參數(shù)資料
型號(hào): UPD720122GC-9EU
廠商: NEC Corp.
英文描述: MOS Integrated Circuit
中文描述: 馬鞍山集成電路
文件頁數(shù): 72/82頁
文件大小: 650K
代理商: UPD720122GC-9EU
Data Sheet S16685EJ2V0DS
72
μ
PD720122
(6) Bus reset sequence (2)
The bus reset sequence when connected to a USB 2.0 bus is shown below.
Figure 2-15. Bus Reset Sequence (2)
t
SPD
t
CSR
t
CKO
t
CKI
t
SCS
t
FCA
Chirp K device out
Reversion to high-speed mode
Pull-up High-speed packet
T
0
USB bus
USBRST
SPMODE
t
SSC
t
CSO
t
CSI
t
RHA
t
FSC
Chirp state from host/hub
Reset Complete
K
J
K
J
K
J
K
J
t
SCA
Reversion to full-speed mode
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