2 registers, 1 register map – NEC Network Controller uPD98502 User Manual
Page 311
CHAPTER 6 USB CONTROLLER
Preliminary User’s Manual S15543EJ1V0UM
311
6.2 Registers
This section explains the mapping of those registers that can be accessed from IBUS. USB base address is
1000_1000H
6.2.1 Register map
Offset Address
Register Name
R/W
Access
Description
1000_1000H
U_GMR
R/W
W/H/B
USB General Mode Register
1000_1004H
U_VER
R
W/H/B
USB Frame Number/Version Register
1000_1008H:
1000_100CH
N/A
-
-
Reserved for future use
1000_1010H
U_GSR1
RC
W
USB General Status Register 1
1000_1014H
U_IMR1
R/W
W/H/B
USB Interrupt Mask Register 1
1000_1018H
U_GSR2
RC
W
USB General Status Resister 2
1000_101CH
U_IMR2
R/W
W/H/B
USB Interrupt Mask Register 2
1000_1020H
U_EP0CR
R/W
W/H/B
USB EP0 Control Register
1000_1024H
U_EP1CR
R/W
W/H/B
USB EP1 Control Register
1000_1028H
U_EP2CR
R/W
W/H/B
USB EP2 Control Register
1000_102CH
U_EP3CR
R/W
W/H/B
USB EP3 Control Register
1000_1030H
U_EP4CR
R/W
W/H/B
USB EP4 Control Register
1000_1034H
U_EP5CR
R/W
W/H/B
USB EP5 Control Register
1000_1038H
U_EP6CR
R/W
W/H/B
USB EP6 Control Register
1000_103CH
N/A
-
-
Reserved for future use
1000_1040H
U_CMR
R/W
W
USB Command Register
1000_1044H
U_CA
R/W
W/H/B
USB Command Address Register
1000_1048H
U_TEPSR
R
W/H/B
USB Tx EndPoint Status Register
1000_104CH
N/A
-
-
Reserved for future use
1000_1050H
U_RP0IR
R/W
W/H/B
USB Rx Pool0 Information Register
1000_1054H
U_RP0AR
R
W/H/B
USB Rx Pool0 Address Register
1000_1058H
U_RP1IR
R/W
W/H/B
USB Rx Pool1 Information Register
1000_105CH
U_RP1AR
R
W/H/B
USB Rx Pool1 Address Register
1000_1060H
U_RP2IR
R/W
W/H/B
USB Rx Pool2 Information Register
1000_1064H
U_RP2AR
R
W/H/B
USB Rx Pool2 Address Register
1000_1068H:
1000_106CH
N/A
-
-
Reserved for future use
1000_1070H
U_TMSA
R/W
W/H/B
USB Tx MailBox Start Address Register
1000_1074H
U_TMBA
R/W
W/H/B
USB Tx MailBox Bottom Address Register
1000_1078H
U_TMRA
R/W
W/H/B
USB Tx MailBox Read Address Register
1000_107CH
U_TMWA
R
W/H/B
USB Tx MailBox Write Address Register
1000_1080H
U_RMSA
R/W
W/H/B
USB Rx MailBox Start Address Register
1000_1084H
U_RMBA
R/W
W/H/B
USB Rx MailBox Bottom Address Register
1000_1088H
U_RMRA
R/W
W/H/B
USB Rx MailBox Read Address Register
1000_108CH
U_RMWA
R
W/H/B
USB Rx MailBox Write Address Register
1000_1090H:
1000_1FFCH
N/A
-
-
Reserved for future use
Remarks 1. In the “R/W” field,
“W” means “writeable”,
“R” means “readable”,
“RC” means “read-cleared”,
“- “ means “not accessible”.