TDA7503 Datasheet, PDF (15/26 Pages) STMicroelectronics – DUAL DSP PLUS MICRO FOR AUDIO APPLICATIONS

TDA7503
Debug Port Interface
No.
Characteristics
dclk = 40MHz
Unit
Min.
Max.
1 DBCK rise time
--
3
ns
2 DBCK fall time
--
3
ns
3 DBCK Low
40
--
ns
4 DBCK High
40
--
ns
5 DBCK Cycle Time
200
--
ns
6 DBRQN Asserted to DBOUT (ACK) Asserted
7 DBCK High to DBOUT Valid
5 T_DSP
--
--
ns
42
ns
8 DBCK High to DBOUT Invalid
3
--
ns
9 DBIN Valid to DBCK Low (Set-up)
15
--
ns
10 DBCK Low to DBIN Invalid (Hold)
3
--
ns
DBOUT (ACK) Asserted to First DBCK High
2 Tc
--
ns
DBOUT (ACK) Assertion Width
4.5 T_DSP - 3
5 T_DSP + 7
ns
11 Last DBCK Low of Read Register to First DBCK High of Next
7 T_DSP + 10
--
ns
Command
12 Last DBCK Low to DBOUT Invalid (Hold)
3
--
ns
DBSEL setup to DBCK
T_DSP
ns
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