21150-AB Intel Corporation, 21150-AB Datasheet - Page 39

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21150-AB

Manufacturer Part Number
21150-AB
Description
Communications, Transparent PCI-to-PCI Bridge
Manufacturer
Intel Corporation
Datasheet

Specifications of 21150-AB

Case
QFP
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Preliminary
Figure 6. Flow-Through Posted Memory Write Transaction
Datasheet
The 21150 ends the transaction on the target bus when one of the following conditions is met:
Section 4.8.3.2
during posted write transactions.
p_devsel_l
s_devsel_l
p_frame_l
s_frame_l
p_stop_l
s_stop_l
p_irdy_l
p_trdy_l
s_trdy_l
p_cbe_l
s_irdy_l
s_cbe_l
All posted write data has been delivered to the target.
The target returns a target disconnect or target retry (the 21150 starts another transaction to
deliver the rest of the write data).
The target returns a target abort (the 21150 discards remaining write data).
The master latency timer expires, and the 21150 no longer has the target bus grant (the 21150
starts another transaction to deliver remaining write data).
p_clk
Cycle
s_clk
p_ad
s_ad
< 15ns >
CY0
provides detailed information about how the 21150 responds to target termination
CY1
Addr
7
CY2
Data
CY3
CY4
Data
CY5
Data
Addr
7
CY6
Data
Data
Byte Enables
CY7
Data
CY8
Data
Data
CY9
Data
Data
CY10
Data
Data
Byte Enables
CY11
Data
Data
CY12
Data
Data
CY13
86%
Data
CY14
Data
CY15
Data
CY16
LJ-04843.AI4
Data
CY17
21150
31

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