Добавил:

Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.

Вуз:

Нижегородский Государственный Технический Университет им. Р.Е. Алексеева

Предмет:

[НЕСОРТИРОВАННОЕ]

Файл:

usb_2.0_english

.pdf

Скачиваний:

Добавлен:

03.05.2015

Размер:

5.98 Mб

Скачать

☆

<<< < Предыдущая 41 42 43 44 45 46 47 48 49 50 51 52 53 5455 / 6555 56 57 58 59 60 61 62 63 64 65 > Следующая >>>

Universal Serial Bus Specification Revision 2.0

Host

(data toggle) 0

uFrame M	st1	SSPLIT
	st2	IN

Hub

(SS: start sp. status CS: comp. sp. status)

SS:Free/x

Hub ignores this IN.( no match the Address field)

uFrame M+1
uFrame M+2	ct1	CSPLIT	ct1
			ct1
	ct2	IN	ct2
			ct2
	ch6	NYET	ch4
	ch6
uFrame M+3	ct1	CSPLIT
	ct1	CSPLIT	ct1
			ct1
	ct2	IN	ct2
			ct2
	ch6	NYET	ch4
	ch6
uFrame M+4	ct1	CSPLIT
	ct1	CSPLIT	ct1
			ct1
	ct2	IN	ct2
			ct2
	ce3	NYET	ch4
	ce3
	ce2->ce6
uFrame M+8		SSPLIT(retry)
	st1	SSPLIT(retry)
	st1		st1
			st1
	st2	IN	st2
			st2

SS:Pending/x

uFrame M+9

			CS:Ready/lastdata
uFrame M+10	ct1	CSPLIT	ct1
			ct1
	ct2	IN	ct2
			ct2
		DATA0	CS:Old/lastdata
	ch7	DATA0	cd1
	ch7
1

Figure A-65. Normal HS SSPLIT Smash

FS/LS device

(data toggle) 0

DATA0

ACK

513

Universal Serial Bus Specification Revision 2.0

Host			Hub
Host			(SS: start sp. status
(data toggle)			(SS: start sp. status
(data toggle)			CS: comp. sp. status)
			CS: comp. sp. status)
0			SS:Free/x
uFrame M	st1	SSPLIT	st1
			st1
	st2	IN	st2
			st2
			SS:Pending/x
uFrame M+1

				CS:Ready/lastdata
uFrame M+2	ct1	CSPLIT
	ct2	IN
				Hub ignores this
				IN.( no match
	TRANS_ERR			the Address field)
	TRANS_ERR
	ce1->ce8
	ct1	CSPLIT(retry imm.)
	ct1		ct1
			ct1
	ct2	IN	ct2
			ct2
	ch7	DATA0	cd1	CS:Old/lastdata
	ch7
1
uFrame M+3 Host does not issue 2nd CSPLIT,				CS:Free/x
	because host already receives
	DATA0 on previous microframe.
uFrame M+4 Host does not issue 3rd CSPLIT,				SS:Free/x
	because host already receives
	DATA0 on previous microframe.

uFrame M+5

Figure A-66. Normal HS CSPLIT Smash

FS/LS device

(data toggle) 0

DATA0

ACK

514

Universal Serial Bus Specification Revision 2.0

Host			Hub
Host			(SS: start sp. status
(data toggle)			(SS: start sp. status
(data toggle)			CS: comp. sp. status)
			CS: comp. sp. status)
0			SS:Free/x
uFrame M	st1	SSPLIT	st1
			st1
	st2	IN	st2
			st2
			SS:Pending/x
uFrame M+1

