參數(shù)資料
型號(hào)： MC9328MXLVF15
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 150 MHz, RISC PROCESSOR, PBGA225
封裝： 13 X 13 MM, 0.80 MM PITCH, MAPBGA-225
文件頁(yè)數(shù)： 62/89頁(yè)
文件大?。?/td> 1869K
代理商： MC9328MXLVF15
Specifications
MOTOROLA
MC9328MXL Advance Information
65
3.15 USB Device Port
Four types of data transfer modes exist for the USB module: control transfers, bulk transfers, isochronous
transfers, and interrupt transfers. From the perspective of the USB module, the interrupt transfer type is
identical to the bulk data transfer mode, and no additional hardware is supplied to support it. This section
covers the transfer modes and how they work from the ground up.
Data moves across the USB in packets. Groups of packets are combined to form data transfers. The same
packet transfer mechanism applies to bulk, interrupt, and control transfers. Isochronous data is also moved
in the form of packets, however, because isochronous pipes are given a fixed portion of the USB
bandwidth at all times, there is no end-of-transfer.
Figure 52. USB Device Timing Diagram for Data Transfer to USB Transceiver (TX)
Table 25. USB Device Timing Parameter Table for Data Transfer to USB Transceiver (TX)
Ref No.
Parameter
1.8V ± 0.10V
3.0V ± 0.30V
Unit
Minimum
Maximum
Minimum
Maximum
1
tROE_VPO; USBD_ROE active to
USBD_VPO low
83.14
83.47
83.14
83.47
ns
2
tROE_VMO; USBD_ROE active to
USBD_VMO high
81.55
81.98
81.55
81.98
ns
3
tVPO_ROE; USBD_VPO high to
USBD_ROE deactivated
83.54
83.80
83.54
83.80
ns
USBD_AFE
(Output)
USBD_ROE
(Output)
USBD_VPO
(Output)
USBD_VMO
(Output)
USBD_SUSPND
(Output)
USBD_RCV
(Input)
USBD_VP
(Input)
USBD_VM
(Input)
t ROE_VPO
t VMO_ROE
tVPO_ROE
tFEOPT
tROE_VMO
tPERIOD
1
2
3
4
5
6
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC9328MXLVF20 制造商:Rochester Electronics LLC 功能描述:DRAGONBALL CORSICA 225 - Bulk 制造商:Motorola Inc 功能描述:
MC9328MXLVF20R2 制造商:Rochester Electronics LLC 功能描述:DRAGONBALL CORSICA 225 - Bulk
MC9328MXLVH15 制造商:FREESCALE-SEMI 功能描述:
MC9328MXLVH20 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:i.MX Integrated Portable System Processor
MC9328MXLVH20R2 制造商:Rochester Electronics LLC 功能描述:DRAGONBALL CORSICA - Bulk 制造商:Motorola Inc 功能描述:
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