PIC18F2520-I/ML Microchip Technology, PIC18F2520-I/ML Datasheet - Page 238
PIC18F2520-I/ML
Manufacturer Part Number
PIC18F2520-I/ML
Description
IC PIC MCU FLASH 16KX16 28QFN
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2221-ISO.pdf
(46 pages)
3.PIC18F2420-IML.pdf
(412 pages)
4.PIC18F2420-IML.pdf
(16 pages)
5.PIC18F2420-IML.pdf
(8 pages)
6.PIC18F2420-IML.pdf
(6 pages)
7.PIC18F2420-IML.pdf
(8 pages)
8.PIC18F2420-IML.pdf
(4 pages)
9.PIC18F4420-IP.pdf
(390 pages)
Specifications of PIC18F2520-I/ML
Program Memory Type
FLASH
Program Memory Size
32KB (16K x 16)
Package / Case
28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
25
Eeprom Size
256 x 8
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
1.5 KB
Interface Type
EUSART/I2C/MSSP/SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DM163022, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10-ch x 10-bit
Package
28QFN EP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Data Rom Size
256 KB
Height
0.88 mm
Length
6 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.2 V
Width
6 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
MCP3909RD-3PH1 - REF DESIGN MCP3909 3PH ENGY MTRXLT28QFN4 - SOCKET TRANS ICE 28QFN W/CABLEAC164322 - MODULE SOCKET MPLAB PM3 28/44QFN
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC18F2520-I/ML
Manufacturer:
MICROCHI
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F2420-IML PDF datasheet #3
- PIC18F2420-IML PDF datasheet #4
- PIC18F2420-IML PDF datasheet #5
- PIC18F2420-IML PDF datasheet #6
- PIC18F2420-IML PDF datasheet #7
- PIC18F2420-IML PDF datasheet #8
- PIC18F4420-IP PDF datasheet #9
- Current page: 238 of 390
- Download datasheet (8Mb)
PIC18F2420/2520/4420/4520
FIGURE 20-3:
20.6
The comparator interrupt flag is set whenever there is
a change in the output value of either comparator.
Software will need to maintain information about the
status of the output bits, as read from CMCON<7:6>, to
determine the actual change that occurred. The CMIF
bit (PIR2<6>) is the Comparator Interrupt Flag. The
CMIF bit must be reset by clearing it. Since it is also
possible to write a ‘1’ to this register, a simulated
interrupt may be initiated.
Both the CMIE bit (PIE2<6>) and the PEIE bit
(INTCON<6>) must be set to enable the interrupt. In
addition, the GIE bit (INTCON<7>) must also be set. If
any of these bits are clear, the interrupt is not enabled,
though the CMIF bit will still be set if an interrupt
condition occurs.
The user, in the Interrupt Service Routine, can clear the
interrupt in the following manner:
a)
b)
A mismatch condition will continue to set flag bit CMIF.
Reading CMCON will end the mismatch condition and
allow flag bit CMIF to be cleared.
DS39631A-page 236
Note:
Port pins
Any read or write of CMCON will end the
mismatch condition.
Clear flag bit CMIF.
Comparator Interrupts
If a change in the CMCON register
(C1OUT or C2OUT) should occur when a
read operation is being executed (start of
the Q2 cycle), then the CMIF (PIR
registers) interrupt flag may not get set.
Read CMCON
COMPARATOR OUTPUT BLOCK DIAGRAM
CxINV
Reset
Preliminary
20.7
When a comparator is active and the device is placed
in Sleep mode, the comparator remains active and the
interrupt is functional if enabled. This interrupt will
wake-up the device from Sleep mode, when enabled.
Each operational comparator will consume additional
current, as shown in the comparator specifications. To
minimize power consumption while in Sleep mode, turn
off the comparators (CM2:CM0 = 111) before entering
Sleep. If the device wakes up from Sleep, the contents
of the CMCON register are not affected.
20.8
A device Reset forces the CMCON register to its Reset
state, causing the comparator modules to be turned off
(CM2:CM0 = 111). However, the input pins (RA0
through RA3) are configured as analog inputs by
default on device Reset. The I/O configuration for these
pins is determined by the setting of the PCFG3:PCFG0
bits (ADCON1<3:0>). Therefore, device current is
minimized when analog inputs are present at Reset
time.
D
D
EN
EN
CL
Q
Q
Comparator Operation
During Sleep
Effects of a Reset
Comparator
2004 Microchip Technology Inc.
From
other
To RA4 or
RA5 pin
Bus
Data
Set
CMIF
bit
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