			CS:Ready/lastdata
uFrame M+2	ct1	CSPLIT
	ct2	IN
	TRANS_ERR
	ce1->ce8
	ct1	CSPLIT(retry imm.)
	ct2	IN
	TRANS_ERR
	ce1->ce8
	ct1	CSPLIT(retry imm.)
	ct2	IN
	TRANS_ERR
	ce1->ce7
	ENDPOINT HALT
uFrame M+3 Host does not issue 2nd CSPLIT,			CS:Free/x
	because this endpoint is already
	ENDPOINT HALT.
uFrame M+4 Host does not issue 3rd CSPLIT,			SS:Free/x
	because this endpoint is already
	ENDPOINT HALT.

uFrame M+5

FS/LS device

(data toggle) 0

DATA0

ACK

Figure A-67. Normal HS CSPLIT 3 Strikes Smash

515

Universal Serial Bus Specification Revision 2.0

Host			Hub
Host			(SS: start sp. status
(data toggle)			(SS: start sp. status
(data toggle)			CS: comp. sp. status)
			CS: comp. sp. status)
0			SS:Free/x
uFrame M	st1	SSPLIT	st1
			st1
	st2	IN	st2
			st2
			SS:Pending/x
uFrame M+1

			CS:Ready/lastdata
uFrame M+2	CSPLIT
ct1	CSPLIT	ct1
		ct1
ct2	IN	ct2
		ct2
	DATA0	cd1	CS:Old/lastdata
TRANS_ERR
ce1->ce8
ct1	CSPLIT(retry imm.)
ct1		ct1
		ct1
ct2	IN	ct2
		ct2
ch7	DATA0	cd1
ch7
1
uFrame M+3 Host does not issue 2nd CSPLIT,			CS:Free/x
because host already receives
DATA0 on previous microframe.
uFrame M+4 Host does not issue 3rd CSPLIT,			SS:Free/x
because host already receives
DATA0 on previous microframe.

uFrame M+5

Figure A-68. Normal HS DATA0/1 Smash

FS/LS device

(data toggle) 0

DATA0

ACK

516

Universal Serial Bus Specification Revision 2.0

Host			Hub
Host			(SS: start sp. status
(data toggle)			(SS: start sp. status
(data toggle)			CS: comp. sp. status)
			CS: comp. sp. status)
0			SS:Free/x
uFrame M	st1	SSPLIT	st1
			st1
	st2	IN	st2
			st2
			SS:Pending/x
uFrame M+1

			CS:Ready/lastdata
uFrame M+2	CSPLIT
ct1	CSPLIT	ct1
		ct1
ct2	IN	ct2
		ct2
	DATA0	cd1	CS:Old/lastdata
TRANS_ERR
ce1->ce8	CSPLIT(retry imm.)
ct1	CSPLIT(retry imm.)
ct1		ct1
		ct1
ct2	IN	ct2
		ct2
	DATA0	cd1
TRANS_ERR
ce1->ce8	CSPLIT(retry imm.)
ct1	CSPLIT(retry imm.)
ct1		ct1
		ct1
ct2	IN	ct2
		ct2
	DATA0	cd1
TRANS_ERR
ce1->ce7
ENDPOINT HALT
uFrame M+3 Host does not issue 2nd CSPLIT,			CS:Free/x
because this endpoint is already
ENDPOINT HALT.
uFrame M+4 Host does not issue 3rd CSPLIT,			SS:Free/x
because this endpoint is already
ENDPOINT HALT.

