Configuration Of Remote Wakeup Control - NEC switch User Manual

Notes 1. Be sure to follow the exact instruction sequence when the Resume signal ("K" state) is output.
SET1 REMWUP.3
CLR1 REMWUP.2
A, #00000111B ; (A ← 00000111B)
MOV
SET1 REMWUP.1
SET1 REMWUP.0
MOV REMWUP, A
2. Be sure to follow the exact instruction sequence to append EOP when terminating Resume output.
CLR1 REMWUP.0
CLR1 REMWUP.1
CLR1 REMWUP.2
SET1 REMWUP.3
<Analog part>
D+ pin (USBDP)
D- pin (USBDM)
Note Because this signal is used internally, confirmation by software is not possible.
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CHAPTER 8
; (PULLDM ← 1)
; (PULLDP ← 0)
; (PULLEN ← 1)
; (WAKEUP ← 1),
; (REMWUP ← A), "K" state output
; (WAKEUP ← 0)
; (PULLEN ← 0)
; (PULLDP ← 0)
; (PULLDM ← 1)
Figure 8-22. Configuration of Remote Wakeup Control
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User's Manual U12978EJ3V0UD
USB FUNCTION
"J" state generation
"J" state output
, Resume output end
"J" state generation
<Function part>
Note
Note
TXEN
WAKEUP (REMWUP.0)
Transmit data (+ side)
PULLDP (REMWUP.2)
Transmit data (- side)
PULLDM (REMWUP.3)
PULLEN (REMWUP.1)
SEP, SEM disable signal