MC68LC040RC25A Datasheet, PDF (198/442 Pages) Freescale Semiconductor, Inc – M68040 Users Manual

Freescale Semiconductor, Inc.
BB
STATE D
AM_BG, 040_BG*
BB*
040_BR
STATE C
AM_BG*, 040_BG
040_BR
BB*
040_BR V AM_BR*
AM_BG, 040_BG*
STATE A
AM_BR, 040_BG*
BB Λ 040_BR
AM_BG*, 040_BG
STATE B
BB Λ 040_BR*
(a) MC68040 High Priorty, Default Bus Master
BB Λ AM_BR*
STATE D
AM_BG, 040_BG*
BB*
BB Λ AM_BR
040_BR*
STATE C
AM_BG*, 040_BG
040_BR
BB*
AM_BR* V AM_BR Λ
LOCK Λ LOCKE*
AM_BG, 040_BG*
STATE A
AM_BR Λ LOCK Λ LOCKE V
AM_BR Λ LOCK*
BB Λ LOCK Λ LOCKE*
AM_BG*, 040_BG
STATE B
BB Λ LOCK* V BB
Λ LOCK Λ LOCKE
* Indicates the signal is asserted for that device.
(b) MC68040 Low-Priorty, Default Bus Master
Figure 7-37. M68040 Synchronous DMA Arbitration
7-56
M68040 USER’S MANUAL
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