uFrame M+5

FS/LS device

(data toggle) 0

DATA0

ACK

Figure A-69. Normal HS DATA0/1 3 Strikes Smash

517

Universal Serial Bus Specification Revision 2.0

Host				Hub
Host				(SS: start sp. status
(data toggle)				(SS: start sp. status
(data toggle)				CS: comp. sp. status)
				CS: comp. sp. status)
0				SS:Free/x
uFrame M	st1	SSPLIT
	st1		st1
			st1
	st2	IN	st2
			st2
				SS:Pending/x
uFrame M+1				IN
				TRANS_ERR
				CS:Ready/trans_err
uFrame M+2	ct1	CSPLIT	ct1
			ct1
	ct2	IN	ct2
			ct2
		ERR	ch3	CS:Old/trans_err
	ce2	ERR	ch3
	ce2
	TRANS_ERR on FS/LS
	ce2->ce6
uFrame M+3 Host does not issue 2nd CSPLIT,				CS:Free/x
	because host already receives
	ERR on previous microframe.
uFrame M+4 Host does not issue 3rd CSPLIT,				SS:Free/x
	because host already receives
	ERR on previous microframe.
uFrame M+8		SSPLIT(retry)
	st1	SSPLIT(retry)
	st1		st1
			st1
	st2	IN	st2
			st2
				SS:Pending/x
uFrame M+9				IN

DATA0

			CS:Ready/lastdata	ACK
uFrame M+10	ct1	CSPLIT	ct1
			ct1
	ct2	IN	ct2
			ct2
		DATA0	CS:Old/lastdata
	ch7	DATA0	cd1
	ch7
1

Figure A-70. Normal FS/LS IN Smash

FS/LS device

(data toggle) 0

518

Universal Serial Bus Specification Revision 2.0

Host		Hub
Host		(SS: start sp. status
(data toggle)		(SS: start sp. status
(data toggle)		CS: comp. sp. status)
		CS: comp. sp. status)
0		SS:Free/x
uFrame M	SSPLIT
st1		st1
		st1
st2	IN	st2
		st2
		SS:Pending/x
uFrame M+1		IN

DATA0

				TRANS_ERR
				CS:Ready/trans_err
uFrame M+2	ct1	CSPLIT	ct1
			ct1
	ct2	IN	ct2
			ct2
		ERR	ch3	CS:Old/trans_err
	ce2	ERR	ch3
	ce2
	TRANS_ERR on FS/LS
	ce2->ce6
uFrame M+3	Host does not issue 2nd CSPLIT,			CS:Free/x
	because host already receives
	ERR on previous microframe.
uFrame M+4	Host does not issue 3rd CSPLIT,			SS:Free/x
	because host already receives
	ERR on previous microframe.
uFrame M+8		SSPLIT(retry)
	st1	SSPLIT(retry)
	st1		st1
			st1
	st2	IN	st2
			st2
				SS:Pending/x
uFrame M+9				IN

DATA0

			CS:Ready/lastdata	ACK
uFrame M+10	ct1	CSPLIT	ct1
			ct1
	ct2	IN	ct2
			ct2
		DATA0	CS:Old/lastdata
	ch7	DATA0	cd1
	ch7
1

Figure A-71. Normal FS/LS DATA0/1 Smash

FS/LS device

(data toggle) 0

519

Universal Serial Bus Specification Revision 2.0

Host			Hub
Host			(SS: start sp. status
(data toggle)			(SS: start sp. status
(data toggle)			CS: comp. sp. status)
			CS: comp. sp. status)
0			SS:Free/x
uFrame M	st1	SSPLIT	st1
			st1
	st2	IN	st2
			st2
			SS:Pending/x
uFrame M+1

				CS:Ready/lastdata
uFrame M+2	ct1	CSPLIT	ct1
			ct1
	ct2	IN	ct2
			ct2
	ch7	DATA0	cd1	CS:Old/lastdata
	ch7
1
uFrame M+3 Host does not issue 2nd CSPLIT,				CS:Free/x
	because host already receives
	DATA0 on previous microframe.

uFrame M+4

uFrame M+8

uFrame M+9

uFrame M+10

Host does not receive this data. Data toggle is still ‘1’.

