In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Zoot wrote:

If that schematic is correct, then your circuit is incorrect. The pins from the prog. port go right to Vdd, Gnd, OSC1, OSC2. MCLR should only be tied to Vdd through a 10k (and *should always be tied to Vdd through a 10k*). You have the connection from MCLR straight to the Vdd prog. pin and being tied to Vdd through the 10k. See the SX Data Sheet and SX-Key Manual for suggested setups.

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