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Built-in Functions
Parameters: address is a (8 bit or 16 bit depending on the part) int, the range is device
dependent
value is an 8 bit int
Returns:
Function:
undefined
Write a byte to the specified data EEPROM address. This function may take
several milliseconds to execute. This works only on devices with EEPROM built
into the core of the device.
For devices with external EEPROM or with a separate EEPROM in the same
package (like the 12CE671) see EX_EXTEE.c with CE51X.c, CE61X.c or
CE67X.c.
In order to allow interrupts to occur while using the write operation, use the
#DEVICE option WRITE_EEPROM = NOINT. This will allow interrupts to occur
while the write_eeprom() operations is polling the done bit to check if the write
operations has completed. Can be used as long as no EEPROM operations are
performed during an ISR.
Availability: This function is only available on devices with supporting hardware on chip.
Requires:
Nothing
Examples:
#define LAST_VOLUME
10
// Location in EEPROM
volume++;
write_eeprom(LAST_VOLUME,volume);
Example
Files:
Also See:
ex_intee.c , ex_extee.c , ce51x.c , ce62x.c , ce67x.c
read_eeprom(), write_program_eeprom(), read_program_eeprom(), data Eeprom
Overview
write_external_memory( )
Syntax:
write_external_memory( address , dataptr , count )
Parameters: address is 16 bits on PCM parts and 32 bits on PCH parts
dataptr is a pointer to one or more bytes
count is a 8 bit integer
Returns:
Function:
undefined
Writes count bytes to program memory from dataptr to address. Unlike
write_program_eeprom() and read_program_eeprom() this function does not use
307
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相关PDF资料
PCI-EXP-T42G5-N1
IP CORE PCI EXPRESS ORCA 4
PCM18XH2
PROCESSOR MODULE MPLAB-ICE 2000
PCM18XN0
PROCESSOR MODULE FOR ICE2000
PDA-B-24-615-E-2B1-1-C
CIRCUIT BREAKER MAG 1P 15A
PFMF.260.2
PFMF PTC FUSE SMT 2.6A 1812
PFNF.200.2
PFNF PTC FUSE SMT 2A 1206
PFRY.375
PTC-FUSE RADIAL 72 VDC
PFSM.150.33.2
FUSE PTC 8A 15V FST-TRIP SMD
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