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9-1 : For MC97F1104S/1204S/1316S (1/3)
For MC97F1204S, MC97F1104S, MC97F1316S, and PCB Version V5.5.
The level of Vpp is 17V. The SW3 switch is for Vpp level.
If Step-up is selected, the max. Vpp level is 19.0V.
If Ext. is selected, the max. Vpp level is 15.0V.
If you use above chips, the SW3 switch is set as Step-up.
If you use other devices, please set SW3 as Ext.
If SW3 is set as Step-up, the OPAMP can be damaged when Vdd and ground are short at on-board-writing.
OPAMP
Ext.
Step-up
Ext. means the Vdd of OPAMP is connected with External Power adapter(15V)
Step-up means the Vdd of OPAMP is connected with DC/DC step-up output(19V).
Only for E-PGM+