USB4640-HZH SMSC [SMSC Corporation], USB4640-HZH Datasheet - Page 25

• Manufacturer Part Number: USB4640-HZH
• Description: High Speed Inter-Chip (HSIC) USB 2.0 Hub and Flash Media Controller
• Manufacturer: SMSC [SMSC Corporation]

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
--
--