To program the ATtiny24 mounted on STK505 using High Voltage Programming, follow these steps:
Turn off the STK500 power switch
Disconnect from STK500 and STK505 any hardware that does not tolerate 5V
Connect the PROGDATA on STK500 to HVSPROG on STK505, as shown in Figure 1
Connect the PROGCTRL on STK500 to the PORTA header on STK500, as shown in Figure 1
Set jumpers and switches according to Table 1
Turn on STK500 power
Start the Programming Dialog in AVR Studio
STK500 | |
---|---|
VTARGET | Mounted |
AREF | Optional |
RESET | Mounted |
XTAL1 | Mounted |
OSCSEL | Mounted, pin 1 and 2 |
BSEL2 | Mounted |
PJUMP | Open |
STK505 | |
RESET switch | RESET position |
XTAL switch | EXT CLK position |