Rev. C
|
Page 26 of 48
|
December 2006
ADSP-TS201S
Table 25. Power-Up Timing
1
Parameter
Min
Max
Unit
Timing Requirement
t
VDD_DRAM
V
DD_DRAM
Stable After V
DD
, V
DD_A
, V
DD_IO
Stable
>0
ms
1
For information about power supply sequencing and monitoring solutions, please visit
www.analog.com/sequencing
.
Figure 12. Power-Up Timing
Table 26. Power-Up Reset Timing
Parameter
Min
Max
Unit
Timing Requirements
t
RST_IN_PWR
RST_IN Deasserted After V
DD
, V
DD_A
, V
DD_IO
, V
DD_DRAM
, SCLK, and Static/
Strap Pins Stable
2
ms
t
TRST_IN_PWR
1
TRST Asserted During Power-Up Reset
100 × t
SCLK
ns
Switching Characteristic
t
RST_OUT_PWR
RST_OUT Deasserted After RST_IN Deasserted
1.5
ms
1
Applies after V
DD
, V
DD_A
, V
DD_IO
, V
DD_DRAM
, and SCLK are stable and before RST_IN deasserted.
Figure 13. Power-Up Reset Timing
V
DD
V
DD_A
V
DD_IO
V
DD_DRAM
t
VDD_DRAM
RST_OUT
t
RST_OUT_PWR
TRST
t
TRST_IN_PWR
SCLK, V
DD,
V
DD_A,
V
DD_IO,
V
DD_DRAM
STATIC/STRAP PINS
RST_IN
t
RST_IN_PWR
Содержание TigerSHARC ADSP-TS201S
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