PIC18LF2610-I/SP Microchip Technology, PIC18LF2610-I/SP Datasheet - Page 227
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PIC18LF2610-I/SP
Manufacturer Part Number
PIC18LF2610-I/SP
Description
IC MCU FLASH 32KX16 28SDIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F2221-ISO.pdf
(46 pages)
2.PIC18LF2410-ISO.pdf
(376 pages)
3.PIC18LF2410-ISO.pdf
(8 pages)
4.PIC18F2515-ISO.pdf
(16 pages)
5.PIC18F2515-ISO.pdf
(6 pages)
6.PIC18F2515-ISO.pdf
(8 pages)
Specifications of PIC18LF2610-I/SP
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
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Processor Series
PIC18LF
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3968 B
Interface Type
CCP, ECCP, EUSART, I2C, MSSP, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
25
Number Of Timers
1 x 8
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, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, ICE4000, DV164136
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Data Rom Size
3968 B
Height
3.3 mm
Length
34.67 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2 V
Width
7.24 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
- PIC18F2221-ISO PDF datasheet
- PIC18LF2410-ISO PDF datasheet #2
- PIC18LF2410-ISO PDF datasheet #3
- PIC18F2515-ISO PDF datasheet #4
- PIC18F2515-ISO PDF datasheet #5
- PIC18F2515-ISO PDF datasheet #6
- Current page: 227 of 376
- Download datasheet (7Mb)
20.0
The comparator voltage reference is a 16-tap resistor
ladder network that provides a selectable reference
voltage. Although its primary purpose is to provide a
reference for the analog comparators, it may also be
used independently of them.
A block diagram of the module is shown in Figure 20-1.
The resistor ladder is segmented to provide two ranges
of CV
conserve power when the reference is not being used.
The module’s supply reference can be provided from
either device V
20.1
The voltage reference module is controlled through the
CVRCON register (Register 20-1). The comparator
voltage reference provides two ranges of output
voltage, each with 16 distinct levels. The range to be
REGISTER 20-1:
© 2009 Microchip Technology Inc.
REF
COMPARATOR VOLTAGE
REFERENCE MODULE
Configuring the Comparator
Voltage Reference
values and has a power-down function to
bit 7
bit 6
bit 5
bit 4
bit 3-0
DD
/V
SS
or an external voltage reference.
CVRCON: COMPARATOR VOLTAGE REFERENCE CONTROL REGISTER
Legend:
R = Readable bit
-n = Value at POR
bit 7
CVREN: Comparator Voltage Reference Enable bit
1 = CV
0 = CV
CVROE: Comparator V
1 = CV
0 = CV
CVRR: Comparator V
1 = 0 to 0.667 CV
0 = 0.25 CV
CVRSS: Comparator V
1 = Comparator reference source, CV
0 = Comparator reference source, CV
CVR3:CVR0: Comparator V
When CVRR = 1:
CV
When CVRR = 0:
CV
CVREN
R/W-0
Note 1: CVROE overrides the TRISA<2> bit setting.
REF
REF
= ((CVR3:CVR0)/24) • (CV
= (CV
REF
REF
REF
REF
CVROE
circuit powered on
circuit powered down
voltage level is also output on the RA2/AN2/V
voltage is disconnected from the RA2/AN2/V
RSRC
RSRC
R/W-0
RSRC
/4) + ((CVR3:CVR0)/32) • (CV
to 0.75 CV
(1)
REF
REF
REF
, with CV
R/W-0
CVRR
Range Selection bit
Source Selection bit
Output Enable bit
W = Writable bit
‘1’ = Bit is set
REF
RSRC
RSRC
Value Selection bits (0 ≤ (CVR3:CVR0) ≤ 15)
, with CV
RSRC
CVRSS
R/W-0
/24 step size (low range)
RSRC
RSRC
used is selected by the CVRR bit (CVRCON<5>). The
primary difference between the ranges is the size of the
steps
(CVR3:CVR0), with one range offering finer resolution.
The equations used to calculate the output of the
comparator voltage reference are as follows:
The comparator reference supply voltage can come
from either V
V
voltage source is selected by the CVRSS bit
(CVRCON<4>).
The settling time of the comparator voltage reference
must be considered when changing the CV
Characteristics”).
output (see Table 25-3 in Section 25.0 “Electrical
)
REF
RSRC
If CVRR = 1:
CV
If CVRR = 0:
CV
CV
= (V
= V
- that are multiplexed with RA2 and RA3. The
(1)
PIC18F2X1X/4X1X
REF
REF
RSRC
selected
DD
/32 step size (high range)
REF
RSRC
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
CVR3
– V
= (CV
= ((CVR3:CVR0)/24) x CV
+) – (V
)
DD
)
SS
REF
and V
RSRC
REF
by
REF
-/CV
R/W-0
CVR2
-/CV
x 1/4) + (((CVR3:CVR0)/32) x
-)
SS
the
REF
, or the external V
REF
pin
CV
pin
x = Bit is unknown
REF
R/W-0
CVR1
DS39636D-page 229
RSRC
selection
REF
R/W-0
CVR0
+ and
bit 0
REF
bits
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