Analog-devices TigerSHARC ADSP-TS201S Uživatelský manuál stáhnout pdf (Strana 27)

ADSP-TS201S

Rev. C | Page 27 of 48 | December 2006

Table 27. Normal Reset Timing

Parameter Min Max Unit

Timing Requirements

RST_IN

RST_IN Asserted 2 ms

STRAP

RST_IN Deasserted After Strap Pins Stable 1.5 ms

Switching Characteristic

RST_OUT

RST_OUT Deasserted After RST_IN Deasserted 1.5 ms

Figure 14. Normal Reset Timing

Table 28. On-Chip DRAM Refresh

Parameter Min Max Unit

Timing Requirement

REF

On-chip DRAM Refresh Period 1.56 μs

For more information on setting the refresh rate for the on-chip DRAM, refer to the ADSP-TS201 TigerSHARC Processor Programming Reference.

STRAP PINS

STRAP

RST_IN

RST_OUT

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 47 48

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Analog-devices TigerSHARC ADSP-TS201S Uživatelský manuál Strana 27