NEC uPD98502 6.2 Registers

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

NEC uPD98502 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

Remarks 1. In the “R/W” field,

“W” means “writeable”,

“R” means “readable”,

“RC” means “read-cleared”,

“- “ means “not accessible”.