Block Diagram Of Clock Generator - NEC PD78081(A) User Manual

X1
Main
System
X2
Clock
Oscillator
STOP
70
CHAPTER 5 CLOCK GENERATOR
Figure 5-1. Block Diagram of Clock Generator
f
X
Scaler
f
XX
f
X
2
f
XX
2
MCS
Oscillation Mode
Selection Register
Prescaler
f
XX
f
XX
4
2
f
3
XX
2
2
2
3
PCC2 PCC1 PCC0
Processor Clock Control Register
Internal Bus
Prescaler
Clock to
Peripheral
Hardware
Standby
CPU Clock
Control
(f
CPU
Circuit
)