Motorola DSP56301 - Manual (Page 45)

Host Interface (HI32)
Signals/Connections 2 -15
HP8 HAD8 HD0 HIO8
HP9 HAD9 HD1 HIO9
HP10 HAD10 HD2 HIO10
HP11 HAD11 HD3 HIO11
HP12 HAD12 HD4 HIO12
HP13 HAD13 HD5 HIO13
HP14 HAD14 HD6 HIO14
HP15 HAD15 HD7 HIO15
HP16 HC0/HBE0 HA0 HIO16
HP17 HC1/HBE1 HA1 HIO17
HP18 HC2/HBE2 HA2 HIO18
HP19 HC3/HBE3 Unused (must be pulled up or down) HIO19
HP20 HTRDY HDBEN HIO20
HP21 HIRDY HDBDR HIO21
HP22 HDEVSEL HSAK HIO22
HP23 HLOCK HBS (Schmitt trigger buffer on input— pull up
if not used) HIO23
HP24 HPAR HDAK (Schmitt trigger buffer on input— pull
up if not used) disconnected
HP25 HPERR HDRQ disconnected
HP26 HGNT HAEN disconnected
HP27 HREQ HTA disconnected
HP28 HSERR HIRQ disconnected
HP29 HSTOP HWR/HRW (Schmitt trigger buffer on input) disconnected
HP30 HIDSEL HRD/HDS (Schmitt trigger buffer on input) disconnected
HP31 HFRAME Unused (must be pulled up) disconnected
HP32 HCLK Unused (must be pulled up)
HP33 HAD16 (pull up or down if not used) HD8 disconnected
HP34 HAD17 (pull up or down if not used) HD9 disconnected
HP35 HAD18 (pull up or down if not used) HD10 disconnected
HP36 HAD19 (pull up or down if not used) HD11 disconnected
HP37 HAD20 (pull up or down if not used) HD12 disconnected
HP38 HAD21 (pull up or down if not used) HD13 disconnected
HP39 HAD22 (pull up or down if not used) HD14 disconnected
Table 2-11. Summary of HI32 Signals and Modes (Continued)
Signal
Name
PCI Mode Enhanced Universal Bus Mode Universal Bus Mode GPIO Mode