BCM43143KMLGT Datasheet, PDF (53/58 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio with USB/SDIO Host Interface

BCM43143 Advance Data Sheet
USB Parameters
USB Parameters
Table 23: USB Parameters
Parameter
Symbol
Comments
Minimum Typical
General
Baud rate
Reference frequency
Reference clock
amplitude
BPS
Fref
Vref
–
–
2.5
From crystal oscillator –
100
LVPECL, AC coupled 1
–
Receiver
Differential termination ZRX-DIFF-DC
Differential termination 80
100
DC impedance
ZRX-DC
DC common-mode 40
50
impedance
Powered down
termination
ZRX-HIGH-IMP-
DC
Power-down high
impedance
(singled ended to
ground)
200k
–
Input voltage
VRX-DIFFp-p
AC coupled, differential 175
–
p-p
Jitter tolerance
TRX-EYE
Minimum receiver eye 0.4
–
width
Differential return loss RLRX-DIFF
Differential return loss 12
–
Common-mode return RLRX-CM
loss
Common-mode return 11
–
loss
Unexpected electrical TRX-IDEL-DET- An unexpected
–
–
idle enter detect
DIFF-ENTERTIME electrical idle must be
threshold integration
recognized no longer
time
than this time to signal
an unexpected idle
condition.
Signal detect
threshold
VRX-IDLE-DET- Electrical idle detect 65
–
DIFFp-p
threshold
Maximum Unit
–
Gbaud
–
MHz
–
V
120
Ω
60
Ω
–
Ω
1200
mV
–
UI
–
dB
–
dB
10
ms
175
mV
Transmitter
Output voltage
VTX-DIFFp-p
Differential p-p,
0
–
programmable in 16
steps
Output voltage rise VTX-RISE
time
20% to 80%
0.125 –
Output voltage fall
time
VTX-FALL
80% to 20%
0.125 –
De-emphasis (a1) VTX-DE-RATIO Programmable in 16 0
–
steps
RX detection voltage VTX-RCV-
The amount of voltage –
–
swing
DETECT
change allowed during
receiver detection.
1200
mV
–
UI
–
UI
40
%
600
mV
Broadcom^®
November 14, 2014 • 43143-DS104-R
Single-Chip IEEE 802.11b/g/n MAC/PHY/Radio
Page 52