC16F
No. Of I/o's
24
Eeprom Memory Size
256Byte
Ram Memory Size
256Byte
Cpu Speed
20MHz
No. Of Timers
3
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
MSSP, EUSART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
24
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM164120-3
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 11 Channel
Package
28QFN EP
Device Core
PIC
Family Name
PIC16
Maximum Speed
20 MHz
Operating Supply Voltage
2.5|3.3|5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MCP1631RD-MCC2 - REFERENCE DESIGN MCP1631HVXLT28QFN4 - SOCKET TRANS ICE 28QFN W/CABLEAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16F883-I/ML
Manufacturer:
MICROCHIP
Quantity:
1 200
- PIC16F616T-ISL PDF datasheet
- MCP1631RD-MCC2 PDF datasheet #2
- PIC16F882-ISS PDF datasheet #3
- PIC16F882-ISS PDF datasheet #4
- Current page: 88 of 328
- Download datasheet (6Mb)
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.
DS41291F-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.
FIGURE 8-4:
FIGURE 8-5:
Q1
Q3
C
CxOUT
Set CxIF (level)
CxIF
Q1
Q3
CxIN+
CxOUT
Set CxIF (level)
CxIF
IN
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
© 2009 Microchip Technology Inc.
reset by software
reset by software
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