TDA7706 Datasheet, PDF (7/16 Pages) STMicroelectronics – Highly integrated tuner for AM/FM car-radio

TDA7706
Block diagram and pin description
Table 2. Pin description (continued)
Pin
Pin name
I/O
Function
Description
37 GPIO8
In/Out
SAI clk
Pull-down 50 k to ground,
SINE_3V3_LIN pad
38 GPIO7
39 GPIO6
40 GPIO5
In/Out
In/Out
In/Out
Audio SAI word-select
Pull-down 50 k to ground,
SINE_3V3_LIN pad
Audio SAI data-output
Pull-down 50 k to ground,
SINE_3V3_LIN pad
Audio SAI data-input
Pull-down 50 k to ground,
SINE_3V3_LIN pad
41 GPIO4
42 GPIO3
In/Out
In/Out
HD Radio
connectivity/
Audio output
I2S interface
SAI Base-Band clock
Pull-down 50 k to ground,
SINE_3V3_LIN pad
SAI Base-Band word-select
Pull-down 50 k to ground,
SINE_3V3_LIN pad
43 GPIO2
Out
SAI Base-Band I data
Pull-down 50 k to ground,
SINE_3V3_LIN pad
44 GPIO1
Out
SAI Base-Band Q data
Pull-down 50 k to ground,
SINE_3V3_LIN pad
Equivalent circuit
'!0'03
45 GPIO0
46 GND1V2
47 VDD core 1V2
In
-
-
In -
HD blend
Pull-down 50 k to ground
DSP core ground
DSP core 1.2V supply
'!0'03
-
-
48 Test
49 VDDPLL1V2
50 VDDIO1V2
51 VCC-REF
In -
In -
In -
In -
Test Mode
Pull-down 50 k to ground
Digital PLL 1.2 V supply
Internal inter-IC communication
1.2V supply
Front-end reference frequency and
regulator 5 V supply
'!0'03
-
-
-
Doc ID 022898 Rev 3
7/16