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Signal Descriptions
Host Interface (HI)
Signal Name
Type
HACK
Input
PB14
Input/
Output
2-12
Table 2-6 Host Interface (Continued)
State During
Reset
Input
Host Acknowledge— This input has two functions. It
provides a host acknowledge handshake signal for
DMA transfers and it receives a host interrupt
acknowledge compatible with MC68000 family
processors.
Note:
Port B GPIO 14 (PB14)—This signal is a General
Purpose I/O signal (PB14) when the Host Interface is
not selected.
After reset, the default state for this signal is GPIO
input.
DSP56012 User's Manual
Signal Description
HACK should always be pulled high when it is
not in use.
MOTOROLA
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