PIC12CE518-04/SN Microchip Technology, PIC12CE518-04/SN Datasheet - Page 137

• Manufacturer Part Number: PIC12CE518-04/SN
• Description: IC MCU OTP 512X12 W/EE 8SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 12Cr

Specifications of PIC12CE518-04/SN

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 5
• Program Memory Size: 768B (512 x 12)
• Program Memory Type: OTP
• Eeprom Size: 16 x 8
• Ram Size: 25 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Connectivity: -

1997 Microchip Technology Inc.
Example 8-6: Source File Template
Example 8-7: Typical Interrupt Service Routine (ISR)
INT_ERROR_LP1
T1_INT
AD_INT
LCD_INT
PORTB_INT
END_ISR
;
;
;
; Specify Device Configuration Bits
;
RESET_ADDR
org
LIST
Revision History
#INCLUDE
#INCLUDE
#INCLUDE
__CONFIG
org
end
PUSH_MACRO
CLRF
BTFSC
GOTO
BTFSC
GOTO
:
:
BTFSC
GOTO
BTFSC
GOTO
GOTO
:
BCF
GOTO
:
BCF
GOTO
:
BCF
GOTO
:
POP_MACRO
RETFIE
ISR_ADDR
0x00
p = p16C77
STATUS
PIR1, TMR1IF
T1_INT
PIR1, ADIF
AD_INT
PIR1, LCDIF
LCD_INT
INTCON, RBIF
PORTB_INT
INT_ERROR_LP1
:
PIR1, TMR1IF
END_ISR
PIR1, ADIF
END_ISR
PIR1, LCDIF
END_ISR
<P16C77.INC>
<MY_STD.MAC>
<APP.MAC>
_XT_OSC & _PWRTE_ON & _BODEN_OFF & _CP_OFF & _WDT_ON
; Start of Program Memory
; First instruction to execute after a reset
;
; MACRO that saves required context registers,
;
; Bank0
; Timer1 overflow interrupt?
; YES
; NO, A/D interrupt?
; YES, do A/D thing
; NO, do this for all sources
;
; NO, LCD interrupt
; YES, do LCD thing
; NO, Change on PORTB interrupt?
; YES, Do PortB Change thing
; NO, do error recovery
; This is the trap if you enter the ISR
;
;
; Routine when the Timer1 overflows
;
; Clear the Timer1 overflow interrupt flag
; Ready to leave ISR (for this request)
; Routine when the A/D completes
;
; Clear the A/D interrupt flag
; Ready to leave ISR (for this request)
; Routine when the LCD Frame begins
;
; Clear the LCD interrupt flag
; Ready to leave ISR (for this request)
; Routine when PortB has a change
;
;
; MACRO that restores required registers,
;
; Return and enable interrupts
; List Directive,
or in-line code
or in-line code
but there were no expected
interrupts
; Microchip Device Header File
; Include my standard macros
; File which includes macros specific
;
Section 8. Interrupts
to this application
DS31008A-page 8-15
8