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Signal Descriptions

Table A-2 describes the signals on the pins labeled F[31:0], H[31:0], and J[16:0].

Table A-2 EXPB signal description

Pin label Name Description

F[31:24] Not used -

F[23:0] F[23:0] Stepper motor controller signals.

H[31:29] Not used -

H28 SYSCLK System clock from the logic module

H[27:0] Not used -

J[15:14] Not used -

J13 nCFGEN Sets motherboard into configuration mode

J12 nSRST Multi-ICE reset (open collector)

J11 Not used -

J10 RTCK Returned JTAG test clock

J9 Not used -

J8 nTRST JTAG reset

J7 TDO JTAG test data out

J6 TDI JTAG test data in

J5 TMS JTAG test mode select

J4 TCK JTAG test clock

J[3:0] Not used -

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 91 92

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