XC68HC08KH12 Motorola, XC68HC08KH12 Datasheet - Page 132

• Manufacturer Part Number: XC68HC08KH12
• Description: MICROCONTROLLER
• Manufacturer: Motorola

Universal Serial Bus Module (USB)
9.4.9 USB HUB Status Register (HSR)
Advance Information
132
Address:
PCHG5-PCHG0 — HUB and Port Status Change Bits
Reset:
Read:
Write:
These read/write bits report the status change for the Hub, embedded
device and the four downstream ports. The Status Change Bitmap is
returned to the host through the HUB endpoint 1 if the bit PNEW is 1.
These bits are cleared by reset.
Bit Name
PCHG0
PCHG1
PCHG2
PCHG3
PCHG4
PCHG5
$005D
RSEQ
Bit 7
Universal Serial Bus Module (USB)
X
Figure 9-10. USB HUB Status Register (HSR)
Port 1 status change
Port 2 status change
Port 3 status change
Port 4 status change
HUB status change
SETUP
Embedded device
= Unimplemented
status change
6
X
Function
TX1ST
5
0
TX1STR
4
0
0
Value
0
1
0
1
0
1
0
1
0
1
0
1
X = Indeterminate
RPSIZ3
3
X
No status change in HUB
HUB status change detected
No status change in Port 1
Port 1 status change detected
No status change in Port 2
Port 2 status change detected
No status change in Port 3
Port 3 status change detected
No status change in Port 4
Port 4 status change detected
No status change in
embedded device
Embedded device status
change detected
MC68HC(7)08KH12
RPSIZ2
2
X
Description
RPSIZ1
X
1
MOTOROLA
—
RPSIZ0
Rev. 1.0
Bit 0
X