Freescale Semiconductor MPC5200B User Manual page 426

Freescale semiconductor board users guide
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msb 0
1
R
W
RESET:
0
0
16
17
R
W
RESET:
0
0
Bits
Name
0:10
11
PRSC
12
OCIC
13
PSSC
14
PESC
Freescale Semiconductor
Table 12-22. USB HC Rh Port1 Status Register
2
3
4
5
6
Reserved
0
0
0
0
0
18
19
20
21
22
Reserved
LSDA
0
0
0
0
0
Reserved
PortResetStatusChange—bit is set at the end of the 10ms port reset signal.
Writing 1 causes HC to clear this bit.
Writing 0 has no effect.
0 = Port reset not complete
1 = Port reset complete
PortOverCurrentIndicatorChange—bit is valid only if overcurrent conditions are reported on a
per-port basis. This bit is set when Root Hub changes the PortOverCurrentIndicator bit.
Writing 1 causes HC to clear this bit.
Writing 0 has no effect.
0 = No change in POCI
1 = POCI has changed
PortSuspendStatusChange—bit is set when the full resume sequence completes. Sequence
includes a 20s resume pulse, LS EOP, and 3ms resychronization delay.
Writing 1 causes HC to clear this bit.
Writing 0 has no effect.
This bit is also cleared when ResetStatusChange is set.
0 = Resume not complete
1 = Resume complete
PortEnableStatusChange—bit is set when hardware events cause the PES bit to be cleared.
Changes from HCD writes do not set this bit.
Writing 1 causes HC to clear this bit.
Writing 0 has no effect.
0 = No change in PES
1 = Change in PES
MPC5200B Users Guide, Rev. 1
Host Control (HC) Operational Registers
7
8
9
10
11
PRSC
0
0
0
0
0
23
24
25
26
27
PPS
Reserved
PRS
1
0
0
0
0
Description
12
13
14
15
OCIC PSSC PESC
CSC
0
0
0
0
28
29
30
31 lsb
POCI
PSS
PES
CCS
0
0
0
0
12-23

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