Table 6-6 below describes the function of the option links associated with Clock configuration. The default configuration is indicated by
BOLD text.
Option Link Settings
Reference Function Fitted Alternative (Removed) Related To
R1 Oscillator
(Main clock)
Connects X1 (or X2) to MCU Connects external clock to MCU R2, R3, R4
R2 Oscillator
(Main clock)
Connects X1 (or X2) to MCU Connects external clock to MCU R1, R3, R4
R3 Oscillator
(Main clock)
Connects external clock to MCU Connects X1 (or X2) to MCU R1, R2, R4
R4 Oscillator
(Main clock)
Connects external clock to MCU Connects X1 (or X2) to MCU R1, R2, R3
R5 Oscillator
(Sub clock)
Connects X3 to MCU Connects external sub clock to
MCU
R6, R7, R8
R6 Oscillator
(Sub clock)
Connects X3 to MCU Connects external sub clock to
MCU
R5, R7, R8
R7 Oscillator
(Sub clock)
Connects external sub clock to
MCU
Connects X3 to MCU R5, R6, R8
R8 Oscillator
(Sub clock)
Connects external sub clock to
MCU
Connects X3 to MCU R5, R6, R7
Table 6-6: Clock Configuration Links
Table 6-7 below describes the function of the option links associated with Serial configuration. The default configuration is indicated by
BOLD text.
Option Link Settings
Reference Function Fitted Alternative (Removed) Related To
R50 RS232 Serial Disables RS232 Serial
Transceiver
Enables RS232 Serial
Transceiver
R51, R52
R51 Programming Serial
Port
Connect programming serial
port TX1 to RS232 Serial port
(E8a remains connected)
Only E8a connected
R52 Programming Serial
Port
Connect programming serial
port RX1 to RS232 Serial port
(E8a remains connected)
Only E8a connected
Table 6-7: Serial Configuration Links
10