NEC switch - Manual (Page 189)

CHAPTER 13 RESET FUNCTION
User’s Manual U12978EJ3V0UD
189
Table 13-1. Hardware Status After Reset (2/2)
Hardware Status After Reset
USB function Data packet transmit byte number counter 0 (DTXCO0) 20H
Data packet transmit byte number counter 1 (DTXCO1) 30H
Token PID compare register (TIDCMP) 00H
Token address compare register (ADRCMP) 00H
USB receiver enable register (USBMOD) 00H
Packet receive status register (RXSTAT) 00H
Data/handshake packet receive result store register
(DRXRSL)
00H
Token packet receive result store register (TRXRSL) 00H
Data/handshake PID compare register (DIDCMP) C3H
Data packet transmit reservation register (DTXRSV) 00H
Handshake packet transmit reservation register
(HTXRSV)
00H
USB timer start reservation control register (USBTCL) 01H
Remote wakeup control register (REMWUP) 08H
Serial interface Mode register (CSIM10) 00H
Transmit/receive shift register (SIO10) Undefined
Interrupt Request flag register (IF0, IF1) 00H
Mask flag register (MK0, MK1) FFH
External interrupt mode register (INTM0) 00H
Key return mode register (KRM00) 00H