AMBE-2000 Digital Voice Systems, Inc., AMBE-2000 Datasheet - Page 24

• 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.

4.3.1
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CHAN_RX_STRB
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CHAN_TX_DATA
CHAN_TX_STRB
CHAN_RX_CLK
CHAN_TX_CLK
CHAN_RX_DATA
Low Level Timing for Passive and Active Serial Mode
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t
h(FSX)
Figure 4-B Low Level Timing for Passive and Active Serial Mode
Table 4-D Switching Characteristics Over Recommended Operating Conditions for Serial Port
Receive
Reference
t
t
h(FSR)
h(DR)
t
d(FSX)
t
t
Parameter
Hold time, FSR after CLKR falling edge
Hold time, DR after CLKR falling edge
h(FSR)
su(FSR)
MSB
t
1
MSB
h(FSX)H
1
t
c(SCK)
AMBE-2000™ Vocoder Chip
t
c(SCK)
User’s Manual Version 4.0
t
w(SCK)
2
t
t
w(SCK)
t
w(SCK)
2
d(DX)
t
su(DR)
t
w(SCK)
t
h(DR)
t
h(DX)
Min
6
6
t
r(SCK)
3.3 Volts
t
15
r(SCK)
15
t
f(SCK)
Max
t
f(SCK)
t
LSB
dis(DX)
LSB
Units
16
16
ns
ns
Page 24