ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢆꢇ ꢄ ꢈꢈ ꢉ ꢀ ꢁꢂ ꢃ ꢄꢅ ꢆꢇ ꢄꢈꢈꢊ
ꢋ ꢌꢍ ꢎꢏꢐꢑꢒ ꢌ ꢓꢀ ꢏꢌ ꢔꢌ ꢀꢕꢖ ꢂꢌ ꢔ ꢓꢕꢖ ꢑꢗ ꢒ ꢆꢎ ꢂ ꢂꢒ ꢗ ꢂ
SPRS073L − AUGUST 1998 − REVISED JUNE 2005
PARAMETER MEASUREMENT INFORMATION (CONTINUED)
Table 20. IBIS Timing Parameters Example (see Figure 12)
NO.
1
DESCRIPTION
Clock route delay
2
Minimum DSP hold time
3
Minimum DSP setup time
External device hold time requirement
External device setup time requirement
Control signal route delay
External device hold time
4
5
6
7
8
External device access time
DSP hold time requirement
DSP setup time requirement
Data route delay
9
10
11
ECLKOUT
(Output from DSP)
1
ECLKOUT
(Input to External Device)
2
3
†
Control Signals
(Output from DSP)
4
5
6
Control Signals
(Input to External Device)
7
8
‡
Data Signals
(Output from External Device)
9
10
11
‡
Data Signals
(Input to DSP)
† Control signals include data for Writes.
‡ Data signals are generated during Reads from an external device.
Figure 12. IBIS Input/Output Timings
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