Host does not issue 3rd CSPLIT,	SS:Free/x
because host already receives
DATA0 on previous microframe.

st1	SSPLIT	st1
		st1
st2	IN	st2
		st2
		SS:Pending/x

			CS:Ready/lastdata
ct1	CSPLIT	ct1
		ct1
ct2	IN	ct2
		ct2
ch7	DATA0	cd1	CS:Old/lastdata
ch7

Figure A-72. Normal FS/LS ACK Smash

FS/LS device

(data toggle) 0

DATA0

ACK

DATA0

ACK

520

Universal Serial Bus Specification Revision 2.0

Host			Hub
Host			(SS: start sp. status
(data toggle)			(SS: start sp. status
(data toggle)			CS: comp. sp. status)
			CS: comp. sp. status)
0			SS:Free/x
uFrame M	st1	SSPLIT	st1
			st1
	st2	IN	st2
			st2
			SS:Pending/x
uFrame M+1

				CS:Ready/lastdata
uFrame M+2	ct1	CSPLIT	ct1
			ct1
	ct2	IN	ct2
			ct2
				Does not match this
				CSPLIT on first
	TRANS_ERR			entry of CS.Then
	TRANS_ERR			HUB does not
	ce1->ce8			respond any packet.
	ct1	CSPLIT(retry imm.)
	ct1		ct1
			ct1
	ct2	IN	ct2
			ct2
	ch7	DATA0	cd1	CS:Old/lastdata
	ch7
1
uFrame M+3 Host does not issue 2nd CSPLIT,				CS:Free/x
	because host already receives
	DATA0 on previous microframe.
uFrame M+4 Host does not issue 3rd CSPLIT,				SS:Free/x
	because host already receives
	DATA0 on previous microframe.

uFrame M+5

Figure A-73. Searching No Smash

FS/LS device

(data toggle) 0

DATA0

ACK

521

Universal Serial Bus Specification Revision 2.0

Host			Hub
Host			(SS: start sp. status
(data toggle)			(SS: start sp. status
(data toggle)			CS: comp. sp. status)
			CS: comp. sp. status)
0			SS:Free/x
uFrame M	st1	SSPLIT	st1
			st1
	st2	IN	st2
			st2
			SS:Pending/x
uFrame M+1

FS/LS device

(data toggle) 0

				CS1:Ready/moredata	DATA0
uFrame M+2	ct1	CSPLIT	ct1		ACK
			ct1	CS2:Ready/lastdata	ACK
	ct2	IN		CS2:Ready/lastdata
	ct2	IN	ct2		1
			ct2		1
	ch5	MDATA	cd2	CS1:Old/moredata
	ch5
uFrame M+3	ct1	CSPLIT		CS1:Free/x
	ct1	CSPLIT	ct1
			ct1
	ct2	IN	ct2
			ct2
	ch7	DATA0	cd1	CS2:Old/lastdata
	ch7
1
uFrame M+4 Host does not issue 3rd CSPLIT,				SS:Free/x
	because host already receives			CS2:Free/x
	DATA0 on previous microframe.

uFrame M+5

Figure A-74. CS Earlier No Smash(HS MDATA and FS/LS Data Packet is on M+1 and M+2)

522

<<< < Предыдущая 41 42 43 44 45 46 47 48 49 50 51 52 53 5455 / 6555 56 57 58 59 60 61 62 63 64 65 > Следующая >>>

Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]

#
27.03.201513.58 Mб120ulyanov_a_a_mufty_privodov.doc
#
28.09.2019827.9 Кб22ump1.doc
#
25.09.2019439.76 Кб52UP_VDOVINA.docx
#
03.05.20157.03 Mб175USB System Architecture (USB 2.0).pdf
#
28.03.2015276.95 Кб36usb.pdf
#
03.05.20155.98 Mб42usb_2.0_english.pdf
#
11.03.20161.16 Mб35u_sem.pdf
#
28.03.2015480.68 Кб26Vektornaya_algebra_i_analiticheskaya_geometria.pdf
#
27.03.2015276.48 Кб49vibor_gaz.doc
#
24.08.201995.23 Кб5Vopros4_N_vychety.doc
#
25.08.2019207.04 Кб6voprosy_dlya_GE_po_ekonomike_informatsionnogo_b...docx