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PCB v1.0.2

PCB v1.0.1

Jumpers

There are six  jumpers on the back, labeled 3, 4, 5, 6, 7, and 8. Each can be set  with a jumper plug, or an optional break-out 
panel with switches. The jumper positions vary among PCB versions. See the above photos to identify the location of 
jumpers on your PCB (the PCB version is written in white letters near the /8 Jack).

Jumpers 3 and 4: Max Divide-by Range

Div 
Range
Jumpers

Total Rotatable 
Divide-by range

Divide-by amount on 
jacks with no voltage 
applied to CV Rotate 
Jack (tables 2-5)

3

4

in

in

1 to 8

1 to 8

in

no

1 to 16

9 to 16

no

in

1 to 32

17 to 24

no

no

1 to 64

33 to 40

Jumpers 5 and 6: Auto-reset

Auto-
Reset 
Jumpers

Auto-reset

with Divide-by range of...

5

6

 1 to 8 1 to 16 1 to 32 1 to 64

in

in

32

64

128

256

in

no 16

32

64

128

no

in

24

48

96

192

no no none none

none

none

Jumper 7: Up-beat/Down-beat counting

Up/Down

Mode

in

Down-beat counting

no

Up-beat counting

Jumper 8: Gate/Trigger mode

Gate/Trigger

Mode

in

Gate mode

no

Trigger mode

Summary of Contents for rotating clock divider

Page 1: ...tputs Count up or Count down mode UART header Connects to optional MIDI breakout panel Arduino compatible ISP header Connects to in circuit programmer such as AVR ISP MKII for reprogramming code Maximum input frequency 3kHz 4 H P Eurorack module 60mA power draw 12V or 15V Jacks Clock Input 3 5V to 15V clock rising edge triggered CV Rotate 0V to 5V input CV Reset 5V to 15V trigger Divided Clock Out...

Page 2: ... Range Jumpers Total Rotatable Divide by range Divide by amount on jacks with no voltage applied to CV Rotate Jack tables 2 5 3 4 in in 1 to 8 1 to 8 in no 1 to 16 9 to 16 no in 1 to 32 17 to 24 no no 1 to 64 33 to 40 Jumpers 5 and 6 Auto reset Auto Reset Jumpers Auto reset with Divide by range of 5 6 1 to 8 1 to 16 1 to 32 1 to 64 in in 32 64 128 256 in no 16 32 64 128 no in 24 48 96 192 no no no...

Page 3: ...en on the input clock s rising edge Point of interest In Gate mode with odd numbered divisions the jack will turn ON on a rising edge of the input clock and then will turn OFF on a falling edge For example the 5 jack ought to stay on for 2 5 clock pulses meaning it should go OFF somewhere between the rising edge of clock pulses 2 and 3 Right in between these is the falling edge of pulse number 2 s...

Page 4: ... 30 31 32 1 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 2 X X X X X X X X X X X X X X X X 3 X X X X X X X X X X X 4 X X X X X X X X 5 X X X X X X X 6 X X X X X X 7 X X X X X 8 X X X X CV Rotation By applying a CV signal to the CV Rotate jack the clock divisions will rotate throughout the output jacks see table 2 For example if you apply just over 1 0V Jack 1 R Red will go from ...

Page 5: ...amounts at each jack with max divide by amount set to 16 Jumper 3 in no Jumper 4 Jacks Voltage at CV Rotate Jack 0 7V 0 7V 1 0V 1 0V 1 3V 1 3V 1 7V 1 7V 2 0V 2 0V 2 3V 2 3V 2 7V 2 7V 3 0V 3 0V 3 3V 3 3V 3 7V 3 7V 4 0V 4 0V 4 3V 4 3V 4 7V 4 7V 5 1V 5 1V 5 8V 5 8V 1 R Red 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 2 R Orange 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 3 R Yellow 11 12 13 14 15 16 1 2 3 4 5 6...

Page 6: ...4 25 26 27 28 29 30 31 32 1 2 3 4 5 8 R White 23 24 25 26 27 28 29 30 31 32 1 2 3 4 5 6 Table 5 Divide by amounts at each jack with max divide by amount set to 64 no Jumper 3 or 4 Jacks Voltage at CV Rotate Jack 0 5V 0 68V 0 86V 1 04V 1 22V 1 38V 1 54V 1 70V 1 86V 2 02V 2 18V 2 36V 2 52V 2 68V 2 82V 3 00V 1 R Red 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 2 R Orange 34 35 36 37 38 39 40 41 42...

Page 7: ... div by 4 div by 3 div by 2 CLOCK INPUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 4 5 7 8 10 11 13 14 16 1 3 5 7 9 11 13 15 1 3 6 8 11 13 16 1 4 7 10 13 16 1 4 8 11 15 1 5 9 13 TRIGGER MODE UP BEAT COUNTING NO JUMPERS IN 7 8 GATE MODE DOWN BEAT COUNTING BOTH JUMPERS 7 8 Indicates f...

Page 8: ...i v b y 4 div by 5 d i v b y 6 div by 7 d i v b y 8 In this metaphorical illustration applying a voltage to the Rotate jack makes the outer circle of jacks rotate around the inner circle of divided clock signals For a technical chart of the exact voltages needed to cause exact rotations see the User Manual 1V applied to CV Rotate Jacks shifted 1 unit clockwise 1 R div by 2 2 R div by 3 3 R div by ...

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