Table 6-10 below describes the function of the option links associated with other options. The default configuration is indicated by BOLD
text.
Option Link Settings
Reference Function Fitted Alternative (Removed) Related To
R53 E8a Enables E8a Do not fit the option resistor
R56 SW1 Connects SW1 to MCU port
P8_3
Disconnected
R57 SW3
(ADTRG input)
Connects SW3 to MCU port
P1_5(ADTRG pin)
Disconnected R58
R58 SW3
(IRQ input)
Connects SW3 to MCU port
P1_7(IRQ pin)
Disconnected R57
R66 LCD Connects LCD_D4 to MCU
port P6_0
(P6_0 connected to CTSRTS)
Disconnected R67, R68, R69,
R70, R71
R67 LCD Connects LCD_D5 to MCU
port P6_1
(P6_1 connected to SCIaCK)
Disconnected R66, R68, R69,
R70, R71
R68 LCD Connects LCD_D6 to MCU
port P6_2
(P6_1 connected to SCIaRX)
Disconnected R66, R67, R69,
R70, R71
R69 LCD Connects LCD_D7 to MCU
port P6_3
(P6_3 connected to SCIaTX)
Disconnected R66, R67, R68,
R70, R71
R70 LCD Connects LCD_RS to MCU
port P9_0
(P9_0 connected to IO_0)
Disconnected R66, R67, R68,
R69, R71
R71 LCD Connects LCD_E to MCU port
P9_1
(P9_1 connected to IO_1)
Disconnected R66, R67, R68,
R69, R70
Table 6-10: Other Option Links
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