PIC18F8390-I/PT Microchip Technology, PIC18F8390-I/PT Datasheet - Page 245
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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: 245 of 414
- Download datasheet (7Mb)
19.2
A single comparator is shown in Figure 19-2, along with
the relationship between the analog input levels and
the digital output. When the analog input at V
than the analog input V
is a digital low level. When the analog input at V
greater than the analog input V
comparator is a digital high level. The shaded areas of
the output of the comparator in Figure 19-2 represent
the uncertainty, due to input offsets and response time.
19.3
Depending on the comparator operating mode, either
an external or internal voltage reference may be used.
The analog signal present at V
signal at V
is adjusted accordingly (Figure 19-2).
FIGURE 19-2:
19.3.1
When external voltage references are used, the
comparator module can be configured to have the com-
parators operate from the same, or different reference
sources. However, threshold detector applications may
require the same reference. The reference signal must
be between V
pin of the comparator(s).
© 2007 Microchip Technology Inc.
V
V
Output
IN
IN
-
+
V
V
IN
IN
Comparator Operation
Comparator Reference
+
-
IN
EXTERNAL REFERENCE SIGNAL
+ and the digital output of the comparator
SS
and V
+
–
IN
SINGLE COMPARATOR
DD
-, the output of the comparator
and can be applied to either
IN
IN
- is compared to the
-, the output of the
Output
IN
PIC18F6390/6490/8390/8490
+ is less
IN
+ is
19.3.2
The comparator module also allows the selection of an
internally generated voltage reference from the com-
parator voltage reference module. This module is
described in more detail in Section 20.0 “Comparator
Voltage Reference Module”.
The internal reference is only available in the mode
where four inputs are multiplexed to two comparators
(CM2:CM0 = 110). In this mode, the internal voltage
reference is applied to the V
19.4
Response time is the minimum time, after selecting a
new reference voltage or input source, before the
comparator output has a valid level. If the internal ref-
erence is changed, the maximum delay of the internal
voltage reference must be considered when using the
comparator outputs. Otherwise, the maximum delay of
the comparators should be used (see Section 26.0
“Electrical Characteristics”).
19.5
The comparator outputs are read through the CMCON
register. These bits are read-only. The comparator
outputs may also be directly output to the RF2 and RF1
I/O pins. When enabled, multiplexers in the output path
of the RF2 and RF1 pins will switch and the output of
each pin will be the unsynchronized output of the
comparator.
comparators is related to the input offset voltage and
the response time given in the specifications.
Figure 19-3 shows the comparator output block
diagram.
The TRISF bits will still function as an output enable/
disable for the RF2 and RF1 pins while in this mode.
The polarity of the comparator outputs can be changed
using the C2INV and C1INV bits (CMCON<5:4>).
Note 1: When reading the PORT register, all pins
2: Analog levels on any pin defined as a
Comparator Response Time
Comparator Outputs
INTERNAL REFERENCE SIGNAL
configured as analog inputs will read as a
‘0’. Pins configured as digital inputs will
convert an analog input according to the
Schmitt Trigger input specification.
digital input may cause the input buffer to
consume more current than is specified.
The
uncertainty
IN
+ pin of both comparators.
of
DS39629C-page 243
each
of
the
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