Si5351 05_oeb test (ESP32 V2)

--- P1 OEB=LOW  baseline ---
OEB pin: LOW (asserted)
reg9 mask: 0x0
Target:   1000000 Hz
Measured: 1002332 Hz
PHASE: PASS

--- P2 OEB=HIGH outputs silent ---
OEB pin: HIGH (de-asserted)
reg9 mask: 0x0
Target:   0 Hz
Measured: 0 Hz
PHASE: PASS

--- P3 OEB=LOW  restored ---
OEB pin: LOW (asserted)
reg9 mask: 0x0
Target:   1000000 Hz
Measured: 989748 Hz
PHASE: PASS

--- P4 OEB=HIGH mask=0x01 CLK0 immune ---
OEB pin: HIGH (de-asserted)
reg9 mask: 0x1
Target:   1000000 Hz
Measured: 995004 Hz
PHASE: PASS

RESULTS: 4/4
