PIC18F87J90-I/PT Microchip Technology, PIC18F87J90-I/PT Datasheet - Page 143
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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
- PIC18F67J90-IPT PDF datasheet
- PIC18F67J90-IPT PDF datasheet #2
- PIC18F67J90-IPT PDF datasheet #3
- PIC18F66J90-IPT PDF datasheet #4
- Current page: 143 of 444
- Download datasheet (7Mb)
EXAMPLE 11-1:
TABLE 11-2:
© 2009 Microchip Technology Inc.
INTCON
PIR1
PIE1
IPR1
TMR1L
TMR1H
T1CON
Legend: Shaded cells are not used by the Timer1 module.
RTCinit
RTCisr
Name
Timer1 Register Low Byte
Timer1 Register High Byte
GIE/GIEH PEIE/GIEL
RD16
MOVLW
MOVWF
CLRF
MOVLW
MOVWF
CLRF
CLRF
MOVLW
MOVWF
BSF
RETURN
BSF
BCF
INCF
MOVLW
CPFSGT secs
RETURN
CLRF
INCF
MOVLW
CPFSGT mins
RETURN
CLRF
INCF
MOVLW
CPFSGT hours
RETURN
CLRF
RETURN
Bit 7
—
—
—
REGISTERS ASSOCIATED WITH TIMER1 AS A TIMER/COUNTER
IMPLEMENTING A REAL-TIME CLOCK USING A TIMER1 INTERRUPT SERVICE
80h
TMR1H
TMR1L
b’00001111’
T1CON
secs
mins
.12
hours
PIE1, TMR1IE
TMR1H, 7
PIR1, TMR1IF
secs, F
.59
secs
mins, F
.59
mins
hours, F
.23
hours
T1RUN
ADIF
ADIE
ADIP
Bit 6
T1CKPS1 T1CKPS0 T1OSCEN T1SYNC
TMR0IE
RC1IE
RC1IP
RC1IF
Bit 5
; Preload TMR1 register pair
; for 1 second overflow
; Configure for external clock,
; Asynchronous operation, external oscillator
; Initialize timekeeping registers
;
; Enable Timer1 interrupt
; Preload for 1 sec overflow
; Clear interrupt flag
; Increment seconds
; 60 seconds elapsed?
; No, done
; Clear seconds
; Increment minutes
; 60 minutes elapsed?
; No, done
; clear minutes
; Increment hours
; 24 hours elapsed?
; No, done
; Reset hours
; Done
INT0IE
TX1IE
TX1IP
Preliminary
TX1IF
Bit 4
PIC18F87J90 FAMILY
SSPIF
SSPIE
SSPIP
RBIE
Bit 3
TMR0IF
Bit 2
—
—
—
TMR1CS
TMR2IF
TMR2IE
TMR2IP
INT0IF
Bit 1
TMR1ON
TMR1IF
TMR1IE
TMR1IP
RBIF
DS39933C-page 141
Bit 0
on page
Values
Reset
53
56
56
56
54
54
54
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