Specifications

WIFI-2-V897EA1
IEEE 802.11a/b/g/n/ac 2T2R
page 20
of
25
Symbol Parameter Min. Typ. Max. Unit
UI
Unit interval
Each UI 400 ps±300 PPM
UI does not account for SSC dictated variations
399.98 400- 400.12 ps
V
RX-DIFFpp
Differential peak-to-peak output voltage
V
RX_DIFFpp
=2*|V
TX_D+
-V
TX_D-
|
0.175 - 1.2 V
T
RX-EYE
Minimum Tx eye width 0.4 - - UI
T
RX-EYE-MEDIAN-_
MAX-JIT
Maximum time between jitter median and
maximum deviation from median
--0.3UI
V
RX-CM-ACp
AC peak common mode input voltage - - 150 mV
RL
RX-DIFF
Differential return loss 10 - - dB
RL
RX-CM
Common mode return loss 6 - - dB
Z
RX-DIFF-DC
DC differential input impedance 80 100 120
Ω
Z
RX-DC
DC input impedance 40 50 60
Ω
Z
RX-HIGH-IMP-DC-P
OS
Powered down DC input impedance positive 50 - - k
Z
RX-HIGH-IMP-DC-N
EG
Powered down DC input impedance negative 1 - -
kΩ
V
RX-IDLE-DET-DIFFp
p
Electrical idle detect threshold 65 - 175 UI
T
RX-IDLE-DET-DIFF-
ENTERTIME
Unexpected electrical idle enter detect threshold
integration time
--10UI
L
RX-SKEW
Total skew - -2 0 dB
5.3 USB Interface
5.3.1 USB 2.0 Device Interface Description
Pin Name
USB 2.0 Specification
Pin Name
Description
Pin72/3V3_USB VBUS
USB Bus Power Supply
On-board regulator regulates voltage from VBUS level to
voltage levels used by USB PHY
GND
USB Bus Ground
Common ground on SoC device
Pin70/USB_DP D+
USB Data Plus
One of the differential data pair
Pin69/USB_DM D-
USB Data Minus
One of the differential data pair