參數(shù)資料
型號: PGM47G
英文描述: Single/Dual/Quad Single Supply 3V, 100MHz Video Op Amps; Package: SSOP; No of Pins: 16; Temperature Range: -40°C to +85°C
中文描述: 崗編程器的16C71/84
文件頁數(shù): 7/25頁
文件大?。?/td> 288K
代理商: PGM47G
ERROR
The red ERROR LED will lit whenever there is
programming/verification errors. In such a case, the
UUP LED will also be lit for devices which fail
programming/ verification. Note that unlatched
sockets and sockets with no chips will also be
highlighted as having program error.
On some models, the ERROR LED will be lit when
non-blank devices are detected by the programmer.
In such a case, no programming will take place and
the non-blank chips are highlighted by the
corresponding UUP LEDs.
CKSUM LED
This LED is ON when checksum verification is enabled (JP2 or JP4 is
jumpered). When enabled, the programmer will compute checksum for
the master chip and compare it against the checksum value pre-stored in
the customer ID field. This ensures no defective codes will be duplicated.
To use checksum verification, it is necessary to program the checksum of
the code to the customer ID field when creating the master chip.
The CKSUM LED will blink when there is a mismatch in the checksums
and no programming will take place. The mismatch can be due to 1)
defective master chip, 2) master device being code protected or 3) the
device LED does not match the master chip.
PROTECT LED
This LED will be lit when code protection is enabled (JP1 or JP3 is
jumpered). In such a case, the contents of the programmed devices will be
scrambled.
Device LEDs
When power is supplied to the programmer, the unit will undergo a
power-up self-test with all the LEDs turned ON and the MASTER LED
blinks several times.
After self test, the device LEDs will blink, prompting the user to select
device type to be duplicated. Press the programmer button (labeled
PROGRAM/RESET on some models) at this time to select device type as
indicated by markings on the cover. When the corresponding device LED
is blinking, wait a few seconds. When the device LED is steady and the
PROTECT and CKSUM LED come on (if enabled), the programmer is
ready to use.
When using the gang programmer with a computer, device selection is
controlled by the software. The device LED may or may not correspond
to the device selected.
6
PIC Gang Programmers User's Guide
NOTE
The PROTECT and CKSUM LEDs will be on if the respective jumpers,
JP1/JP3 and JP2/JP4, are enabled, indicating code protection and
checksum verification are enabled.
Please refer to Appendix A for the latest device supported on each
programmer.
MASTER LED
This LED will be ON whenever the master socket is active. For example,
during programming in the on-line mode or when calculating the
checksum of the master device.
UUP LEDs
Before Programming
:
When the UUP LEDs blink or lit, it indicates:
1) the corresponding UUP devices are not blank, or
2) the oscillator type of the device does not match that of the master
After Programming :
The UUP LED will be ON or blink when there is programming/verify
error for the corresponding devices or the UUP sockets is not latched or
empty. The ERROR LED should also be blinking.
Please refer to Appendix A for the summary for the different LEDs for
different PIC gang programmer models.
Program Button
The push button on the gang programmer is used for:
Programming After placing the master device in the marked socket
and blank devices in the UUP sockets, press the push button to start
programming.
Resetting unit after programming Programming is complete or pro-
gramming has stopped when any one of the PASS, ERROR, CKSUM,
PROTECT or UUP LED is flashing. Press the programmer button at
this time to clear the LEDs and programmer is ready to program
again.
NOTE
If you get a Programmer time-out message during on-line operation, check:
1) the connection on the parallel adapter cable,
2) if any of the LEDs on the programmer is blinking. If so, press the
PROGRAM/RESET button once to reset the programmer. Try
program again and the message should go away.
PIC Gang Programmers User's Guide
7
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