USB97C201-MN SMSC [SMSC Corporation], USB97C201-MN Datasheet - Page 32

• Manufacturer Part Number: USB97C201-MN
• Description: USB 2.0 ATA/ ATAPI Controller
• Manufacturer: SMSC [SMSC Corporation]

SMSC DS – USB97C201
[7:4]
{3:0}
BIT
[7:4]
[7:4]
BIT
BIT
BIT
3
2
1
0
7
6
5
4
3
2
1
0
3
2
(0xAD - RESET=0x00)
(0xAF - RESET=0x00)
(0xB1 - RESET=0x00)
(0xB2 - RESET=0x00)
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
CONFIG
ENABLE
ENABLE
EP0RX_CTL
EP1RX_CTL
NAME
EP0TX_CTL
USB_CONF
STALL
STALL
STALL
NAME
DTOG
NAME
NAME
DTOG
TX
Table 32 – Endpoint 0 Transmit Control Register
Table 31 – Endpoint 0 Receive Control Register
Table 33 – Endpoint 1 Receive Control Register
Table 30 – USB Configuration Number Register
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
PRELIMINARY
This bit always reads “0”.
This bit reflects the data toggle state of the last received
data token.
When set to a “1”, EP0 will respond with the STALL
handshake to OUT tokens EXCEPT a SETUP, which it will
ACK unconditionally. Either the internal SIE or the user may
set this bit. Receipt of a SETUP packet or USB RESET
clears this bit. Writing a “0” to this bit has no effect.
This bit always reads “0”.
Reads 1 if EP0 Receive is enabled by SIE.
This bit always reads “0”.
This bit always reads “0”.
This bit always reads “0”.
When written with a “1”, allows the SIE to transfer data from
the buffer SRAM to EP0. OUT tokens will be NAK’d until the
transfer has been completed. It is cleared by the SIE when
transmission of the packet has been completed.
This bit always reads “0”.
When set to a “1”, EP0 TX will respond with the STALL
handshake to IN tokens. . Either the internal SIE or the user
may set this bit. Receipt of a SETUP packet or USB RESET
clears this bit. Writing a “0” to this bit has no effect.
This bit always reads “0”.
Reads “1” if EP0 Transmit is enabled by the SIE.
This bit always reads “0”.
This bit reflects the data toggle state of the last received
data token.
When set to a “1”, EP1 RX will respond with the STALL
handshake to OUT tokens. . Either the internal SIE or the
user may set this bit. Receipt of a “CLEAR FEATURE
ENDPOINT CLEAR” command for this endpoint or USB
Always returns a “0”.
Reflects
USB97C201 system as set by the host.
ENDPOINT 0 TRANSMIT CONTROL REGISTER
Page 32
ENDPOINT 0 RECEIVE CONTROL REGISTER
ENDPOINT 1 RECEIVE CONTROL REGISTER
USB CONFIGURATION NUMBER REGISTER
the
current
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
configuration
number
of
Rev. 03/25/2002
the