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M68HC08 Datasheet(PDF) 164 Page - Freescale Semiconductor, Inc

Part # M68HC08
Description  MC68HC908JB16 Technical Data
PDF  332 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

M68HC08 Datasheet(HTML) 164 Page - Freescale Semiconductor, Inc

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Universal Serial Bus Module (USB)
Technical Data
MC68HC908JB16 — Rev. 1.1
164
Universal Serial Bus Module (USB)
Freescale Semiconductor
11.4 Pin Name Conventions
The USB share two I/O pins with two port E I/O pins. The full name of the
USB I/O pin is listed in Table 11-1
. The generic pin name appear in the
text that follows.
Table 11-1. USB Module Pin Name Conventions
USB Generic Pin Names:
D+
D–
Full USB Pin Names:
PTE3/D+
PTE4/D–
Addr.
Register Name
Bit 7
654321
Bit 0
$0018
USB Interrupt Register 2
(UIR2)
Read:
00000000
Write: EOPFR
RSTFR
TXD2FR RXD2FR TXD1FR RESUMFR TXD0FR RXD0FR
Reset:
00000000
$0019
USB Control Register 2
(UCR2)
Read:
T2SEQ
STALL2
TX2E
RX2E
TP2SIZ3 TP2SIZ2 TP2SIZ1 TP2SIZ0
Write:
Reset:
00000000
$001A
USB Control Register 3
(UCR3)
Read: TX1ST
0
OSTALL0 ISTALL0
0
PULLEN ENABLE2 ENABLE1
Write:
TX1STR
Reset:
00000
0*
00
* PULLEN bit is reset by POR or LVI reset only.
$001B
USB Control Register 4
(UCR4)
Read:
00000
FUSBO
FDP
FDM
Write:
Reset:
00000000
$0020
USB Endpoint 0 Data
Register 0
(UE0D0)
Read: UE0R07
UE0R06
UE0R05
UE0R04
UE0R03
UE0R02
UE0R01
UE0R00
Write: UE0T07
UE0T06
UE0T05
UE0T04
UE0T03
UE0T02
UE0T01
UE0T00
Reset:
Unaffected by reset
$0021
USB Endpoint 0 Data
Register 1
(UE0D1)
Read: UE0R17
UE0R16
UE0R15
UE0R14
UE0R13
UE0R12
UE0R11
UE0R10
Write: UE0T17
UE0T16
UE0T15
UE0T14
UE0T13
UE0T12
UE0T11
UE0T10
Reset:
Unaffected by reset
= Unimplemented
U = Unaffected by reset
Figure 11-1. USB I/O Register Summary (Sheet 1 of 4)



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