PIC18F87J90-I/PT Microchip Technology, PIC18F87J90-I/PT Datasheet - Page 155
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PIC18F87J90-I/PT
Manufacturer Part Number
PIC18F87J90-I/PT
Description
IC PIC MCU FLASH 128KB 80-TQFP
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC18F67J90-IPT.pdf
(450 pages)
2.PIC18F67J90-IPT.pdf
(3 pages)
3.PIC18F67J90-IPT.pdf
(10 pages)
4.PIC18F66J90-IPT.pdf
(444 pages)
Specifications of PIC18F87J90-I/PT
Program Memory Type
FLASH
Program Memory Size
128KB (64K x 16)
Package / Case
80-TFQFP
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, LCD, LVD, POR, PWM, WDT
Number Of I /o
67
Ram Size
3.8K 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
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3923 B
Interface Type
AUSART, EUSART, I2C, SPI
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
67
Number Of Timers
4
Operating Supply Voltage
2.65 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 12 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC162079 - HEADER MPLAB ICD2 18F85J90 64/80AC164323 - MODULE SKT FOR 100TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F87J90-I/PT
Manufacturer:
MICROCHIP
Quantity:
4 000
Company:
Part Number:
PIC18F87J90-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
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15.0
The key features of the Real-Time Clock and Calendar
(RTCC) module are:
• Time: hours, minutes and seconds
• 24-hour format (military time)
• Calendar: weekday, date, month and year
• Alarm configurable
• Year range: 2000 to 2099
• Leap year correction
• BCD format for compact firmware
• Optimized for low-power operation
• User calibration with auto-adjust
• Calibration range: 2.64 seconds error per month
• Requirements: external 32.768 kHz clock crystal
• Alarm pulse or seconds clock output on RTCC pin
FIGURE 15-1:
2010 Microchip Technology Inc.
32.768 kHz Input
from Timer1 Oscillator
REAL-TIME CLOCK AND
CALENDAR (RTCC)
Internal RC
RTCC BLOCK DIAGRAM
Alarm
Event
RTCC Clock Domain
Compare Registers
RTCC Prescalers
Repeat Counter
RTCC Timer
Comparator
with Masks
0.5s
RTCC Interrupt Logic
PIC18F87J90 FAMILY
The RTCC module is intended for applications where
accurate time must be maintained for an extended
period, with minimum to no intervention from the CPU.
The module is optimized for low-power usage in order
to provide extended battery life while keeping track of
time.
The module is a 100-year clock and calendar with auto-
matic leap year detection. The range of the clock is
from 00:00:00 (midnight) on January 1, 2000 to
23:59:59 on December 31, 2099. Hours are measured
in 24-hour (military time) format. The clock provides a
granularity of one second with half-second visibility to
the user.
CPU Clock Domain
ALRMVALx
ALRMRPT
RTCCFG
RTCVALx
RTCOE
Alarm Pulse
RTCC Interrupt
ALMINSEC
ALMTHDY
WKDYHR
ALWDHR
MINSEC
MTHDY
YEAR
DS39933D-page 155
RTCC Pin
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