z16c32 ZiLOG Semiconductor, z16c32 Datasheet - Page 20

• Manufacturer Part Number: z16c32
• Description: Iusc Integrated Universal Serial Controller
• Manufacturer: ZiLOG Semiconductor

Z
PS97USC0200
ILOG
Transaction
Write
BCR
Up T o and Including
8-Bit With
Separate
Any Transaction
Address
BCR[15]=1
BCR[2]=0
Note:
The presence of one transaction with an /AS active between reset, up to
and including the BCR write, chooses a multiplexed type of bus.
BCR Write
8-Bit Without
Figure 7. BCR Reset Sequence and Bit Assignments
Multiplexed
BCR[15]=0
Separate
BCR[2]=0
Address
Non-
Bus
BCR[2]=1
P R E L I M I N A R Y
No /AS
16-Bit
Reset
8-Bit With
Separate
Address
At Least One /AS
BCR[15]=1
BCR[2]=0
8-Bit Without
Multiplexed
BCR[15]=0
Separate
BCR[2]=0
Address
Bus
BCR[2]=1
16-Bit
Z16C32 IUSC
20
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