Oscillator sources – Renesas Single-Chip Microcomputer H8/36079 User Manual
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Option Link Settings
Reference
Function
Fitted
Alternative (Removed)
Related To
R56 Processor
Oscillator
Source
External Clock Source
Internal Clock Source
R59, R60, R61,
R64
R59 Processor
Oscillator
Source
Internal Clock Source
External Clock Source
R56, R60, R61,
R64
R61 Processor
Oscillator
Source
Internal Clock Source
External Clock Source
R56, R59, R60,
R64
R64 External
main
Oscillator
External Clock Source
Internal Clock Source
R59, R60, R61
R56
Table 6-12: Processor Oscillator Source configuration links
Table 6-13 below describes the function of the option links associated with other configuration. The default configuration is indicated by
BOLD text.
Option Link Settings
Reference
Function
Fitted
Alternative (Removed)
Related To
R57
ADTRGn
Enables ADTRGn signal
Disables ADTRGn signal
R58
R58 WKP
Enables WKP signal
Disables WKP signal
R57
Table 6-13: Other configuration links
Table 6-14 below describes the function of the option links associated with External main Oscillator configuration. The default
configuration is indicated by BOLD text.
Option Link Settings
Reference
Function
Fitted
Alternative (Removed)
Related To
R60 External
main
Oscillator
Parallel resistor for crystal
Not fitted
Table 6-14: External main Oscillator configuration links
Table 6-15 below describes the function of the option links associated with IIC configuration. The default configuration is indicated by
BOLD text.
Option Link Settings
Reference
Function
Fitted
Alternative (Removed)
Related To
R66 IIC
Data Enables IIC data transmission
Disables IIC data transmission
R68
R68 IIC
Clock Enables IIC clock
Disables IIC clock
R66
Table 6-15: IIC configuration links
6.7. Oscillator Sources
A crystal oscillator is fitted on the RSK and used to supply the main clock input to the Renesas microcontroller.
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