AMBE-2000 Digital Voice Systems, Inc., AMBE-2000 Datasheet - Page 43

• Manufacturer Part Number: AMBE-2000
• Description: 2.0 - 9.6 KBPS Single ic For Toll-quality, Low Data Rate, Real Time Speech Compression
• Manufacturer: Digital Voice Systems, Inc.

7.6.2
Power Down provides the lowest power usage of the sleep modes, the only drawback to this mode is the necessity of a
hardware reset on RESETN (pin 69) to resume normal operation.
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Sleep Mode
Normal Operation
Standard Sleep
Power Down
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Power Down
Table 7-C Summary of Power Saving Modes
Enter State via
N/A
SLEEP_EN pin at
reset OR Control
Word
Control Word
AMBE-2000™ Vocoder Chip
User’s Manual Version 4.0
Return to Normal
Operation via
N/A
Control Word
RESETN
Wake Up
95 ms.
Time
N/A
N/A
24 mW
0.11 mW
Crystal
Power Consumption
Approx. 65mW
36 mW
0.11 mW
3V
CMOS
TTL
Page 43