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AS7058 Datasheet(PDF) 9 Page - ams-OSRAM AG

Part # AS7058
Description  IC for PPG, ECG and body impedance measurement
PDF  199 Pages
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Manufacturer  AMSOSRAM [ams-OSRAM AG]
Direct Link  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS7058 Datasheet(HTML) 9 Page - ams-OSRAM AG

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AS7058
Pin assignment
Datasheet • PUBLIC • Document Feedback
DS001077 • v2-00 • 2025-Sep-24
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3.2
Pin description
Table 2: Pin description of AS7058
Pin
number
Pin name
Pin
type(1)
Description
A1
LED5
AI
LED input number 5 which is connected internally to LED driver 2. In
case input is not used in application pin can be left unconnected.
A2
LED7
AI
LED input number 7 which is connected internally to LED driver 2. In
case input is not used in application pin can be left unconnected.
A3
LED8
AI
LED input number 8 which is connected internally to LED driver 2. In
case input is not used in application pin can be left unconnected.
A4
LED4
AI
LED input number 4 which is connected internally to LED driver 1. In
case input is not used in application pin can be left unconnected.
A5
LED3
AI
LED input number 3 which is connected internally to LED driver 1. In
case input is not used in application pin can be left unconnected.
A6
LED1
AI
LED input number 1 which is connected internally to LED driver 1. In
case input is not used in application pin can be left unconnected.
B1
LED6
AI
LED input number 6 which is connected internally to LED driver 2. In
case input is not used in application pin can be left unconnected.
B2
PGND2
G
LED driver 2 power ground pin for LED inputs LED5, LED6, LED7
and LED8.
B3
EXTCLK_SYNC
DI
External Clock and synchronization input. This digital input can be
used to feed in an external 2 MHz clock. Furthermore, pin can also
be used for external host synchronization to trigger a measurement
start based on signal level of the EXTCLK_SYNC pin.
B4
CSXN
DI
SPI Chip Select input pin.
In case I²C interface is used as device host communication
interface, this pin requires an external pull up resistor.
B5
PGND1
G
LED driver 1 power ground pin for LED inputs LED1, LED2, LED3
and LED4.
B6
LED2
AO
LED input number 2 which is connected internally to LED driver 1. In
case input is not used in application pin can be left unconnected.
C1
VCSELA
AO
VCSEL Diode Anodes
C2
VCSELS
P
This is the power supply input pin for the LED driver and VCSEL
circuit. Pin must always be connected to LED supply voltage
and must not be left unconnected.
C3
GPIO
DO/DI
Digital General Purpose I/O which allows to assign various
functions.
C4
MISO
DO
SPI Data Output pin
C5
SDA_MOSI
DO/DI
Data for I²C Interface/SPI data in
C6
SCL
DI
Clock input for I²C/SPI interface
D1
BIOZ3
AI/AO
Input/Output 3 for BIOZ
D2
BIOZ1
AI/AO
Input/Output 1 for BIOZ



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