NEC switch - Page 46

CHAPTER 3 CPU ARCHITECTURE
User’s Manual U12978EJ3V0UD
46
Table 3-2. Special Function Register List (2/3)
Address Special Function Register (SFR) Name Symbol R/W Manipulatable Bit Unit After Reset
1 Bit 8 Bits 16 Bits
FF62H Token packet receive result store register TRXRSL R/W √√— 00H
FF63H Data/handshake PID compare register DIDCMP W — √ — C3H
FF64H Data/handshake packet receive byte
number counter
DRXCON — √ — 18H
FF65H Data/handshake packet receive result store
register
DRXRSL R/W √√— 00H
FF66H Data/handshake packet receive mode
register
URXMOD √√—
FF67H Packet receive status register RXSTAT — √ —
FF68H Data packet transmit byte number counter 0 DTXCO0 W — √ — 20H
FF69H Data packet transmit byte number counter 1 DTXCO1 — √ — 30H
FF6AH Remote wakeup control register REMWUP R/W √√— 08H
FF6BH Transmit/receive pointer USBPOW R — √ — 00H
FF6CH USB timer start reservation control register USBTCL R/W √√— 01H
FF6DH USB receiver enable register USBMOD √√— 00H
FF72H Serial operation mode register 10 CSIM10 √√—
FFA1H Transmit data PID bank 0 USBTD0 W — √ — Undefined
FFA2H Transmit data bank 0 address 00 USBT00 — √ —
FFA3H Transmit data bank 0 address 01 USBT01 — √ —
FFA4H Transmit data bank 0 address 02 USBT02 — √ —
FFA5H Transmit data bank 0 address 03 USBT03 — √ —
FFA6H Transmit data bank 0 address 04 USBT04 — √ —
FFA7H Transmit data bank 0 address 05 USBT05 — √ —
FFA8H Transmit data bank 0 address 06 USBT06 — √ —
FFA9H Transmit data bank 0 address 07 USBT07 — √ —
FFABH Transmit data PID bank 1 USBTD1 — √ —
FFACH Transmit data bank 1 address 10 USBT10 — √ —
FFADH Transmit data bank 1 address 11 USBT11 — √ —
FFAEH Transmit data bank 1 address 12 USBT12 — √ —
FFAFH Transmit data bank 1 address 13 USBT13 — √ —
FFB0H Transmit data bank 1 address 14 USBT14 — √ —
FFB1H Transmit data bank 1 address 15 USBT15 — √ —
FFB2H Transmit data bank 1 address 16 USBT16 — √ —
FFB3H Transmit data bank 1 address 17 USBT17 — √ —
FFB5H Receive token PID USBRTP R — √ — 00H
FFB6H Receive token address L USBRAL — √ —
FFB7H Receive token address H USBRAH — √ —
FFE0H Interrupt request flag register 0 IF0 R/W √√—
FFE1H Interrupt request flag register 1 IF1 √√—
FFE4H Interrupt mask flag register 0 MK0 √√— FFH
FFE5H Interrupt mask flag register 1 MK1 √√—