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6.6.Option Links
Table 6-5 below describes the function of the option links contained on this RSK board.
Option Link Settings
Reference Function Fitted Alternative (Removed) Related To
R7 Reference Voltage
Connects Reference Voltage
to microcontroller
Reference Voltage
disconnected from
microcontroller
R19
R8 Oscillator
(Main clock)
Connects External
Microcontroller header pins to
microcontroller
Disconnects sensitive
microcontroller signals from
external pins
R10, R11, R12
R10 Oscillator
(Main clock)
Connects External
Microcontroller header pins to
microcontroller
Disconnects sensitive
microcontroller signals from
external pins
R8, R11, R12
R11 Oscillator
(Main clock)
Connects main clock (X1) to
microcontroller
Main clock disconnected from
microcontroller
R8, R10, R12
R12 Oscillator
(Main clock)
Connects main clock (X1) to
microcontroller
Main clock disconnected from
microcontroller
R8, R10, R11
R13 Oscillator
(Sub clock)
Connects sub clock (X2) to
microcontroller
Sub clock disconnected from
microcontroller
R14, R15, R16,
R17
R14 Oscillator
(Sub clock)
Connects sub clock (X2) to
microcontroller
Sub clock disconnected from
microcontroller
R13, R15, R16,
R17
R15 Oscillator
(Sub clock)
Connects External
Microcontroller header pins to
microcontroller
Disconnects sensitive
microcontroller signals from
external pins
R13, R14, R16
R16 Oscillator
(Sub clock)
Connects External
Microcontroller header pins to
microcontroller
Disconnects sensitive
microcontroller signals from
external pins
R13, R14, R15
R17 Oscillator
(Sub clock)
Parallel resister for sub clock
(X2)
Not fitted
R13, R14
R18 Board VCC
Supply to board from DC
Power Jack (J5)
Disconnected R20
R19 Reference Voltage
Connects Board_VCC supply
to Reference Voltage supply
Reference Voltage MUST be
provided from external
interface
R7
R20 Board VCC
Connects Board_VCC supply
to board voltage line
Board_VCC disconnected from
board voltage line
R18, R19, R21,
R22, R23
R21 Board VCC
Connects External 5V
(CON_5V) to Board_VCC
External 5V disconnected from
Board_VCC
R20, R22
9