Datasheet

Universal Serial Bus Module (USB)
Pin Name Conventions
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3 Technical Data
Freescale Semiconductor Universal Serial Bus Module (USB) 123
$0036
USB Endpoint 2 Data
Register 6
(UE2D6)
Read: UE2R67 UE2R66 UE2R65 UE2R64 UE2R63 UE2R62 UE2R61 UE2R60
Write: UE2T67 UE2T66 UE2T65 UE2T64 UE2T63 UE2T62 UE2T61 UE2T60
Reset: Unaffected by reset
$0037
USB Endpoint 2 Data
Register 7
(UE2D7)
Read: UE2R77 UE2R76 UE2R75 UE2R74 UE2R73 UE2R72 UE2R71 UE2R70
Write: UE2T77 UE2T76 UE2T75 UE2T74 UE2T73 UE2T72 UE2T71 UE2T70
Reset: Unaffected by reset
$0038 USB Address Register
(UADDR)
Read:
USBEN UADD6 UADD5 UADD4 UADD3 UADD2 UADD1 UADD0
Write:
Reset:0*0000000
* USBEN bit is reset by POR or LVI reset only.
$0039 USB Interrupt Register 0
(UIR0)
Read:
EOPIE SUSPND TXD2IE RXD2IE TXD1IE
0
TXD0IE RXD0IE
Write:
Reset:00000000
$003A USB Interrupt Register 1
(UIR1)
Read: EOPF RSTF TXD2F RXD2F TXD1F RESUMF TXD0F RXD0F
Write:
Reset:00000000
$003B USB Control Register 0
(UCR0)
Read:
T0SEQ
0
TX0E RX0E TP0SIZ3 TP0SIZ2 TP0SIZ1 TP0SIZ0
Write:
Reset:00000000
$003C USB Control Register 1
(UCR1)
Read:
T1SEQ STALL1 TX1E FRESUM TP1SIZ3 TP1SIZ2 TP1SIZ1 TP1SIZ0
Write:
Reset:00000000
$003D USB Status Register 0
(USR0)
Read: R0SEQ SETUP 0 0 RP0SIZ3 RP0SIZ2 RP0SIZ1 RP0SIZ0
Write:
Reset: Unaffected by reset
$003E USB Status Register 1
(USR1)
Read: R2SEQ TXACK TXNAK TXSTL RP2SIZ3 RP2SIZ2 RP2SIZ1 RP2SIZ0
Write:
Reset:U0 0 0UUUU
Addr.Register Name Bit 7654321Bit 0
= Unimplemented U = Unaffected by reset
Figure 9-1. USB I/O Register Summary (Sheet 4 of 4)