Figure 2-2 Host Interface/Port B Detail Signal Diagram - Motorola DSP56305 User Manual

DSP56305
Host Interface (HI32)/
Port B Signals
Note: HPxx is a reference only and is not a signal name. GPIO references formerly designated as
HIOxx have been renamed PBxx for consistency with other Motorola DSPs.

Figure 2-2 Host Interface/Port B Detail Signal Diagram

MOTOROLA
PCI Bus Universal Bus
HAD0 HA3
HAD1 HA4
HAD2 HA5
HAD3 HA6
HAD4 HA7
HAD5 HA8
HAD6 HA9
HAD7 HA10
HAD8 HD0
HAD9 HD1
HAD10 HD2
HAD11 HD3
HAD12 HD4
HAD13 HD5
HAD14 HD6
HAD15 HD7
HC0/HBE0 HA0
HC1/HBE1 HA1
HC2/HBE2 HA2
HC3/HBE3 Tie to pull-up or V
HTRDY HDBEN
HIRDY HDBDR
HDEVSEL HSAK
HLOCK HBS
HPAR HDAK
HPERR HDRQ
HGNT HAEN
HREQ HTA
HSERR HIRQ
HSTOP HWR/HRW
HIDSEL HRD/HDS
HFRAME Tie to pull-up or V
HCLK Tie to pull-up or V
HAD16 HD8
HAD17 HD9
HAD18 HD10
HAD19 HD11
HAD20 HD12
HAD21 HD13
HAD22 HD14
HAD23 HD15
HAD24 HD16
HAD25 HD17
HAD26 HD18
HAD27 HD19
HAD28 HD20
HAD29 HD21
HAD30 HD22
HAD31 HD23
HRST HRST
HINTA HINTA
PVCL Leave unconnected
DSP56305 User's Manual
Signal/Connection Descriptions
Signal Groupings
Port B GPIO
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
PB9
PB10
PB11
PB12
PB13
PB14
PB15
PB16
PB17
PB18
PB19
CC
PB20
PB21
PB22
PB23
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
CC
Internal disconnect
CC
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Internal disconnect
Leave unconnected
HP Reference
HP0
HP1
HP2
HP3
HP4
HP5
HP6
HP7
HP8
HP9
HP10
HP11
HP12
HP13
HP14
HP15
HP16
HP17
HP18
HP19
HP20
HP21
HP22
HP23
HP24
HP25
HP26
HP27
HP28
HP29
HP30
HP31
HP32
HP33
HP34
HP35
HP36
HP37
HP38
HP39
HP40
HP41
HP42
HP43
HP44
HP45
HP46
HP47
HP48
HP49
HP50
PVCL
AA1407
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