When Using a PLL Oscillator Circuit: Separate VDD-CPG and VSS-CPG from the other VDD
and VSS lines at the board power supply source, and insert resistors RCB and RB and bypass
capacitors CPB and CB close to the pins as noise filters.
RCB1
VDD-PLL1
CPB1
Recommended values
VSS-PLL1
RCB1 = RCB2 = 10
CPB1 = CPB2 = 10
RB = 10
F
CB = 10
F
RCB2
VDD-PLL2
VSS-PLL2
CPB2
SH7750
Series
RB
VDD-CPG
VSS-CPG
3.3 V
CB
Figure 10.5 Points for Attention when Using PLL Oscillator Circuit
Rev. 6.0, 07/02, page 266 of 986