TMP92CF30
2009-06-12
92CF30-371
3.16.3.15 FRAME Register
This register shows the frame number which is issued with SOF token from the host
and is used for Isochronous transfer type.
Each HIGH and LOW register shows upper and lower bits.
7 6 5 4 3
2 1 0
bit Symbol
−
T[6] T[5] T[4] T[3] T[2] T[1] T[0]
Read/Write R
R
R
R
R
R
R
R
FRAME_L
(07E1H)
Reset State
0
0
0
0
0
0
0
0
7 6 5 4 3 2 1 0
bit Symbol
T[10] T[9] T[8] T[7]
CREATE
FRAME_STS1 FRAME_STS0
Read/Write
R R R R R R R
FRAME_H
(07E2H)
Reset
State
0 0 0 0 0 1 0
T[10:7] (H register: Bit7 to bit4)
T[6:0] (L register: Bit6 to bit0)
These bits are renewed when SOF-token is received.
They also shows the frame-number.
CREATE (H register: Bit2)
0:
DISABLE
1:
ENABLE
These bits show whether the function that generates
SOF automatically from the UDC is enabled or not. This
is used in case of error in receiving SOF token.
This function is set by accessing COMMAND register.
On reset, this bit is initialized to “0”.
FRAME STS[1:0]
(H register: Bit1 and bit0)
0:
BEFORE
1:
VALID
2:
LOST
These bits show the status whether a frame number
that is shown in the FRAME register is correct or not. At
the LOST status, a correct frame number is undefined.
If this register is “VALID”, the number that is shown to
the FRAME register is correct.
If this register is “BEFORE”, during SOF auto
generation, BEFORE condition shows it from USB host
controller inside that from SOF generation time to
reception of SOF token. Correct frame-number value is
the value that is selected from FRAME register value.
3.16.3.16 ADDRESS Register
This register shows the device address which is specified by the host in bus
enumeration.
By reading this register, the present address can be confirmed.
7 6 5 4 3 2 1 0
bit Symbol
A6
A5
A4
A3
A2
A1
A0
Read/Write
R
R
R
R
R
R
R
ADDRESS
(07E3H)
Reset State
0
0
0
0
0
0
0
ADDRESS [6:0] (Bit6 to bit0)
The UDC compares this registers and address in all packet
ID, and UDC judges whether it is an effective transaction or
not.
This is initialized to “00H” by USB reset.
Содержание TLCS-900/H1 Series
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