Timer; Memory; Power; Usb - Measurement Computing USB-1608G User Manual

USB-1608G User's Guide

Timer

Parameter
Terminal name
Timer type
Output value
Internal clock frequency
Register widths
High pulse width
Low pulse width
Output high voltage
Output low voltage
Output current

Memory

Parameter
Data FIFO
Non-volatile memory

Power

Parameter
Supply current (Note 1)
+5 V user output voltage range
+5 V user output current
Note 1: This is the total quiescent current requirement for the device that includes up to 10 mA for the Status
LED. This does not include any potential loading of the digital I/O bits or the +5V terminal.

USB

Parameter
USB device type
Device compatibility
USB cable type
USB cable length
Table 10. Timer specifications
Specification
TMR
PWM output with count, period, delay, and pulse width registers
Default state is idle low with pulses high, software-selectable output invert
64 MHz
32-bit
15.625 ns min
15.625 ns min
4.4 V min (IOH = –50 µA)
3.76 V min (IOH = –2.5 mA)
0.1 V max (IOL = 50 µA)
0.44 V max (IOL = 2.5 mA)
±2.5 mA max
Table 11. Memory specifications
Specification
4 kS analog input
32 KB (28 KB firmware storage, 4 KB calibration/user data)
Table 12. Power specifications
Condition
Quiescent current
Available at terminal block pin 42
Available at terminal block pin 42
Table 13. USB specifications
Specification
USB 2.0 (high-speed)
USB 1.1, USB 2.0
A-B cable, UL type AWM 2725 or equivalent. (Min 24 AWG VBUS/GND,
min 28 AWG D+/D–)
3 m (9.84 ft) max
20
Specification
230 mA
4.5 V min to 5.25 V max
10 mA max
Specifications