Z86E3016PSG Datasheet, PDF (53/348 Pages) Zilog, Inc. – Z86E3016PSG

Z8 CPU
User Manual
35
OSC
D1 (SMR)
÷2
D0 (SMR)
÷16
External Clock
Figure 14. External Clock Circuit
Oscillator Control
In some cases, the Z8^® CPU offers software control of the oscillator to
select low EMI drive or standard drive. The selection is done by program-
ming bit D7 of the Port Configuration (PCON) register (see Figure 15).
The PCON register is located in Expanded Register File Bank F, Register
00h.
UM001602-0904
Clock