ATJ2085 ETC, ATJ2085 Datasheet - Page 20

• Manufacturer Part Number: ATJ2085
• Description: Atj2085 is a Single-chip for Flash-based Digital Music Player
• Manufacturer: ETC

ATJ2085
4.15 USB 2.0(FS) SIE
Copyright © 2004 Actions Semiconductor Co., Ltd. All rights reserved.
VER 1.5
Communications with the host can be made via speed-programmable USB interface (compliant
with USB SPEC 2.0（FS）). Such communications, including file downloading or uploading,
audio/video data transferring, etc., depend on different implementations to meet different
requirements. 4 endpoints are provided. Endpoint 1 and endpoint 2 are capable of isochronous
transfer mode, and in this case, the maximum packet size can be 1023, according to USB SPEC.
Parameter
SCL period
Clock low time
Clock high time
Clock rise time
Clock fall time
data setup time
data hold time
WWW.MP3JS.COM.CN
Symbol
Page 19
t
t
HD:DAT
SU:DAT
t
t
f
DATA SHEET
HIGH
LOW
SCL
t
t
r
f
Typical
100
5
4.5
500
20
4.5
50
8/18/2004
Actions
Unit
KHZ
us
us
ns
ns
us
ns