MC68HC908LD64 Datasheet, PDF (190/362 Pages) Freescale Semiconductor, Inc – Microcontrollers

Universal Serial Bus Module (USB)
USB
Generic Pin Names:
D0+
D0–
D1+
D1–
D2+
D2–
D3+
D3–
D4+
D4–
Table 14-1. USB I/O Pins
Full MCU Pin Names:
DPLUS0
DMINUS0
PTE0/DPLUS1
PTE1/DMINUS1
PTE2/DPLUS2
PTE3/DMINUS2
PTE4/DPLUS3
PTE5/DMINUS3
PTE6/DPLUS4
PTE7/DMINUS4
Pin Selected for
USB Function By:
—
USBDS1E bit in PECR ($0068)
USBDS2E bit in PECR ($0068)
USBDS3E bit in PECR ($0068)
USBDS4E bit in PECR ($0068)
Addr.
$0020
to
$0027
$0028
to
$002F
$0030
to
$0037
$0047
$0048
Register Name
Bit 7
6
USB Embedded Device Read: DE0Rx7
Endpoint 0 Data _{Write: DE0Tx7}
Register 0 to 7
(DE0D0 to DE0D7) Reset:
DE0Rx6
DE0Tx6
USB Embedded Device Read:
Endpoint 1/2 Data _{Write: DE1Tx7}
Register 0 to 7
(DE1D0 to DE1D7) ^Reset:
DE1Tx6
USB Hub Endpoint 0 ^{Read: HE0Rx7}
Data Register 0 to 7 Write: HE0Tx7
(HE0D0 to HE0D7) _Reset:
HE0Rx6
HE0Tx6
USB Embedded Device ^{Read: 0}
0
Control Register 2 Write:
(DCR2) _{Reset: 0}
0
USB Embedded Device ^Read: _DEVEN
Address Register Write:
(DADDR) _{Reset: 0}
DADD6
0
X = Indeterminate
5
4
3
2
DE0Rx5 DE0Rx4 DE0Rx3 DE0Rx2
DE0Tx5 DE0Tx4 DE0Tx3 DE0Tx2
Indeterminate after reset
1
DE0Rx1
DE0Tx1
Bit 0
DE0Rx0
DE0Tx0
DE1Tx5 DE1Tx4 DE1Tx3 DE1Tx2 DE1Tx1 DE1Tx0
Indeterminate after reset
HE0Rx5 HE0Rx4 HE0Rx3 HE0Rx2 HE0Rx1 HE0Rx0
HE0Tx5 HE0Tx4 HE0Tx3 HE0Tx2 HE0Tx1 HE0Tx0
Indeterminate after reset
0
0
ENABLE2 ENABLE1 DSTALL2 DSTALL1
0
0
0
0
0
0
DADD5 DADD4 DADD3 DADD2 DADD1 DADD0
0
0
0
0
0
0
= Unimplemented
Figure 14-1. USB I/O Register Summary
Data Sheet
190
Universal Serial Bus Module (USB)
MC68HC908LD64 — Rev. 3.0
Freescale Semiconductor