mc68hc908ld64 Freescale Semiconductor, Inc, mc68hc908ld64 Datasheet - Page 217

• Manufacturer Part Number: mc68hc908ld64
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

14.7.7 USB Embedded Device Status Register (DSR)
MC68HC908LD64
Freescale Semiconductor
—
Rev. 3.0
Address:
DSTALL2 — Embedded Device Endpoint 2 Force Stall Bit
DSTALL1 — Embedded Device Endpoint 1 Force Stall Bit
DRSEQ — Embedded Device Endpoint 0 Receive Sequence Bit
DSETUP — Embedded Device SETUP Token Detect Bit
Reset:
Read: DRSEQ
Write:
This read/write bit causes embedded device endpoint 2 to return a
STALL handshake when polled by either an IN or OUT token by the
USB host controller. Reset clears this bit.
This read/write bit causes embedded device endpoint 1 to return a
STALL handshake when polled by either an IN or OUT token by the
USB host controller. Reset clears this bit.
This read-only bit indicates the type of data packet last received for
embedded device endpoint 0 (DATA0 or DATA1).
This read-only bit indicates that a valid SETUP token has been
received.
Figure 14-19. USB Embedded Device Status Register (DSR)
1 = Send STALL handshake
0 = Default
1 = Send STALL handshake
0 = Default
1 = DATA1 token received in last embedded device endpoint 0
0 = DATA0 token received in last embedded device endpoint 0
1 = Last token received for endpoint 0 was a SETUP token
0 = Last token received for endpoint 0 was not a SETUP token
$004D
Bit 7
Universal Serial Bus Module (USB)
receive
receive
0
DSETUP
= Unimplemented
6
0
DTX1ST
5
0
DTX1STR
4
0
0
Embedded Device Function I/O Registers
RP0SIZ3 RP0SIZ2 RP0SIZ1 RP0SIZ0
Universal Serial Bus Module (USB)
3
0
2
0
1
0
Data Sheet
Bit 0
0
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