9.3.14.2 LPM_ATTR_REG Bit Definitions

Table 9-116. LPM_ATTR_REG (0x40043360)
Bit Number Name Reset Value Function
[15:12] EndPnt 0 This is the endpoint that is in the token packet of the LPM transaction.
[11:9] Reserved NA
8 RmtWak 0 This bit is the remote wake-up enable bit.

0: Remote wake-up is not enabled.
1: Remote wake-up is enabled

This bit is applied on a temporary basis and is applied only to the current suspend state. After the current suspend cycle, the remote wake-up capability that was negotiated upon enumeration applies.

[7:4] HIRD 0 This is the host initiated resume duration. This value is the minimum time the host drives resume on the bus. The value in this register corresponds to an actual resume time as follows:

Resume Time = 50 µs + HIRD × 75 µs.

This results a range 50 µs to 1200 µs.

[3:0] LinkState 0 This value is provided by the host to the peripheral to indicate what state the peripheral must transition to after the receipt and acceptance of a LPM transaction.

0000: Reserved
0001: Sleep state (L1)
0010: Reserved
0011: Reserved