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Product selling point:
1. Accurately provide the working voltage required by SPI and low-voltage chips
Really provides 3V6 programming voltage: The 2021 PCB5.0T version of the parallel port multi-function programmer has redesigned the circuit to provide the stable 3.3V-3.6V voltage required for 25 chip programming; in the previous PCB4.5C and pcb5.0 versions In the programmer, although the programming voltage of 3.3V-3.6V has been provided, this voltage is set for DIP32 and TSOP low-voltage chips, and is not provided for the 25-chip socket (currently it is introduced that PCB4.5C has 3.3V- The programmer with 3.6V voltage adjustment can support low-voltage 25 chips, which is wrong propaganda; if you believe these wrong propaganda, then be careful with your 25 chips, ha ha; in fact, the judgment is very simple, in the PCB4.5C version Test the programming voltage of the 25-seat 8-pin on the programmer or look at the circuit to know, not to mention there is no reminder
2. Adopt 74 series high-speed CMOS integrated circuits to provide stable and reliable detection and amplification of signals
In the original design , ordinary triodes are used to provide detection and amplifying control signals. The working circuit of triodes is complex, and the discrete performance is poor, resulting in poor reliability and work stability during mass production. Using imported integrated circuits with reliable quality to replace this part of the circuit can greatly improve the performance of this part of the circuit
3. Add SPI external programming interface
In order to adapt to the SPI 25 chip motherboard with programming download interface, the new version of PCB5.0D parallel port multi-function programmer has added an external SPI interface. When repairing the motherboard with data download interface, it is not necessary to remove the BIOS chip. SPI interface, the BIOS file can be written normally by using the method of
Ben Reilly
2025-01-31 09:45:30
I tried two of these programmers, using Willem software, which was recommended by the seller. Neither worked. I bought a retro PC since Willem software doesn't like to run on modern Windows. No dice. I contacted the seller, worthless. I would avoid this programmer.
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