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M68HC08 Datasheet(PDF) 165 Page - Freescale Semiconductor, Inc

Part # M68HC08
Description  Microcontrollers
PDF  288 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

M68HC08 Datasheet(HTML) 165 Page - Freescale Semiconductor, Inc

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Universal Serial Bus Module (USB)
MC68HC908BD48 — Rev. 2.1
Data Sheet
Freescale Semiconductor
Universal Serial Bus Module (USB)
165
13.5 Registers
There are seven control/status registers and 24 data buffers in the USB
module. These registers are discussed in the following paragraphs.
Table 13-2. USB I/O Register Summary
Addr.
Register Name
Bit 7
654321
Bit 0
$0029
USB Address Register
(UADR)
Read:
USBEN
UADD6
UADD5
UADD4
UADD3
UADD2
UADD1
UADD0
Write:
Reset:
00000000
$002A
USB Interrupt Register
(UINTR)
Read:
TBEF
RBFF
EOPIF
RSTIF
TBIE
RBIE
EOPIE
RSTIE
Write:
Reset:
00000000
$002B
USB Control Register 0
(UCR0)
Read:
T0SEQ
STALL0
TX0E
RX0E
TP0SIZ3 TP0SIZ2 TP0SIZ1 TP0SIZ0
Write:
Reset:
00000000
$002C
USB Status Register
(USR)
Read:
RSEQ
SETUP
TX1ST
0
RPSIZ3
RPSIZ2
RPSIZ1
RPSIZ0
Write:
Reset:
Indeterminate after reset
$002D
USB Control Register 2
(UCR2)
Read:
0
0
PULLEN SUSPND ENABLE2 ENABLE1 STALL2
STALL1
Write:
Reset:
00000000
$002E
USB Interrupt Register 1
(UIR1)
Read: TXD1F
TXD1IE
RESUMF
00000
Write:
RESUMFR
TBEFR
RBFFR
TXD1FR
EOPFR
Reset:
00000000
$002F
USB Control Register 1
(UCR1)
Read:
T1SEQ
ENDADD
TX1E
FRESUM TP1SIZ3 TP1SIZ2 TP1SIZ1 TP1SIZ0
Write:
Reset:
00000000
$0030
to
$0037
USB Endpoint 0 Data
Register 0–7
(UD0R0–UD0R7)
Read: UE0RDx7 UE0RDx6 UE0RDx5 UE0RDx4 UE0RDx3 UE0RDx2 UE0RDx1 UE0RDx0
Write: UE0TDx7 UE0TDx6 UE0TDx5 UE0TDx4 UE0TDx3 UE0TDx2 UE0TDx1 UE0TDx0
Reset:
Indeterminate after reset
$0038
to
$003F
USB Endpoint 1/2 Data
Register 0–7
(UD1R0–UD1R7)
Read:
Write: UE1TDx7 UE1TDx6 UE1TDx5 UE1TDx4 UE1TDx3 UE1TDx2 UE1TDx1 UE1TDx0
Reset:
Indeterminate after reset



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