USB2244I-AEZG-05 Standard Microsystems (SMSC), USB2244I-AEZG-05 Datasheet - Page 36

• Manufacturer Part Number: USB2244I-AEZG-05
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2244I-AEZG-05

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 36
• Lead Free Status / Rohs Status: Compliant

Revision 2.0 (10-14-09)
7.3.2
NAME
t1
t2
t3
t4
t5
t6
t7
RESET_N asserted
Device recovery/stabilization
8051 programs device configuration
USB attach
Host acknowledges attach and signals USB reset
USB idle
Ready to handle requests (with or without data)
Note: All power supplies must have reached the operating levels mandated in
USB Bus Reset
In response to the upstream port signaling a reset to the device, the device does the following:
1. Sets default address to ‘0’.
2. Sets configuration to: Unconfigured.
3. All transactions are stopped.
4. Processor reinitializes and restarts.
5. All media interfaces are disabled.
Parameters, prior to (or coincident with) the assertion of RESET_N.
DESCRIPTION
Table 7.2 RESET_N Timing for EEPROM Mode
Ultra Fast USB 2.0 Multi-Format, SD/MMC, and MS Flash Media Controllers
DATASHEET
36
MIN
100
1
Undefined
TYP
20
MAX
500
100
50
5
Chapter 9, DC
SMSC USB224x
UNITS
msec
msec
msec
msec
msec
Datasheet
μsec
μsec