AC Electrical Characteristics
TCK
(Input)
513
TRST
(Input)
512
Figure 2-49. TRST Timing Diagram
2.5.12 OnCE Module TimIng
Table 2-26. OnCE Module Timing
80 MHz
100 MHz
Unit
No.
Characteristics
Expression
Min
Max
Min
Max
500
1/(T × 3),
max: 22.0 MHz
0.0
22.0
0.0
22.0
MHz
TCK frequency of operation
C
514 DE assertion time in order to enter Debug mode
1.5 × T + 10.0
28.8
—
—
25.0
—
—
ns
ns
C
515 Response time when DSP56301 is executing NOP
instructions from internal memory
5.5 × T + 30.0
98.8
85.0
C
516 Debug acknowledge assertion time
3 × T – 5.0
47.5
—
25.0
—
ns
C
Note:
V
= 3.3 V 0.3 V; T = −40°C to +100 °C, C = 50 pF
CC J L
DE
514
515
516
Figure 2-50. OnCE—Debug Request
DSP56301 Technical Data, Rev. 10
Freescale Semiconductor
2-51
FREESCALE [ Freescale ]
