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R32 Motor Connects microcontroller pin 170
to UD
Disconnects microcontroller pin 170
from UD
R31
R33 Write Signal Connects microcontroller pin 72 to
WR0n
Disconnects microcontroller pin 72
from WR0n
R30
R34 Operating mode Connects MD_CLK1 = 1
Does not connect MD_CLK1 = 1
R36
R35 Operating mode Connects MD_CLK0 = 1
Does not connect MD_CLK0 = 1
R37
R36 Operating mode
Connects MD_CLK1= 0
Does not connect MD_CLK1 = 0 R34
R37 Operating mode
Connects MD_CLK0= 0
Does not connect MD_CLK0 = 0 R35
R39 Power supply Connects AVREF to CON_VREF
Disconnects AVREF from CON_VREF
R72
R44 Oscillator X1 Connects external clock source to
microcontroller via CON_EXTAL
Disconnects external clock source
from microcontroller
R47
R45 Oscillator X1 Feedback resistor across X1
No feedback
-
R46 Oscillator X1
Connects X1 to microcontroller
Disconnects X1 from microcontroller -
R47 Oscillator X1 Connects external clock source to
microcontroller via CON_XTAL
Disconnects external clock source
from microcontroller
R44
R48 Oscillator X2 Connects external clock source to
microcontroller via CON_RTC_X1
Disconnects external clock source
from microcontroller
R50
R49 Oscillator X2
Connects X2 to microcontroller
Disconnects X2 from microcontroller R51
R50 Oscillator X2 Connects external clock source to
microcontroller via CON_RTC_X2
Disconnects external clock source
from microcontroller
R48
R51 Oscillator X2
Connects X2 to microcontroller
Disconnects X2 from microcontroller R49
R52 Oscillator X2 Feedback resistor across X2
No feedback
-
R54 Serial port
Connects RXD1 to J10
Disconnects RXD1 from J10 R55
R55 Serial port
Connects TXD1 to J10
Disconnects TXD1 from J10 R54
R56 Power supply
Connects AVCC to Board_VCC
Disconnects AVCC from Board_VCC R57, R72
R57 Power supply Connects AVCC to CON_AVCC
Disconnects AVCC from CON_AVCC
R56
R59 Switches Connects SW3 to ADTRGn
Disconnects SW3 from ADTRGn
R25, R63
R60 Serial port Connects RS323TX to U9
Disconnects RS232TX from U9
R66, R71,
R62 Power supply
Connects GROUND to AVSS
Disconnects GROUND from AVSS -
R63 Switches
Connects SW3 to IRQ2n
Disconnects SW3 from IRQ2n R59
R64 Serial port Connects TxD1 to U9
Disconnects TxD1 from U9
R81
R66 Serial port
Connects TxD0 to U9
Disconnects TxD0 from U9 R60, R71,
R90, R92
R68 Power supply
Connects UC_VCC to
Board_VCC
Disconnects UC_VCC from Board_VCC R80, R83
R69 Power Supply
Connects CON_5V to Supply
regulator input
Disconnects CON_5V from Supply
regulator input
R102
R70 Serial port Connects RS232RX to U9
Disconnects RS323RX from U9
R73, R77,
R92
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