Справочник Пользователя для Microchip Technology XC8 Standard Compiler (Workstation) SW006021-1 SW006021-1
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SW006021-1
C Language Features
2012 Microchip Technology Inc.
DS52053B-page 213
_EEPROMSIZE
Always
To indicate how many bytes of
EEPROM are available.
EEPROM are available.
_ERRATA_TYPES
If PIC18 device
_FAMILY_FAMILY_
If PIC18 device
Indicates PIC18 family
_FLASH_ERASE_SIZE
Always
Size of flash erase block
_FLASH_WRITE_SIZE
Always
Size of flash write block
_GPRBITS_
Always
Assigned 0, 1 or 2 to indicate 1, 2
or 4 available banks or general
purpose RAM.
or 4 available banks or general
purpose RAM.
_HAS_OSCVAL_
If the target device has an oscilla-
tor calibration register
tor calibration register
To indicate target device may
require oscillator calibration
require oscillator calibration
_HTC_EDITION_
Always
Indicates which of PRO, Standard
or Free compiler is in use. Values
of 2, 1 or 0 are assigned
respectively.
or Free compiler is in use. Values
of 2, 1 or 0 are assigned
respectively.
_HTC_VER_MAJOR_
_HTC_VER_MINOR_
Always
To indicate the whole or decimal
component, respectively, of the
compiler’s version number.
component, respectively, of the
compiler’s version number.
_HTC_VER_PATCH_
_HTC_VER_PLVL_
Always
To indicate the patch level of the
compiler’s version number.
compiler’s version number.
_MPC_
Always
Indicates compiling for Microchip
PIC
PIC
®
MCU family.
_OMNI_CODE_
Always
Indicates compiling using an
OCG compiler.
OCG compiler.
_PIC12
If baseline (12-bit instruction)
device
device
To indicate selected device is a
baseline PIC devices.
baseline PIC devices.
_PIC12E
If enhanced baseline (12-bit
instruction) device
instruction) device
To indicate selected device is an
enhanced baseline PIC devices.
enhanced baseline PIC devices.
_PIC14
If mid-range (14-bit instruction)
device
device
To indicate selected device is a
mid-range PIC devices.
mid-range PIC devices.
_PIC14E
If Enhanced mid-range (14 bit
instruction) device
instruction) device
To indicate selected device is an
Enhanced mid-range PIC
devices.
Enhanced mid-range PIC
devices.
_PIC18
If PIC18 (16-bit instruction)
device
device
To indicate selected device is an
PIC18 devices.
PIC18 devices.
_PROGMEM_
If compiling for mid-range device
with flash memory
with flash memory
To indicate the type of flash mem-
ory employed by the target
device. Values 0xFF (unknown),
0xF0 (none), 0 (read only),
1(word write with auto erase), 2
(block write with auto erase), 3
(block write with manual erase)
ory employed by the target
device. Values 0xFF (unknown),
0xF0 (none), 0 (read only),
1(word write with auto erase), 2
(block write with auto erase), 3
(block write with manual erase)
_RAMSIZE
If PIC18 device
To indicate how many bytes of
data memory are available
data memory are available
_ROMSIZE
Always
To indicate how many words of
program memory are available.
program memory are available.
EEPROMSIZE
Always
To indicate how many bytes of
EEPROM are available.
EEPROM are available.
ERRATA_4000_BOUND
ARY
If the ERRATA_4000 applies
To indicate that the 4000 word
boundary errata is applied
boundary errata is applied
TABLE 5-12:
PREDEFINED MACROS (CONTINUED)
Symbol
When set
Usage