PIC18F4480-E/P Microchip Technology, PIC18F4480-E/P Datasheet - Page 269
![IC PIC MCU FLASH 8KX16 40DIP](/photos/6/61/66192/150-40-dip_sml.jpg)
PIC18F4480-E/P
Manufacturer Part Number
PIC18F4480-E/P
Description
IC PIC MCU FLASH 8KX16 40DIP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F2221-ISO.pdf
(46 pages)
3.PIC18F4480-IPT.pdf
(490 pages)
4.PIC18F4480-IPT.pdf
(8 pages)
5.PIC18F4480-IPT.pdf
(6 pages)
6.PIC18F4480-IPT.pdf
(6 pages)
Specifications of PIC18F4480-E/P
Core Processor
PIC
Core Size
8-Bit
Speed
25MHz
Connectivity
CAN, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, POR, PWM, WDT
Number Of I /o
36
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
40-DIP (0.600", 15.24mm)
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
SPI, I2C, MSSP, EUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
36
Number Of Timers
4
Maximum Operating Temperature
+ 125 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, DM163011
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 11 Channel
For Use With
DVA18XP400 - DEVICE ADAPTER 18F4220 PDIP 40LDACICE0206 - ADAPTER MPLABICE 40P 600 MIL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F4480-E/P
Manufacturer:
Microchip Technology
Quantity:
135
Company:
Part Number:
PIC18F4480-E/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- PIC16F616T-ISL PDF datasheet
- PIC18F2221-ISO PDF datasheet #2
- PIC18F4480-IPT PDF datasheet #3
- PIC18F4480-IPT PDF datasheet #4
- PIC18F4480-IPT PDF datasheet #5
- PIC18F4480-IPT PDF datasheet #6
- Current page: 269 of 490
- Download datasheet (9Mb)
22.0
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 is of the module shown in
Figure 22-1.The resistor ladder is segmented to
provide two ranges of CV
power-down function to conserve power when the
reference is not being used. The module’s supply
reference can be provided from either device V
or an external voltage reference.
22.1
The voltage reference module is controlled through the
CVRCON register (Register 22-1). The comparator
voltage reference provides two ranges of output voltage,
REGISTER 22-1:
© 2009 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7
bit 6
bit 5
bit 4
bit 3-0
Note 1:
CVREN
R/W-0
COMPARATOR VOLTAGE
REFERENCE MODULE
Configuring the Comparator
Voltage Reference
CVROE overrides the TRISA<0> bit setting. If enabled for output, RA2 must also be configured as an
input by setting TRISA<2> to ‘1’.
CVREN: Comparator Voltage Reference Enable bit
1 = CV
0 = CV
CVROE: Comparator V
1 = CV
0 = CV
CVRR: Comparator V
1 = 0.00 CV
0 = 0.25 CV
CVRSS: Comparator V
1 = Comparator reference source, CV
0 = Comparator reference source, CV
CVR<3:0>: Comparator V
When CVRR = 1:
CV
When CVRR = 0:
CV
CVROE
REF
REF
R/W-0
CVRCON: COMPARATOR VOLTAGE REFERENCE CONTROL REGISTER
= ((CVR<3:0>)/24) • (CV
= (CV
REF
REF
REF
REF
(1)
circuit powered on
circuit powered down
voltage level is also output on the RA0/AN0/CV
voltage is disconnected from the RA0/AN0/CV
RSRC
RSRC
REF
RSRC
W = Writable bit
‘1’ = Bit is set
values and has a
to 0.75 CV
to 0.75 CV
R/W-0
CVRR
/4) + ((CVR<3:0>)/32) • (CV
REF
REF
REF
Range Selection bit
REF
Source Selection bit
Output Enable bit
RSRC
RSRC
PIC18F2480/2580/4480/4580
Value Selection bits (0 ≤ (CVR<3:0>) ≤ 15)
DD
CVRSS
RSRC
R/W-0
/V
, with CV
, with CV
SS
)
RSRC
RSRC
RSRC
RSRC
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
= (V
= V
(1)
R/W-0
RSRC
CVR3
each with 16 distinct levels. The range to be used is
selected by the CVRR bit (CVRCON<5>). The primary
difference between the ranges is the size of the steps
selected by the CV
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
(see
Characteristics”).
/24 step size
/32 step size
DD
REF
REF
– V
If CVRR = 1:
CV
If CVRR = 0:
CV
CV
)
- that are multiplexed with RA2 and RA3. The
+) – (V
SS
REF
REF
RSRC
Table 28-3
REF
= ((CVR<3:0>)/24) x CV
REF
REF
= (CV
)
DD
R/W-0
CVR2
pin
-)
pin
and V
DD
REF
in
x 1/4) + (((CVR<3:0>)/32) x
Selection bits (CVR<3:0>), with
SS
, or the external V
x = Bit is unknown
Section 28.0
R/W-0
CVR1
DS39637D-page 269
RSRC
“Electrical
REF
R/W-0
CVR0
REF
output
+ and
bit 0
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