PIC12CE519/JW Microchip Technology, PIC12CE519/JW Datasheet - Page 136
![IC MCU EPROM 1KX12 W/EE 8CDIP](/photos/12/23/122362/pic12ce519_jw_sml.jpg)
PIC12CE519/JW
Manufacturer Part Number
PIC12CE519/JW
Description
IC MCU EPROM 1KX12 W/EE 8CDIP
Manufacturer
Microchip Technology
Series
PIC® 12Cr
Datasheets
1.PIC16F688T-ISL.pdf
(688 pages)
2.PIC12C508A-04SM.pdf
(113 pages)
3.PIC12C508A-04SM.pdf
(4 pages)
4.PIC12CE518-04SM.pdf
(16 pages)
Specifications of PIC12CE519/JW
Core Processor
PIC
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
5
Program Memory Size
1.5KB (1K x 12)
Program Memory Type
EPROM, UV
Eeprom Size
16 x 8
Ram Size
41 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
8-CDIP (0.300", 7.62mm) Window
For Use With
ISPICR1 - ADAPTER IN-CIRCUIT PROGRAMMINGDVA12XP080 - ADAPTER DEVICE FOR MPLAB-ICEAC124001 - MODULE SKT PROMATEII 8DIP/SOIC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC12CE519/JW
Manufacturer:
MICROCH
Quantity:
20 000
- PIC16F688T-ISL PDF datasheet
- PIC12C508A-04SM PDF datasheet #2
- PIC12C508A-04SM PDF datasheet #3
- PIC12CE518-04SM PDF datasheet #4
- Current page: 136 of 688
- Download datasheet (3Mb)
PICmicro MID-RANGE MCU FAMILY
8.6
DS31008A-page 8-14
Initialization
Example 8-4
is the value to write into the interrupt enable register.
Example 8-5
before they are used. For debugging ease, it may help if macros are placed in other files that are
included at assembly time. This allows the source to be viewed without all the clutter of the
required macros. These files must be included before the macro is used, but it simplifies debug-
ging, if all include files are done at the top of the source file.
Example 8-7
saving and restoring of registers before the execution of the interrupt code.
Example 8-4: Initialization and Enabling of Interrupts
Example 8-5: Register Saving / Restoring as Macros
PIE1_MASK1
PUSH_MACRO
;
POP_MACRO
MOVWF
SWAPF
MOVWF
ENDM
SWAPF
MOVWF
SWAPF
SWAPF
ENDM
:
:
CLRF
CLRF
CLRF
BSF
MOVLW
MOVWF
BCF
BSF
shows the initialization and enabling of device interrupts, where PIE1_MASK1 value
shows a typical Interrupt Service Routine structure. This ISR uses macros for the
shows how to create macro definitions for functions. Macros must be defined
EQU B‘01101010’
STATUS
INTCON
PIR1
STATUS, RP0
PIE1_MASK1
PIE1
STATUS, RP0
INTCON, GIE
MACRO
W_TEMP
STATUS,W
STATUS_TEMP
MACRO
STATUS_TEMP,W
STATUS
W_TEMP,F
W_TEMP,W
; Bank0
; Disable interrupts and clear some flags
; Clear all flag bits
; Bank1
; This is the initial masking for PIE1
;
; Bank0
; Enable Interrupts
; This Macro Saves register contents
; Copy W to a Temporary Register
;
; Swap STATUS nibbles and place
;
; Save STATUS to a Temporary register
;
; End this Macro
; This Macro Restores register contents
; Swap original STATUS register value
;
; Restore STATUS register from
;
; Swap W_Temp nibbles and return
;
; Swap W_Temp to W to restore original
;
; End this Macro
; This is the Interrupt Enable
;
regardless of current bank
into W register
in Bank0
into W (restores original bank)
W register
value to W_Temp
W value without affecting STATUS
Register mask value
Example 8-6
1997 Microchip Technology Inc.
shows this structure.
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