The OSD335x family supports all the frequencies supported by corresponding AM335x present inside. For example, the AM3358 inside the OSD3358 supports 6 Operational Performance Points(OPP). It can run at 300MHz, 600MHz, 720MHz, 800Mhz and 1GHz. These operational performance points are set using the Digital Phase Locked Loops(DPLLs) and MPU, CORE voltages on the AM335x. The following figure from the AM335x datasheet (Table 5-7) shows the OPPs, the corresponding MPU voltage to be set and the frequency of operation of the OPP (Source: AM335x datasheet).
VDD_MPU OPP | VDD_MPU | ARM Clock Speed | ||
---|---|---|---|---|
MIN | NOM | MAX | ||
Nitro | 1.272 V | 1.325 V | 1.378 V | 1 GHz |
Turbo | 1.210 V | 1.260 V | 1.326 V | 800 MHz |
OPP120 | 1.152 V | 1.200 V | 1.248 V | 720 MHz |
OPP100 | 1.056 V | 1.100 V | 1.144 V | 600 MHz |
OPP50 | 0.912 V | 0.950 V | 0.988 V | 300 MHz |
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