STA680 Datasheet, PDF (15/43 Pages) STMicroelectronics – HD Radio base-band receiver

STA680
I/O description
Table 2. Pins description (continued)
Pin # Ball #
Signal name
Type Electrical
Supply
group
Description
I²S audio input interface
45
F2 AUDIO_IN_AWS
input
1.8 V or 3.3 V
Generic IO
Supply
Digital audio input word strobe
44
E1 AUDIO_IN_ABCK
input
1.8 V or 3.3 V
Generic IO
Supply
Digital audio input bit clock
50
F1 AUDIO_IN_ADAT
input
1.8 V or 3.3 V
Generic IO
Supply
Digital audio input serial data
Audio output interfaces
55
G1 AWS
56
H3 ABCK
54
G2 ADAT
53
C3 ADAT2
52
E3 ADAT3
43
E2 SPDIF
34
B3 BLEND
51
G3 DAC256X
in/out
1.8 V or 3.3 V
Generic IO
Supply
Digital audio output word strobe
in/out
1.8 V or 3.3 V
Generic IO
Supply
Digital audio output clock
output
1.8 V or 3.3 V
Generic IO
Supply
Digital audio output serial data
output
1.8 V or 3.3 V
Generic IO
Supply
Digital audio output serial data
channel 2
output
1.8 V or 3.3 V
Generic IO
Supply
Digital audio output serial data
channel 3
output
1.8 V or 3.3 V
Generic IO
Supply
Digital audio output in SPDIF
format
output
1.8 V or 3.3 V
Generic IO
Supply
Digital audio output blend output
output
1.8 V or 3.3 V
Generic IO
Supply
Digital audio output
oversupplying clock (256 x Fs)
Clock and oscillator
57
K2 CLK_IN
input
1.8 V or 3.3 V
Generic IO
Supply
Reference digital clock
66
L1 OSC_IN
analo
g
1.8 V
Osc
Supply
28,224MHz crystal in or digital
clock input
67
L2 OSC_OUT
analo
g
1.8 V
Osc
Supply
Crystal output
SPI Flash interface
77
P4 SPI2_MISO
74
N3 SPI2_MOSI
75
Not
bonded
P3 SPI2_SS0_N
M3 SPI2_SS1_N
input
1.8 V or 3.3 V
Flash IO
Supply
output
1.8 V or 3.3 V
Flash IO
Supply
output
1.8 V or 3.3 V
Flash IO
Supply
output
1.8 V or 3.3 V
Flash IO
Supply
SPI interface 2 serial data master
in/slave out
SPI interface 2 serial data master
out/slave in
SPI interface 2 active-low slave
select 0
SPI interface 2 active-low slave
select 1
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