AMBE2000 Datasheet, PDF (36/47 Pages) List of Unclassifed Manufacturers – VOCODER CHIP

AMBE-2000™ Vocoder Chip
User’s Manual Version 3.0
6.3 Low Level A/D–D/A Timing
Low Level Timing for A/D-D/A in Active and Passive Modes
Figure 6-A Low Level Timing for A/D-D/A in Active and Passive Modes
CODEC_RX_CLK
CODEC_RX_STRB
CODEC_RX_DATA
t_c(SCK)
t_w(SCK)
tt_{hsu(F(FSSRR) )}
MSB
1
t_w(SCK)
t_su(DR)
t_h(DR)
2
t_f(SCK)
t_r(SCK)
LSB
7/15
8/16
CODEC_TX_CLK
t_h(FSX)
CODEC_TX_STRB
CODEC_TX_DATA
t_d(FSX)
t_c(SCK)
t_w(SCK)
t_h(FSX)H
t_w(SCK)
t_d(DX)
MSB
1
2
t_h(DX)
t_f(SCK)
t_r(SCK)
t_dis(DX)
LSB
7/15
8/16
Table 6-B Switching Characteristics Over Recommended Operating Conditions
for Serial Port Receive
Reference
t_h(FSR)
t_h(DR)
Parameter
Hold time, FSR after CLKR falling edge
Hold time, DR after CLKR falling edge
3.3 Volts
Min
Max
6
6
Units
ns
ns
page 36
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