TDA7505 Datasheet, PDF (8/38 Pages) STMicroelectronics – Car radio DSP for advanced signal processing

Pin description
3
Pin description
TDA7505
Table 2. Pin description
N°
Name
Type
Function
1
DAC4
A Signal output D/A converter (single ended)
2
DAC5
A Signal output D/A converter (single ended)
N°
Name
Type
Voltage
Function
3 VDD1V8_1
S
4 GND1V8_1
S
1.8V
0V
Digital Supply dedicated to internal logic
Digital Ground dedicated to internal logic
Reset ^{After boot with}
N°
Name
Type
I/O
state _{SPI I}2_{C * EMI}
Function
5 NRESET
SRCCD
6 MISOD output
MISOD input
SRCMD
MOSID input
7 MOSID output
DSP0 GPIO0
DSP0 GPIO0
SSD input
INT
8
DSP0 GPIO1
DSP0 GPIO1
CLKIN
9 SCKD input
SCKD output
I E0
I/O Z
I/O
Z
I/O
Z
I/O Z
E1 E1 E1 Input 5VT
System Reset. A low level
applied to NRESET input
initializes the IC.
Input 5VT
SPDIF input source 1 (e.g.: CD)
Z
Z
Z Output 2mA PP/OD Display SPI SO (slave mode)
Input 5VT
Display SPI MI (master mode)
Input 5VT
Input 5VT
Output 2mA PP
Z
Z
Z Input 5VT
Output 2mA PP
SPDIF input source 2 (e.g.: MD)
Display SPI SI (slave mode)
Display SPI MO (master mode)
GPIO input
GPIO output
Input 5VT
Input 5VT
Z
Z
Z Input 5VT
Output 2mA PP
Display SPI SS slave select
DSP0 external interrupt (IRQA)
GPIO input
GPIO output
Input 5VT
Z
Z
Z Input 5VT
Output 2mA PP
External clock input for PLL
Display SPI clock (slave mode)
Display SPI clock (master mode)
N°
Name
Type
Voltage
Function
10 AVDD
S
11 XTI
A
3.3V
AC
Supply dedicated to the PLL
Crystal oscillator input
12 XTO
A
13 AGND
S
AC
Crystal oscillator output
0V
Ground dedicated to the PLL
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