Datasheet

2−17
2.6.5 HUBCNFG: Hub Configuration Register
76 5 43210
OCP I/G P3.1 P3.0 P2A P2E P1A P1E
R/W R/W R/W R/W R/W R/W R/W R/W
BIT NAME RESET FUNCTION
0 P1E 0
Hub port-1 enable/disable control bit
0
P1E
0
P1E = 0 Port 1 is disabled.
P1E = 1 Port 1 is enabled.
1 P1A 0
Hub port−1; permanent attachment control bit.
1
P1A
0
P1A = 0 Port 1 is connected to a removable function.
P1A = 1 Port 1 is connected to a permanent attachment function.
2 P2E 0
Hub port-2 enable/disable control bit
2
P2E
0
P2E = 0 Port 2 is disabled.
P2E = 1 Port-2 is enabled.
3 P2A 0
Hub port-2 permanent-attachment control bit
3
P2A
0
P2A = 0 Port 2 is connected to a removable function.
P2A = 1 Port 2 is connected to a permanent-attachment function.
5−4 P3[1:0] 00 Hub port-3 embedded-function control field
00b = Port 3 is disabled (doesn’t exist).
01b = Port 3 is permanently attached.
10b = Port 3 is connected to a removable function, but is not attached.
11b = Port 3 is connected to a removable function, and is attached.
6 I/G 0
Individual/gang power control bit
6
I/G
0
I/G = 0 Overcurrent and power control are controlled individually.
I/G = 1 Overcurrent and power control are gang controlled.
7 OCP 0
Overcurrent protection control bit
7
OCP
0
OCP = 0 Overcurrent protection is disabled.
OCP = 1 Overcurrent protection is enabled.
2.6.6 HUBPOTG: Hub Power-On to Power-Good Descriptor Register
76 5 43210
D7 D6 D5 D4 D3 D2 D1 D0
R/W R/W R/W R/W R/W R/W R/W R/W
BIT NAME RESET FUNCTION
7−0 D[7:0] 00h Offset-5 in hub descriptor table
2.6.7 HUBCURT: Hub Current Descriptor Register
76 5 43210
D7 D6 D5 D4 D3 D2 D1 D0
R/W R/W R/W R/W R/W R/W R/W R/W
BIT NAME RESET FUNCTION
7−0 D[7:0] 00h Offset-6 in hub descriptor table