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USB-3103 User's Guide
Memory
Parameter
EEPROM
EEPROM configuration
Microcontroller
Parameter
Type
Program memory
Data memory
Power
Parameter
Supply current
Supply current (Note 7)
+5 V user output voltage range (Note 8)
+5 V user output current (Note 9)
Note 7:
This is the total quiescent current requirement for the USB-3103 which includes up to 10 mA for the status
LED. This does not include any potential loading of the digital I/O bits, +5 V user terminal, or the VOUTx
outputs.
Note 8:
Output voltage range assumes USB power supply is within specified limits.
Note 9:
This refers to the total amount of current that can be sourced from the +5 V user terminal (pin 56) for general
use. This specification also includes any additional contribution due to DIO loading.
USB specifications
Parameter
USB device type
USB device compatibility
USB cable length
USB cable type
Table 9. Memory specifications
Specification
256 bytes
Address range
0x000-0x0FF
Table 10. Microcontroller specifications
Specification
High performance 8-bit RISC microcontroller
16,384 words
2,048 bytes
Table 11. Power specifications
Condition
USB enumeration
Quiescent current
Available at terminal block pin 56
Available at terminal block pin 56
Table 12. USB specifications
Specification
USB 2.0 (full-speed)
USB 1.1, 2.0
3 m (9.84 ft) max
A-B cable, UL type AWM 2527 or equivalent (min 24 AWG VBUS/GND,
min 28 AWG D+/D–)
17
Access
Description
Read/write
256 bytes user data
Specification
< 100 mA
160 mA typ
4.5 V min, 5.25 V max
10 mA max
Specifications
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