SSI / Encoder / Quadrature Counter (Module E7)68C3 Operations Manual North Atlantic Industries, Inc. 12/19/2014Rev: 2014-12-19-0947 www.naii.com Page 266 of 330SSI StatusBit Symbol Description Access Reset Value[15:6] - N/u r 0[5] EXTRA EXTRAValid Only in ‘Listen Only’ Mode.1= Indicates More Falling Edges of the SSI Clock ThanProgrammed for the (BC) Valuer/c 0[4] WD_E Watch Dog ErrorValid Only in ‘Listen Only’ Mode.1 = SSI Qatch Dog Timer Error. This bit is set if the watchdog timer times out. (SSI_CLK) stalls before the (BC)number of bits are receivedr/c 0[3] Busy Busy BitIn Standard SSI Interface Controller ModeBusy Bit = ‘1’ Indicates a Transmission in Progress.(Busy bit sourced from the baud rate generator)In ‘Listen Only’ ModeBusy Bit is set ‘1’ when a transmission is in progress(Busy bit is sourced from the SSI watch dog timer)r 0[2] P-Error Encoder With Parity - If Encoder Provides a Parity Bit:1 = Detect Parity Errors0 = Do Not Detect Parity Errors / No Parity Bitr/c 0[1] Ov Overflow r/c 0[0] N-Data New Data r/c
