Datasheet

Memory Map
Technical Data MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
48 Memory Map Freescale Semiconductor
$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
$003F Unimplemented
Read:
Write:
$FE00
Break Status Register
(BSR)
Read:
RRRRRR
SBSW
R
Write: See note
Reset: 0
Note: Writing a logic 0 clears SBSW.
$FE01
Reset Status Register
(RSR)
Read: POR PIN COP ILOP ILAD USB LVI 0
Write:
POR:10000000
$FE02 Reserved
Read:
RRRRRRRR
Write:
$FE03
Break Flag Control
Register
(BFCR)
Read:
BCFERRRRRRR
Write:
Reset: 0
$FE04
Interrupt Status Register 1
(INT1)
Read: IF6 IF5 IF4 IF3 IF2 IF1 0 0
Write:RRRRRRRR
Reset:00000000
$FE05 Reserved
Read:
RRRRRRRR
Write:
Addr.Register Name Bit 7654321Bit 0
= Unimplemented R = Reserved U = Unaffected by reset
Figure 2-2. Control, Status, and Data Registers (Sheet 7 of 8)