Texas Instruments AM18x eXperimenter's Kit TMDSEXP1808L TMDSEXP1808L 데이터 시트
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TMDSEXP1808L
SPRS653E – FEBRUARY 2010 – REVISED MARCH 2014
6.21 Universal Serial Bus Host Controller (USB1) [USB1.1 OHCI]
All the USB interfaces for this device are compliant with Universal Serial Bus Specifications, Revision 1.1.
is the list of USB Host Controller registers.
Table 6-88. USB Host Controller Registers
USB1
ACRONYM
REGISTER DESCRIPTION
BYTE ADDRESS
0x01E2 5000
HCREVISION
OHCI Revision Number Register
0x01E2 5004
HCCONTROL
HC Operating Mode Register
0x01E2 5008
HCCOMMANDSTATUS
HC Command and Status Register
0x01E2 500C
HCINTERRUPTSTATUS
HC Interrupt and Status Register
0x01E2 5010
HCINTERRUPTENABLE
HC Interrupt Enable Register
0x01E2 5014
HCINTERRUPTDISABLE
HC Interrupt Disable Register
0x01E2 5018
HCHCCA
HC HCAA Address Register
(1)
0x01E2 501C
HCPERIODCURRENTED
HC Current Periodic Register
(1)
0x01E2 5020
HCCONTROLHEADED
HC Head Control Register
(1)
0x01E2 5024
HCCONTROLCURRENTED
HC Current Control Register
(1)
0x01E2 5028
HCBULKHEADED
HC Head Bulk Register
(1)
0x01E2 502C
HCBULKCURRENTED
HC Current Bulk Register
(1)
0x01E2 5030
HCDONEHEAD
HC Head Done Register
(1)
0x01E2 5034
HCFMINTERVAL
HC Frame Interval Register
0x01E2 5038
HCFMREMAINING
HC Frame Remaining Register
0x01E2 503C
HCFMNUMBER
HC Frame Number Register
0x01E2 5040
HCPERIODICSTART
HC Periodic Start Register
0x01E2 5044
HCLSTHRESHOLD
HC Low-Speed Threshold Register
0x01E2 5048
HCRHDESCRIPTORA
HC Root Hub A Register
0x01E2 504C
HCRHDESCRIPTORB
HC Root Hub B Register
0x01E2 5050
HCRHSTATUS
HC Root Hub Status Register
0x01E2 5054
HCRHPORTSTATUS1
HC Port 1 Status and Control Register
(2)
0x01E2 5058
HCRHPORTSTATUS2
HC Port 2 Status and Control Register
(3)
(1)
Restrictions apply to the physical addresses used in these registers.
(2)
Connected to the integrated USB1.1 phy pins (USB1_DM, USB1_DP).
(3)
Although the controller implements two ports, the second port cannot be used.
Table 6-89. Switching Characteristics Over Recommended Operating Conditions for USB1 [USB1.1]
1.3V,1.2V, 1.1V, 1.0V
NO.
PARAMETER
LOW SPEED
FULL SPEED
UNIT
MIN
MAX
MAX
MAX
U1
t
r
Rise time, USB.DP and USB.DM signals
(1)
75
(1)
300
(1)
4
(1)
20
(1)
ns
U2
t
f
Fall time, USB.DP and USB.DM signals
(1)
75
(1)
300
(1)
4
(1)
20
(1)
ns
U3
t
RFM
Rise/Fall time matching
(2)
80
(2)
120
(2)
90
(2)
110
(2)
%
U4
V
CRS
Output signal cross-over voltage
(1)
1.3
(1)
2
(1)
1.3
(1)
2
(1)
V
U5
t
j
Differential propagation jitter
(3)
-25
(3)
25
(3)
-2
(3)
2
(3)
ns
U6
f
op
Operating frequency
(4)
1.5
12
MHz
(1)
Low Speed: C
L
= 200 pF. High Speed: C
L
= 50pF
(2)
t
RFM
=( t
r
/t
f
) x 100
(3)
t
jr
= t
px(1)
- t
px(0)
(4)
f
op
= 1/t
per
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Peripheral Information and Electrical Specifications
185
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