PIC18F65J90-I/PT Microchip Technology, PIC18F65J90-I/PT Datasheet - Page 168
![IC PIC MCU FLASH 16KX16 64TQFP](/photos/6/81/68123/c04-066_pf_sml.jpg)
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: 168 of 416
- Download datasheet (4Mb)
PIC18F85J90 FAMILY
16.2
The LCD driver module generates its internal clock
from 3 possible sources:
• System clock (F
• Timer1 oscillator
• INTRC source
The LCD clock generator uses a configurable
divide-by-32/divide-by-8192 postscaler to produce a
baseline frequency of about 1 kHz nominal, regardless
of the source selected. The clock source selection and
the postscaler configuration are determined by the
Clock Source Select bits, CS<1:0> (LCDCON<3:2>).
An additional programmable prescaler is used to derive
the LCD frame frequency from the 1 kHz baseline. The
prescaler is configured using the LP<3:0> bits
(LCDPS<3:0>) for any one of 16 options, ranging from
1:1 to 1:16.
Proper timing for waveform generation is set by the
LMUX<1:0>
determine which Commons Multiplexing mode is to be
used, and divide down the LCD clock source as
required. They also determine the configuration of the
ring counter that is used to switch the LCD commons
on or off.
16.2.1
In addition to the clock source for LCD timing, a
separate 31 kHz nominal clock is required for the LCD
charge pump. This is provided from a distinct branch of
the LCD clock source.
FIGURE 16-2:
DS39770C-page 168
INTOSC 8 MHz Source
System Clock (F
Internal 31 kHz Source
Timer1 Oscillator
LCD Clock Source
LCDCON<3:2>
LCD VOLTAGE REGULATOR
CLOCK SOURCE
bits
OSC
OSC
(LCDCON<1:0>).
/4)
/4)
LCD CLOCK GENERATION
2
LCDCON<1:0>
LCDREG<1:0>
00
01
1x
These
÷256
÷4
÷2
bits
2
00
01
10
11
2
oscillator or the INTRC source, as well as the 8 MHz
prescaler). The charge pump clock source is configured
The charge pump clock can use either the Timer1
INTOSC source (after being divided by 256 by a
using the CKSEL<1:0> bits (LCDREG<1:0>).
16.2.2
When using the system clock as the LCD clock source,
it is assumed that the system clock frequency is a nom-
inal 32 MHz (for a F
Because the prescaler option for the F
selection is fixed at divide-by-8192, system clock
speeds that differ from 32 MHz will produce frame
frequencies and refresh rates different than discussed
in this chapter. The user will need to keep this in mind
when designing the display application.
The Timer1 and INTRC sources can be used as LCD
clock sources when the device is in Sleep mode. To
use the Timer1 oscillator, it is necessary to set the
T1OSCEN bit (T1CON<3>). Selecting either Timer1 or
INTRC as the LCD clock source will not automatically
activate these sources.
Similarly, selecting the INTOSC as the charge pump
clock source will not turn the oscillator on. To use
INTOSC, it must be selected as the system clock
source by using the FOSC2 Configuration bit.
If Timer1 is used as a clock source for the device, either
as an LCD clock source or for any other purpose, LCD
segment 32 become unavailable.
Programmable
LCDPS<3:0>
11
10
01
1:1 to 1:16
Prescaler
4
CLOCK SOURCE
CONSIDERATIONS
÷8192
÷32
or
OSC
2010 Microchip Technology Inc.
Ring Counter
/4 frequency of 8 MHz).
to LCD Charge Pump
÷1, 2, 3, 4
31 kHz Clock
OSC
COM0
COM1
COM2
COM3
/4 clock
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