Datasheet

TUSB1210
www.ti.com SLLSE09F –NOVEMBER 2009–REVISED AUGUST 2012
Table 6-12. HS Transmitter
PARAMETER COMMENTS MIN TYP MAX UNIT
V
HSOI
High-speed idle level Ref. USB2.0 -10 10 mV
V
HSOH
High-speed data signaling high Ref. USB2.0 360 440 mV
V
HSOL
High-speed data signaling low Ref. USB2.0 -10 10 mV
VCHIRPJ Chirp J level (differential voltage) Ref. USB2.0 700 1100 mV
VCHIRPK Chirp K level (differential voltage) Ref. USB2.0 -900 -500 mV
THSR Rise Time (10% - 90%) Ref. USB2.0, covered by eye diagram 500 ps
THSR Fall time (10% - 90%) Ref. USB2.0, covered by eye diagram 500 ps
ZHSDRV Driver output resistance (which also serves as Ref. USB2.0 40.5 49.5 Ω
high-speed termination)
THSDRAT High-speed data range Ref. USB2.0, covered by eye diagram 479.76 480. Mb/s
24
Data source jitter Ref. USB2.0, covered by eye diagram
Downstream eye diagram Ref. USB2.0, covered by eye diagram
Upstream eye diagram Ref. USB2.0, covered by eye diagram
6.3.3.6 UART Transceiver
In this mode, the ULPI data bus is redefined as a 2-pin UART interface, which exchanges data through a
direct access to the FS/LS analog transmitter and receiver.
Table 6-13. USB UART Interface Timing Parameters
PARAMETER MIN MAX UNIT
t
PH_DP_CON
Phone D+ connect time 100 ms
t
PH_DISC_DET
Phone D+ disconnect time 150 ms
f
UART_DFLT
Default UART signaling rate (typical rate) 9600 bps
Figure 6-1. USB UART Data Flow
Table 6-14. CEA-2011/UART Transceiver
PARAMETER COMMENTS MIN TYP MAX UNIT
UART Transmitter CEA-2011
t
PH_UART_EDGE
Phone UART edge rates DP_PULLDOWN asserted 1 Μs
V
OH_SER
Serial interface output high ISOURCE = 4 mA 2.4 3.3 3.6 V
V
OL_SER
Serial interface output low ISINK = –4 mA 0 0.1 0.4 V
UART Receiver CEA-2011
VI
H_SER
Serial interface input high DP_PULLDOWN asserted 2 V
V
IL_SER
Serial interface input low DP_PULLDOWN asserted 0.8 V
V
TH
Switching threshold 0.8 2 V
Copyright © 2009–2012, Texas Instruments Incorporated USB Connectivity 23
Submit Documentation Feedback
Product Folder Links: TUSB1210