255
User’s Manual U16580EE3V1UD00
Chapter 8
Clock Generator
The clock generator (CG) generates and controls the internal system clock (f
XX
) that is supplied to each
internal unit, such as the CPU.
8.1 Features
•
Multiplier function using a phase locked loop (PLL) synthesizer (f
XX
= 4
×
f
X
)
- Crystal frequency:
f
X
= 16 MHz
- Internal system clock:
f
XX
= 64 MHz
•
Power saving mode:
HALT mode
8.2 Configuration
Figure 8-1:
Clock Generator
Remark:
f
X
:
External resonator or external clock frequency
f
XX
:
Internal system clock
An external resonator or crystal is connected to X1 and X2 pins, whose frequency is multiplied by the
PLL synthesizer. By this an internal system clock (f
XX
) is generated that is 4 times the frequency (f
X
) of
the external resonator or crystal.
The clock controller enables PLL automatically and starts clock supply to the system after oscillation
stabilization time has passed.
Internal System Clock Frequency
(f
XX
)
External Resonator or Crystal Frequency
(f
X
)
64.000 MHz
16.0000 MHz
X1
X2
f
X
f
XX
CPU
On-chip peripheral I/O
Clock Generator
(CG)
Summary of Contents for V850E/PH2
Page 6: ...6 Preface User s Manual U16580EE3V1UD00...
Page 16: ...16 User s Manual U16580EE3V1UD00...
Page 28: ...28 User s Manual U16580EE3V1UD00...
Page 32: ...32 User s Manual U16580EE3V1UD00...
Page 84: ...84 Chapter 2 Pin Functions User s Manual U16580EE3V1UD00 MEMO...
Page 144: ...144 Chapter 3 CPU Functions User s Manual U16580EE3V1UD00 MEMO...
Page 192: ...192 Chapter 5 Memory Access Control Function PD70F3187 only User s Manual U16580EE3V1UD00 MEMO...
Page 312: ...312 Chapter 9 16 Bit Timer Event Counter P User s Manual U16580EE3V1UD00 MEMO...
Page 534: ...534 Chapter 11 16 bit Timer Event Counter T User s Manual U16580EE3V1UD00...
Page 969: ...969 Chapter 20 Port Functions User s Manual U16580EE3V1UD00 MEMO...
Page 970: ...970 Chapter 20 Port Functions User s Manual U16580EE3V1UD00...
Page 976: ...976 Chapter 22 Internal RAM Parity Check Function User s Manual U16580EE3V1UD00 MEMO...
Page 984: ...984 Chapter 23 On Chip Debug Function OCD User s Manual U16580EE3V1UD00 MEMO...
Page 1006: ...1006 Chapter 24 Flash Memory User s Manual U16580EE3V1UD00 MEMO...
Page 1036: ...1036 Chapter 27 Recommended Soldering Conditions User s Manual U16580EE3V1UD00 MEMO...
Page 1046: ...1046 Appendix A Index User s Manual U16580EE3V1UD00 MEMO...
Page 1052: ...1052 User s Manual U16580EE3V1UD00...
Page 1053: ......