参数资料
型号: TMDXEVM5515
厂商: Texas Instruments
文件页数: 144/159页
文件大小: 0K
描述: EVAL MODULE DSP FOR C55XX
标准包装: 1
类型: DSP
适用于相关产品: TMS320C55x 系列
所含物品: 板,线缆,CD,电源
产品目录页面: 718 (CN2011-ZH PDF)
其它名称: 296-25753
SPRS645F – AUGUST 2010 – REVISED OCTOBER 2013
5.18.2 USB 2.0 Electrical Data/Timing
Table 5-49. Switching Characteristics Over Recommended Operating Conditions for USB 2.0 (see
CV DD = 1.05 V
CV DD = 1.3 V
NO.
PARAMETER
FULL SPEED
12 Mbps
MIN
MAX
HIGH SPEED
480 Mbps (1)
MIN
MAX
UNIT
1
2
t r(D)
t f(D)
Rise time, USB_DP and USB_DM signals (2)
Fall time, USB_DP and USB_DM signals (2)
4
4
20
20
0.5
0.5
ns
ns
3
t rfM
Rise/Fall time, matching
(3)
90
111
%
4
7
V CRS
t w(EOPT)
Output signal cross-over voltage (2)
Pulse duration, EOP transmitter (4)
1.3
160
2
175
V
ns
8
9
t w(EOPR)
t (DRATE)
Pulse duration, EOP receiver (4)
Data Rate
82
12
480
ns
Mb/s
10
11
Z DRV
Z INP
Driver Output Resistance
Receiver Input Impedance
40.5
100k
49.5
40.5
-
49.5
-
?
?
(1)
(2)
(3)
(4)
For more detailed information, see the Universal Serial Bus Specification, Revision 2.0, Chapter 7.
Full Speed and High Speed C L = 50 pF
t RFM = (t r /t f ) x 100. [Excluding the first transaction from the Idle state.]
Must accept as valid EOP
USB_DM
V CRS
USB_DP
10% V OL
t r
t per - t jr
90% V OH
t f
Figure 5-43. USB2.0 Integrated Transceiver Interface Timing
144
Peripheral Information and Electrical Specifications
Product Folder Links: TMS320C5515
Copyright ? 2010–2013, Texas Instruments Incorporated
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