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STLC4420A Datasheet(PDF) 8 Page - STMicroelectronics

Part # STLC4420A
Description  Single chip 802.11b/g/a WLAN radio
PDF  40 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STLC4420A Datasheet(HTML) 8 Page - STMicroelectronics

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Pin descriptions
STLC4420A
8/40
Power supply pins
POR_V2O
L17
1.8V (V2) Digital
Input
BB/MAC Power on Reset Input
POR_V2I
L18
1.8V (V2) Digital
Output
EMU Power on Reset Output. A more
detailed description could be added from the
ST EMU spec
POR_V4I
M6
2.8V (V4) Digital
Input
Transceiver Power on Reset Input
POR_V4O
M7
2.8V (V4) Digital
Output
EMU Power on Reset Output. A more
detailed description could be added from the
ST EMU spec
VBATV2X
B16
Supply Input
(3.6V)
Battery supply inputs for regulator V2X of the
EMU. Decouple . Decouple to a solid ground
plane using a ceramic capacitor located as
close a possible to the VBAT pins.
VBATV2
N24
Battery supply inputs for regulator V2 of the
EMU. Decouple to a solid ground plane using
a ceramic capacitor located as close a
possible to the VBAT pins.
VBATV1
N16
Battery supply input for regulator V1 of the
EMU. Decouple to a solid ground plane using
a ceramic capacitor located as close a
possible to the VBAT pins.
VBATV4
M14
Battery supply input for regulator V4 of the
EMU. Decouple to a solid ground plane using
a ceramic capacitor located as close a
possible to the VBAT pins.
STANDBY1
M20
1.8 Digital Output
Indicates power regulator standby status with
STANDBY_1. A more detailed description
should be taken from the ST EMU
specification
STANDBY2
M24
1.8 Digital Output
Indicates power regulator standby status with
STANDBY_1. A more detailed description
should be taken from the ST EMU
specification
SER_MODE
M18
1.8V (VIO) Digital
Input
Selects Serial Host Interface Mode. Set to
Logic High for SPI mode, set to Logic Low for
SDIO mode
VBAT
C15
Supply Input
(3.6V)
-
Battery supply inputs. Decouple to a solid
ground plane using a ceramic capacitor
located as close a possible to the VBAT pins.
VDIG
G23
Supply Input
(3.3V)
-
Supply pin for SW1 to SW4 digital output
drivers. (3.6V Nominal)
Table 1.
STLC4420A signal descriptions (continued)
Pin name
Pin number
Type
Internal
resistor
Function



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