PIC18F65J90-I/PT Microchip Technology, PIC18F65J90-I/PT Datasheet - Page 170
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PIC18F65J90-I/PT
Manufacturer Part Number
PIC18F65J90-I/PT
Description
IC PIC MCU FLASH 16KX16 64TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F63J11-IPT.pdf
(36 pages)
3.PIC18F63J90-IPT.pdf
(416 pages)
4.PIC18F63J90-IPT.pdf
(22 pages)
5.PIC18F63J90-IPT.pdf
(4 pages)
6.PIC18F63J90-IPT.pdf
(6 pages)
7.PIC18F63J90-IPT.pdf
(6 pages)
8.PIC18F63J90-IPT.pdf
(12 pages)
9.PIC18F85J90-IPT.pdf
(411 pages)
Specifications of PIC18F65J90-I/PT
Core Size
8-Bit
Program Memory Size
32KB (16K x 16)
Core Processor
PIC
Speed
40MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, LVD, POR, PWM, WDT
Number Of I /o
51
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TFQFP
Controller Family/series
PIC18
No. Of I/o's
51
Ram Memory Size
2KB
Cpu Speed
40MHz
No. Of Timers
4
No. Of Pwm Channels
2
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
AUSART, EUSART, I2C, SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
51
Number Of Timers
4
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, DV164136, DM183030
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 12 Channel
Package
64TQFP
Device Core
PIC
Family Name
PIC18
Maximum Speed
40 MHz
Operating Supply Voltage
2.5|3.3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC162079 - HEADER MPLAB ICD2 18F85J90 64/80AC164327 - MODULE SKT FOR 64TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F65J90-I/PT
Manufacturer:
VISHAY
Quantity:
2 400
Company:
Part Number:
PIC18F65J90-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
Part Number:
PIC18F65J90-I/PT
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- PIC16F616T-ISL PDF datasheet
- PIC18F63J11-IPT PDF datasheet #2
- PIC18F63J90-IPT PDF datasheet #3
- PIC18F63J90-IPT PDF datasheet #4
- PIC18F63J90-IPT PDF datasheet #5
- PIC18F63J90-IPT PDF datasheet #6
- PIC18F63J90-IPT PDF datasheet #7
- PIC18F63J90-IPT PDF datasheet #8
- PIC18F85J90-IPT PDF datasheet #9
- Current page: 170 of 416
- Download datasheet (4Mb)
PIC18F85J90 FAMILY
16.3.3
PIC18F85J90 family devices have four distinct circuit
configurations for LCD bias generation:
• M0: Regulator with Boost
• M1: Regulator without Boost
• M2: Resistor Ladder with Software Contrast
• M3: Resistor Ladder with Hardware Contrast
16.3.3.1
In M0 operation, the LCD charge pump feature is
enabled. This allows the regulator to generate voltages
up to +3.6V to the LCD (as measured at LCDBIAS3).
M0 uses a flyback capacitor connected between
V
LCDBIAS0 through LCDBIAS3, to obtain the required
voltage boost (Figure 16-3).
The output voltage (V
between LCDBIAS3 and LCDBIAS0. It is set by the
BIAS<2:0> bits which adjust the offset between
LCDBIAS0 and V
as a charge storage element for large LCD loads. This
mode is useful in those cases where the voltage
requirements of the LCD are higher than the micro-
controller’s V
display’s contrast by adjustment of bias voltage by
changing the value of the BIAS bits.
FIGURE 16-3:
DS39770C-page 170
LCAP
Note:
Note 1: These values are provided for design guidance only; they should be optimized for the application by the designer
1 and V
BIAS CONFIGURATIONS
When the device is put to Sleep while
operating in M0 or M1 mode, make sure
that the Bias capacitors are fully discharged
to get the lowest Sleep current.
DD
M0 (Regulator with Boost)
based on the actual LCD specifications.
LCAP
. It also permits software control of the
SS
2, as well as filter capacitors on
. The flyback capacitor (C
BIAS
LCD REGULATOR CONNECTIONS FOR M0 AND M1 CONFIGURATIONS
PIC18F85J90
) is the difference of potential
LCDBIAS3
LCDBIAS2
LCDBIAS1
LCDBIAS0
V
V
LCAP
LCAP
AV
DD
1
2
(V
V
BIAS
FLY
DD
Mode 0
) acts
up to 3.6V)
C
0.047 F
C3
0.047 F
C2
0.047 F
C1
0.047 F
C0
0.047 F
FLY
(1)
(1)
(1)
(1)
(1)
Generation of the voltage levels for 1/3 Bias is handled
M0 supports Static and 1/3 Bias types. Generation of
the voltage levels for 1/3 Bias is handled automatically,
but must be configured in software.
M0 is enabled by selecting a valid regulator clock
source (CKSEL<1:0> set to any value except ‘00’) and
setting the CPEN bit. If static Bias type is required, the
MODE13 bit must be cleared.
16.3.3.2
M1 operation is similar to M0, but does not use the LCD
charge pump. It can provide V
level supplied directly to LCDBIAS3. It can be used in
cases where V
never drop below a level that can provide adequate
contrast for the LCD. The connection of external com-
ponents is very similar to M0, except that LCDBIAS3
must be tied directly to V
The BIAS<2:0> bits can still be used to adjust contrast
in software by changing V
these bits changes the offset between LCDBIAS0 and
V
LCDBIAS0 and the voltage tied to LCDBIAS3. Thus, if
V
M0, the level of V
Like M0, M1 supports Static and 1/3 Bias types.
automatically but must be configured in software.
M1 is enabled by selecting a valid regulator clock
source (CKSEL<1:0> set to any value except ‘00’) and
clearing the CPEN bit. If 1/3 Bias type is required, the
MODE13 bit should also be set.
SS
DD
. In M1, this is reflected in the change between the
should change, V
M1 (Regulator without Boost)
DD
BIAS
(V
for the application is expected to
BIAS
Mode 1
is constant.
BIAS
V
V
2010 Microchip Technology Inc.
DD
DD
DD
V
BIAS
C
0.047 F
C2
0.047 F
C1
0.047 F
C0
0.047 F
will also change; where in
(Figure 16-3).
DD
FLY
. As with M0, changing
)
BIAS
(1)
(1)
(1)
(1)
up to the voltage
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