BCM4339XKWBGT Datasheet, PDF (170/183 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM4339 Preliminary Data Sheet
PCI Express Interface Parameters
PCI Express Interface Parameters
Table 61: PCI Express Interface Parameters
Parameter
Symbol
Comments
Minimum Typical Maximum Unit
General
Baud rate
Reference clock
amplitude
BPS
Vref
–
–
LVPECL, AC coupled 1
5
–
–
–
Gbaud
V
Receiver
Differential termination ZRX-DIFF-DC
Differential termination 80
100 120
Ω
DC impedance
ZRX-DC
DC common-mode
40
impedance
50
60
Ω
Powered down
ZRX-HIGH-IMP-DC- Power-down or RESET 100k
–
–
Ω
termination (POS) POS
high impedance
Powered down
ZRX-HIGH-IMP-DC- Power-down or RESET 1k
–
–
Ω
termination (NEG) NEG
high impedance
Input voltage
VRX-DIFFp-p
AC coupled, differential 175
–
–
mV
p-p
Jitter tolerance
TRX-EYE
Minimum receiver eye 0.4
–
–
UI
width
Differential return loss RLRX-DIFF
Differential return loss 10
–
–
dB
Common-mode return RLRX-CM
loss
Common-mode return 6
loss
–
–
dB
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.
–
10
ms
Signal detect threshold VRX-IDLE-DET-
DIFFp-p
Electrical idle detect 65
threshold
–
175
mV
Transmitter
Output voltage
VTX-DIFFp-p
Output voltage rise
time
VTX-RISE
Output voltage fall time VTX-FALL
Differential p-p,
programmable in 16
steps
20% to 80%
80% to 20%
0.8
–
0.125
–
(2.5 GT/s)
0.15
(5 GT/s)
0.125
–
(2.5 GT/s)
0.15
(5 GT/s)
1200
mV
–
UI
–
UI
Broadcom^®
November 17, 2014 • 4339-DS106-R
Page 169