MC908JB16DWE Datasheet, PDF (164/332 Pages) Freescale Semiconductor, Inc – Microcontrollers

Universal Serial Bus Module (USB)
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:
Full USB Pin Names:
D+
PTE3/D+
D–
PTE4/D–
Addr.
Register Name
Bit 7
$0018
Read:
USB Interrupt Register 2
(UIR2)
Write:
Reset:
0
EOPFR
0
$0019
Read:
USB Control Register 2
(UCR2)
Write:
Reset:
T2SEQ
0
$001A
Read:
USB Control Register 3
(UCR3)
Write:
Reset:
TX1ST
0
* PULLEN bit is reset by POR or LVI reset only.
Read: 0
$001B
USB Control Register 4
(UCR4)
Write:
Reset: 0
$0020
USB Endpoint 0 Data ^{Read: UE0R07}
Register 0 Write: UE0T07
(UE0D0) _Reset:
$0021
USB Endpoint 0 Data ^{Read: UE0R17}
Register 1 Write: UE0T17
(UE0D1) _Reset:
6
0
RSTFR
0
5
0
TXD2FR
0
STALL2 TX2E
0
0
0
OSTALL0
TX1STR
0
0
0
0
0
UE0R06
UE0T06
0
UE0R05
UE0T05
UE0R16 UE0R15
UE0T16 UE0T15
= Unimplemented
4
0
RXD2FR
0
3
0
TXD1FR
0
2
0
RESUMFR
0
1
0
TXD0FR
0
Bit 0
0
RXD0FR
0
RX2E TP2SIZ3 TP2SIZ2 TP2SIZ1 TP2SIZ0
0
0
0
0
0
0
ISTALL0
PULLEN ENABLE2 ENABLE1
0
0
0*
0
0
0
0
FUSBO FDP
FDM
0
0
0
0
UE0R04 UE0R03 UE0R02 UE0R01
UE0T04 UE0T03 UE0T02 UE0T01
Unaffected by reset
UE0R14 UE0R13 UE0R12 UE0R11
UE0T14 UE0T13 UE0T12 UE0T11
Unaffected by reset
U = Unaffected by reset
0
UE0R00
UE0T00
UE0R10
UE0T10
Figure 11-1. USB I/O Register Summary (Sheet 1 of 4)
Technical Data
164
Universal Serial Bus Module (USB)
MC68HC908JB16 — Rev. 1.1
Freescale Semiconductor