MPC8313ECZQADDC Freescale Semiconductor, MPC8313ECZQADDC Datasheet - Page 634
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MPC8313ECZQADDC
Manufacturer Part Number
MPC8313ECZQADDC
Description
Microprocessors - MPU 8313 REV2.2 PB ENC EXT
Manufacturer
Freescale Semiconductor
Datasheet
1.MPC8313CZQADDC.pdf
(1214 pages)
Specifications of MPC8313ECZQADDC
Processor Series
MPC8313E
Core
e300
Data Bus Width
16 bit
Maximum Clock Frequency
133 MHz
Program Memory Size
16 KB
Data Ram Size
16 KB
Interface Type
I2C
Mounting Style
SMD/SMT
Package / Case
PBGA
Number Of Programmable I/os
32
Number Of Timers
4
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PCI Bus Interface
Note that when an initiator is terminated by PCI_STOP, it must negate its REQn signal for a minimum of
two PCI clocks (of which one clock is needed for the bus to return to the idle state). If the initiator intends
to complete the transaction, it should reassert its REQn immediately following the two clocks or potential
starvation may occur. If the initiator does not intend to complete the transaction, it can assert REQn
whenever it needs to use the PCI bus again.
The PCI controller terminates a transaction in the following cases:
Another target-initiated termination is the retry termination. Retry refers to termination requested because
the target is currently in a state where it is unable to process the transaction. This can occur because no
buffer entries are available in the I/O sequencer, or the sixteen clock latency timer has expired without
13-52
•
•
•
•
•
•
PCI_DEVSEL
PCI_FRAME
PCI_TRDY
PCI_STOP
PCI_IRDY
PCI_CLK
Eight PCI clock cycles have elapsed between data phases. This is a ‘latency disconnect’ (see
Figure
AD[1:0] is 0bx1 (a reserved burst ordering encoding) during the address phase and one data phase
has completed.
The PCI command is a configuration command and one data phase has completed.
A streaming transaction crosses a 4-Kbyte page boundary.
A streaming transaction runs out of I/O sequencer buffer entries.
A cache line wrap transaction has completed a cache line transfer.
PCI_DEVSEL
PCI_FRAME
MPC8313E PowerQUICC™ II Pro Integrated Processor Family Reference Manual, Rev. 2
PCI_STOP
PCI_TRDY
PCI_IRDY
13-50).
PCI_CLK
Disconnect A
Latency disconnect
Figure 13-52. Target-Initiated Terminations
Disconnect B
PCI_DEVSEL
PCI_FRAME
PCI_TRDY
PCI_STOP
PCI_IRDY
PCI_CLK
Target abort
Freescale Semiconductor
Retry
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