TDA7505 datasheet(23/38 Pages) STMICROELECTRONICS

Part #	TDA7505

Description	Car radio DSP for advanced signal processing

PDF	38 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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23 / 38 page

TDA7505

Electrical specifications

23/38

Figure 9.

Debug port serial clock timing

Figure 10.

Debug port acknowledge timing

Figure 11.

Debug port data I/O to status timing

DBCK high to DBOUT invalid

DBIN valid to DBCK low (set-up)

DBCK low to DBIN invalid (hold)

DBOUT (ACK) asserted to first DBCK high

2*TDSP

DBOUT (ACK) assertion width

5*TDSP - 3

5*TDSP + 7

Last DBCK low of read register to first DBCK

high of next command

7*TDSP + 10

Last DBCK low to DBOUT invalid (hold)

DBSEL setup to DBCK

TDSP

Table 19.

Debug port interface (continued)

No.

Characteristics (Fdsp = 75MHz)

Min.

Max.

Unit

(1)

(3)

(4)

(5)

(2)

DBCK

(input)

D02AU1363

(6)

DBRQN

(input)

DBOUT

(output)

D02AU1364

(ACK)

(Last)

DBCK

(input)

DBOUT

(output)

(9)

(Note 1)

Note:

1 High Impedance, external pull-down resistor

DBIN

(input)

(10)

D02AU1365

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