參數(shù)資料
型號(hào): GL813
廠商: Electronic Theatre Controls, Inc.
英文描述: USB 2.0 CompactFlash Card Reader Controller
中文描述: 個(gè)USB 2.0 CF卡讀卡機(jī)控制
文件頁(yè)數(shù): 16/24頁(yè)
文件大?。?/td> 132K
代理商: GL813
GL813 - USB2.0 CompactFlash Card Reader Controller
2001-2002 Genesys Logic Inc.—All rights reserved.
Page 16 of 24
CRC. When transmitting, the SIE is always expected to present a PID as the first
byte of the data stream and if appropriate, CRC as the last bytes of the data stream.
z
The SIE must use LINEST0/1 to verify a Bus Idle condition before asserting TXVLD
in the TX Wait state.
5.1.2 Transmit Timing for Data Packet
The SIE negates TXVLD to complete a packet. Once negated, the Transmit State
Machine will never reassert TXRDY until after the EOP has been loaded into the Transmit
Shift Register. Note that the UTM Transmit State Machine can be ready to start another
package immediately, however the SIE must confirm to the minimum inter-packet delays
identified in the USB 2.0 Specification.
Data
Data
Data
Data
CRC
CRC
PID
SYNC
PID
Data
Data
Data
Data
C
C
P
CLKOUT
TXVLD
Data
TXRDY
DP/DM
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