AMBE-2000 Digital Voice Systems, Inc., AMBE-2000 Datasheet - Page 38

• 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.

6.3
Low Level Timing for A/D-D/A
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CODEC_TX_STRB
CODEC_TX_DATA
CODEC_RX_CLK
CODEC_RX_DATA
CODEC_TX_CLK
CODEC_RX_STRB
Low Level A/D–D/A Timing
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Figure 6-A Low Level Timing for A/D-D/A
Table 6-B Switching Characteristics Over Recommended Operating Conditions for Serial Port
Receive
t
h(FSX)
Reference
t
t
h(FSR)
h(DR)
Parameter
Hold time, FSR after CLKR falling edge
Hold time, DR after CLKR falling edge
t
d(FSX)
t
t
h(FSR)
su(FSR)
MSB
t
AMBE-2000™ Vocoder Chip
1
MSB
h(FSX)H
User’s Manual Version 4.0
1
t
c(SCK)
t
c(SCK)
t
w(SCK)
2
t
t
w(SCK)
t
w(SCK)
d(DX)
2
t
su(DR)
t
w(SCK)
t
h(DR)
t
h(DX)
Min
6
6
3.3 Volts
t
r(SCK)
7/15
t
7/15
r(SCK)
Max
t
f(SCK)
t
f(SCK)
Units
ns
ns
8/16
t
LSB
dis(DX)
LSB
8/16
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