USB4640-HZH-03 SMSC, USB4640-HZH-03 Datasheet - Page 25

• Manufacturer Part Number: USB4640-HZH-03
• Description: IC HSIC USB / FLASH CTRLR 48QFN
• Manufacturer: SMSC

Specifications of USB4640-HZH-03

• Design Resources: USB4640 Schematic
• Controller Type: HSIC USB 2.0 Hub, Flash Media
• Interface: I²C, Serial, SPI, USB
• Voltage - Supply: 3.3V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Other names: 638-1113

High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
Datasheet
Chapter 7 Pin Reset States
SMSC USB4640/USB4640i
7.1
PIN
1
2
3
4
6
7
Pin Reset States
USBDN_DM2
USBDN_DM3
USBDN_DP2
USBDN_DP3
PIN NAME
PRTCTL2
PRTCTL3
V
V
Voltage
Signal
DD33
SS
Table 7.2 USB4640/USB4640i Reset States Table
(v)
Table 7.1 Legend for Pin Reset States Table
SYMBOL DESCRIPTION
0
1
IP
PU
PD
none
--
Z
RESET
Figure 7.1 Pin Reset States
Output driven low
Output driven high
Input enabled
Hardware enables pull-up
Hardware enables pull-down
Hardware disables pad
Hardware disables function
Hardware disables pad. Both output
driver and input buffers are disabled.
DATASHEET
Initialization
Hardware
25
USBDN_DM2
USBDN_DM3
USBDN_DP2
USBDN_DP3
FUNCTION
PRTCTL
PRTCTL
Operational
Firmware
RESET STATE
Time
RESET
(t)
OUTPUT
INPUT/
IP
IP
IP
IP
0
0
Revision 1.0 (06-09-09)
PU/
PD
PD
PD
PD
PD
--
--