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STA1080 Datasheet(PDF) 29 Page - STMicroelectronics

Part # STA1080
Description  Accordo2 family – Automotive dual core processor for car radio and display audio application
PDF  127 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STA1080 Datasheet(HTML) 29 Page - STMicroelectronics

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DS13319 Rev 2
29/127
STA108x, STA109x
Signal description
126
3.1.8
USB Host and Dual Role
3.1.9
Power
Table 10. USB Signals
Name
GPIOs
Balls
DIR Power Domain
Description
USB_BGEXT
-
K14
T
VDD_IO
Test signal. Leave it unconnected.
USB_REXT
-
M18
P
USBx_VDD3V3 Connect to GND with a 3 kOhm 1% resistor.
USB0_DN
-
L18
I/O USB0_VDD3V3 USB0. Differential line D-.
USB0_DP
-
L19
I/O USB0_VDD3V3 USB0. Differential line D+.
USB1_DN
-
K18
I/O USB1_VDD3V3 USB1. Differential line D-.
USB1_DP
-
K19
I/O USB1_VDD3V3 USB1. Differential line D+.
USB1_DRVVBUS
GPIO26
M3_GPIO12
N16
C11
O
VDD_IO
It can be used to enable the VBUS when
USB1 is in host mode
Table 11. Power signals
Name
GPIOs
Balls
DIR
Power
Domain
Description
ADC0_1_AGND
-
J14
P
Power
ADC0 and ADC1 analog 3.3V supply ground.
ADC0_1_AVDD
-
H14
P
Power
ADC0 and ADC1 analog 3.3V supply.
ADC0_1_VCM
-
J17
P
Power
ADC0, ADC1 common voltage.
Connect 10nF and 10uF capacitors
connected to GND.
ADC0_1_VRFN
-
J16
P
Power
ADC0 and ADC1 Vref negative.
Connect it to GND.
ADC0_1_VRFP
-
J15
P
Power
ADC0 and ADC1 Vref positive.
Connect 10nF and 10uF capacitors connected
to GND.
ADC2_AGND
-
F13
P
Power
ADC2 (SAR) analog 3.3V supply ground.
ADC2_AVDD
-
G13
P
Power
ADC2 (SAR) analog 3.3V supply.
ADC2_VREFN
-
E12
P
Power
ADC2 (SAR) Vref negative.
Connect it to GND.
ADC2_VREFP
-
F15
P
Power
ADC2 Vref positive.
Connect it to 3.3V.
COMP0
-
L16
P
Power
Compensation cell input.
Connect to external 121Kohm res. 1% to
GND.
DAC_AGND
-
F14
P
Power
DAC analog supply ground.
DAC_AVDD
-
G15
P
Power
DAC analog 3.3V supply.
DAC_I/O_AGND
-
G14
P
Power
DAC0, DAC1, DAC2 I/O analog 3.3V supply.



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