參數(shù)資料
型號(hào)： CY7C64013
廠商： Cypress Semiconductor Corp.
英文描述： Full-Speed USB (12 Mbps) Function(全速 USB (12 Mbps)性能)
中文描述： 全速USB（12 Mbps）的功能（全速的USB（12 Mbps）的性能）
文件頁(yè)數(shù)： 36/46頁(yè)
文件大小： 381K
代理商： CY7C64013
CY7C64013
CY7C64113
PRELIMINARY
36
19.0
USB Mode Tables
Note:
3.
The
‘
In
’
column represents the SIE
’
s response to the token type.
A disabled endpoint remains disabled until it is changed by firmware, and all endpoints reset to the disabled state.
Any SETUP packet to an enabled endpoint with mode set to accept SETUPs is changed by the SIE to 0001 (NAKing). Any mode
set to accept a SETUP, ACKs a valid SETUP transaction.
Most modes that control transactions involving an ending ACK, are changed by the SIE to a corresponding mode which NAKs
subsequent packets following the ACK. Exceptions are modes 1010 and 1110.
A Control endpoint has three extra status bits for PID (Setup, In and Out), but must be placed in the correct mode to function as
such. Non-Control endpoints should not be placed into modes that accept SETUPs.
A
‘
check
’
on an Out token during a Status transaction checks to see that the Out is of zero length and has a Data Toggle (DTOG)
of
‘
1
’
. If the DTOG bit is set and the received Out Packet has zero length, the Out is ACKed to complete the transaction. Otherwise,
the Out is STALLed.
STALL bit is bit 7 of the USB Non-Control Device Endpoint Mode registers. For more information, refer to Section 18.4.
Table 19-1. USB Register Mode Encoding
Mode
Disable
Nak In/Out
Encoding
0000
Setup
ignore
accept
In
Out
ignore
NAK
Comments
Ignore all USB traffic to this endpoint
Forced from Set-up on Control endpoint, from modes other
than 0000
For Control endpoints
For Control endpoints
For Control endpoints
For Isochronous endpoints
For Control Endpoints
For Isochronous endpoints
An ACK from mode 1001 --> 1000
This mode is changed by SIE on issuance of ACK --> 1000
ignore
NAK
0001
Status Out Only
Stall In/Out
Ignore In/Out
Isochronous Out
Status In Only
Isochronous In
Nak Out
Ack Out
(STALL
[3]
=0)
Ack Out
(STALL
[3]
=1)
Nak Out - Status In
Ack Out - Status In
Nak In
Ack IN
(STALL
[3]
=0)
Ack IN(
STALL
[3]
=1)
Nak In - Status Out
Ack In - Status Out
0010
0011
0100
0101
0110
0111
1000
accept
accept
accept
ignore
accept
ignore
ignore
ignore
ignore
accept
accept
ignore
ignore
ignore
accept
accept
stall
stall
ignore
ignore
TX 0
TX cnt
ignore
ignore
ignore
TX 0
TX 0
NAK
TX cnt
stall
NAK
TX cnt
check
stall
ignore
always
stall
ignore
NAK
ACK
stall
NAK
ACK
ignore
ignore
ignore
check
check
1001
1001
1010
1011
1100
An ACK from mode 1011 --> 1010
This mode is changed by SIE on issuance of ACK --> 1010
An ACK from mode 1101 --> 1100
This mode is changed by SIE on issuance of ACK --> 1100
1101
1101
1110
1111
An ACK from mode 1111 --> 111 Ack In - Status Out
This mode is changed by SIE on issuance of ACK -->1110
相關(guān)PDF資料
PDF描述
CY7C64113 Full-Speed USB (12 Mbps) Function(全速 USB (12 Mbps)性能)
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