PIC18F8390-I/PT Microchip Technology, PIC18F8390-I/PT Datasheet - Page 249
![no-image](/images/manufacturer_photos/0/4/439/microchip_technology_sml.jpg)
PIC18F8390-I/PT
Manufacturer Part Number
PIC18F8390-I/PT
Description
IC PIC MCU FLASH 4KX16 80TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F6310-IPT.pdf
(28 pages)
3.PIC18F6390-IPT.pdf
(414 pages)
4.PIC18F6390-IPT.pdf
(16 pages)
5.PIC18F6390-IPT.pdf
(12 pages)
6.PIC18F6390-IPT.pdf
(6 pages)
7.PIC18F6390-IPT.pdf
(4 pages)
8.PIC18F8490-IPT.pdf
(412 pages)
Specifications of PIC18F8390-I/PT
Program Memory Type
FLASH
Program Memory Size
8KB (4K x 16)
Package / Case
80-TFQFP
Core Processor
PIC
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, HLVD, LCD, POR, PWM, WDT
Number Of I /o
66
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
SPI, I2C, EUSART, AUSART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
66
Number Of Timers
4
Operating Supply Voltage
4.2 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, DV164136, DM163028
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
XLT80PT3 - SOCKET TRAN ICE 80MQFP/TQFPDM163028 - BOARD DEMO PICDEM LCDAC164320 - MODULE SKT MPLAB PM3 80TQFPAC174011 - MODULE SKT PROMATEII 80TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F8390-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F8390-I/PT
Manufacturer:
MICRO
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18F6310-IPT PDF datasheet #2
- PIC18F6390-IPT PDF datasheet #3
- PIC18F6390-IPT PDF datasheet #4
- PIC18F6390-IPT PDF datasheet #5
- PIC18F6390-IPT PDF datasheet #6
- PIC18F6390-IPT PDF datasheet #7
- PIC18F8490-IPT PDF datasheet #8
- Current page: 249 of 412
- Download datasheet (8Mb)
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 is of the module shown in
Figure 20-1.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.
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:
2004 Microchip Technology Inc.
COMPARATOR VOLTAGE
REFERENCE MODULE
Configuring the Comparator
Voltage Reference
bit 7
bit 6
bit 5
bit 4
bit 3-0
CVRCON: COMPARATOR VOLTAGE REFERENCE CONTROL REGISTER
bit 7
Legend:
R = Readable bit
-n = Value at POR
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
CVR3:CVR0: Comparator V
When CVRR = 1:
CV
When CVRR = 0:
CV
CVREN
R/W-0
Note 1: CVROE overrides the TRISF<5> bit setting if enabled for output; RF5 must also be
REF
REF
REF
REF
REF
REF
REF
= ((CVR3:CVR0)/24) • (CV
= (CV
values and has a
circuit powered on
circuit powered down
voltage level is also output on the RF5/AN10/CV
voltage is disconnected from the RF5/AN10/CV
CVROE
configured as an input by setting TRISF<5> to ‘1’.
RSRC
RSRC
RSRC
R/W-0
to 0.75 CV
to 0.75 CV
/4) + ((CVR3:CVR0)/32) • (CV
(1)
PIC18F6390/6490/8390/8490
REF
DD
REF
REF
/V
R/W-0
CVRR
Range Selection bit
Preliminary
SS
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
, with CV
RSRC
CVRSS
R/W-0
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
output (see Table 26-3 in Section 26.0 “Electrical
Characteristics”).
)
REF
RSRC
RSRC
= (V
= V
If CVRR = 1:
CV
If CVRR = 0:
CV
CV
- that are multiplexed with RA2 and RA3. The
(1)
REF
REF
RSRC
DD
selected
/24 step size
/32 step size
REF
RSRC
R/W-0
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
CVR3
– V
= ((CVR3:CVR0)/24) x CV
+) – (V
= (CV
)
DD
)
SS
and V
DD
REF
by
REF
REF
x 1/4) + (((CVR3:CVR0)/32) x
R/W-0
CVR2
-)
/SEG23 pin
SS
/SEG23 pin
the
, or the external V
CV
x = Bit is unknown
REF
R/W-0
CVR1
DS39629B-page 247
RSRC
selection
REF
R/W-0
CVR0
+ and
bit 0
REF
bits
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