USB2-H-1002 EasySync, USB2-H-1002 Datasheet - Page 17

• Manufacturer Part Number: USB2-H-1002
• Description: USB Interface IC Hi-speed USB to 2 pt Serial RS232 Adapter
• Manufacturer: EasySync

Specifications of USB2-H-1002

• Rohs: yes
• Product: USB 2.0
• Data Rate: 1 Mbps
• Interface Type: RS-232, Serial, USB
• Operating Supply Voltage: 4.25 V to 5.25 V
• Operating Supply Current: 30 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C

3
3.1
3.1.1 USB
The USB-H-1002 is a USB 2.0 Hi-Speed Device. A standard USB Series “miniB” receptacle is mounted
inside the USB-H-1002 to facilitate connection to an upstream USB Host or Hub.
Table 3.1 – USB "miniB" Receptacle Pin-Out
3.1.2 RS232
The RS232 ports are configured as Data Terminal Equipment (DTE), with a 9-contact D-Sub Pin
connector. Pin assignments are according to TIA/EIA-574 which formally defines the assignments for a
COM port found on many personal computers.
Table 3.2 – DE-9P RS232 Pin-Out
Pin Number
Pin Number
Connections
Shield
Shield
External Connectors
1
2
3
4
5
1
2
3
4
5
6
7
8
9
Case Ground
Case Ground
Bidirectional
Bidirectional
Pin Type
Pin Type
Ground
Ground
Output
Output
Output
Power
Input
Input
Input
Input
Input
ID
Description
VBUS – USB Power provided from upstream USB Host or Hub
D– = USB data signal, negative polarity
D+ = USB data signal, positive polarity
ID = Host /slave select pin ,No used
GND = USB signal ground
Drain = typically connected to the host PC case
Description
DCD = Data Carrier Detect
RXD = Receive Data
TXD = Transmit Data
DTR = Data Terminal Ready
GND = RS232 signal ground
DSR = Data Set Ready
RTS = Request To Send
CTS = Clear To Send
RI = Ring Indicator
Drain = typically connected to the host PC case
USB2-H-1002 Hi-Speed USB to 2-Port RS232 Adapter Data Sheet
©2010 EasySync Ltd.
Document Reference No.: ES_000024
Clearance No.: #
Version 1.01
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