PIC18F25J10-I/SS Microchip Technology, PIC18F25J10-I/SS Datasheet - Page 122

• Manufacturer Part Number: PIC18F25J10-I/SS
• Description: IC PIC MCU FLASH 16KX16 28SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18F25J10-I/SS

• Core Size: 8-Bit
• Program Memory Size: 32KB (16K x 16)
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Core Processor: PIC
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Number Of I /o: 21
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 10x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SSOP
• Controller Family/series: PIC18
• No. Of I/o's: 21
• Ram Memory Size: 1KB
• Cpu Speed: 40MHz
• No. Of Timers: 3
• Processor Series: PIC18F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: SPIC, I2C, EUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 3
• 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, DM183022, DM183032, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 10 Channel
• Package: 28SSOP
• Device Core: PIC
• Family Name: PIC18
• Maximum Speed: 40 MHz
• Operating Supply Voltage: 5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC162074 - HEADER INTRFC MPLAB ICD2 44TQFPMA180011 - MODULE PLUG-IN 18F25J10 28SOICAC162067 - HEADER INTRFC MPLAB ICD2 40/28PAC164331 - MODULE SKT FOR 28SSOP 18F45J10XLT28SS-1 - SOCKET TRANSITION ICE 28SSOP
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

PIC18F45J10 FAMILY
EXAMPLE 11-1:
TABLE 11-2:
DS39682D-page 120
INTCON
PIR1
PIE1
IPR1
TMR1L
TMR1H
T1CON
Legend: Shaded cells are not used by the Timer1 module.
Note 1:
RTCinit
RTCisr
Name
These bits are not implemented on 28-pin devices and should be read as ‘0’.
Timer1 Register Low Byte
Timer1 Register High Byte
GIE/GIEH PEIE/GIEL
PSPIE
PSPIP
PSPIF
RD16
MOVLW
MOVWF
CLRF
MOVLW
MOVWF
CLRF
CLRF
MOVLW
MOVWF
BSF
RETURN
BSF
BCF
INCF
MOVLW
CPFSGT
RETURN
CLRF
INCF
MOVLW
CPFSGT
RETURN
CLRF
INCF
MOVLW
CPFSGT
RETURN
CLRF
RETURN
Bit 7
REGISTERS ASSOCIATED WITH TIMER1 AS A TIMER/COUNTER
(1)
(1)
(1)
IMPLEMENTING A REAL-TIME CLOCK USING A TIMER1 INTERRUPT SERVICE
T1RUN
ADIE
ADIP
Bit 6
ADIF
80h
TMR1H
TMR1L
b’00001111’
T1CON
secs
mins
.12
hours
PIE1, TMR1IE
TMR1H, 7
PIR1, TMR1IF
secs, F
.59
secs
secs
mins, F
.59
mins
mins
hours, F
.23
hours
hours
T1CKPS1 T1CKPS0 T1OSCEN T1SYNC
TMR0IE
RCIF
RCIE
RCIP
Bit 5
INT0IE
Bit 4
TXIF
TXIE
TXIP
; 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
SSP1IF
SSP1IE
SSP1IP
RBIE
Bit 3
TMR0IF
CCP1IF
CCP1IE
CCP1IP
Bit 2
TMR1CS
TMR2IE
TMR2IP
TMR2IF
INT0IF
Bit 1
© 2008 Microchip Technology Inc.
TMR1ON
TMR1IF
TMR1IE
TMR1IP
RBIF
Bit 0
on page
Values
Reset
43
45
45
45
44
44
44