89
CHAPTER 5 CLOCK GENERATOR
User’s Manual U15104EJ2V0UD
5.2 Configuration of Clock Generator
The clock generator consists of the following hardware.
Table 5-1. Configuration of Clock Generator
Item
Configuration
Control register
Processor clock control register (PCC)
Oscillator
System clock oscillator
Figure 5-2. Block Diagram of Clock Generator
System
clock
oscillator
X2
X1
STOP
0
0
0
0
PCC2 PCC1
Internal bus
Standby
controller
2
f
X
2
2
f
X
2
3
f
X
2
4
f
X
Prescaler
Clock to peripheral hardware
Prescaler
f
X
CPU clock
(f
CPU
)
Wait
controller
Processor clock control register (PCC)
PCC0
3
Selector
0
Содержание mPD178053
Страница 2: ...2 User s Manual U15104EJ2V0UD MEMO ...