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MPC823 датащи(PDF) 25 Page - Freescale Semiconductor, Inc

номер детали MPC823
подробное описание детали  This document contains detailed information on power considerations, DC/AC electrical characteristics, and AC timing specifications for the MPC823.
PDF  70 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC823 датащи(HTML) 25 Page - Freescale Semiconductor, Inc

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MPC823 ELECTRICAL SPECIFICATIONS
25
Table 2. Interrupt Timing
NUM
CHARACTERISTIC
25MHZ
40MHZ
50MHZ
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
I39
IRQx valid to CLKOUT rising edge (setup time)
6
Ñ
6/6
Ñ
6/6
Ñ
ns
I40
IRQx hold time after CLKOUT
2
Ñ
2/2
Ñ
2/2
Ñ
ns
I41
IRQx pulse width low
3
Ñ
3/3
Ñ
3/3
Ñ
ns
I42
IRQx pulse width high
3
Ñ
3/3
Ñ
3/3
Ñ
ns
I43
IRQx edge to edge time
160
Ñ
80/80
Ñ
80/80
Ñ
ns
NOTES:
1.
The timings I39 and I40 describe the testing conditions under which the IRQ lines are tested when defined as
level sensitive. The IRQ lines are synchronized internally and do not have to be asserted or negated with
reference to the CLKOUT.
2.
The timings I41 and I42 are speciÞed to allow the correct function of the IRQ lines detection circuitry, and has
no direct relation with the total system interrupt latency that the MPC823 can support.
Figure 20. Interrupt Detection Timing Diagram
for External Level-Sensitive Lines
CLKOUT
IRQx
I39
I40
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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