USB-1608GX User's Guide
Specifications
20
Timer
Table 10. Timer specifications
Parameter
Specification
Terminal name
TMR
Timer type
PWM output with count, period, delay, and pulse width registers
Output value
Default state is idle low with pulses high, software-selectable output invert
Internal clock frequency
64 MHz
Register widths
32-bit
High pulse width
15.625 ns min
Low pulse width
15.625 ns min
Output high voltage
4.4 V min (IOH = –50 µA)
3.76 V min (IOH = –2.5 mA)
Output low voltage
0.1 V max (IOL = 50 µA)
0.44 V max (IOL = 2.5 mA)
Output current
±2.5 mA max
Memory
Table 11. Memory specifications
Parameter
Specification
Data FIFO
4 kS analog input
Non-volatile memory
32 KB (28 KB firmware storage, 4 KB calibration/user data)
Power
Table 12. Power specifications
Parameter
Condition
Specification
Supply current (Note 1)
Quiescent current
230 mA
+5 V user output voltage range
Available at terminal block pin 42
4.5 V min to 5.25 V max
+5 V user output current
Available at terminal block pin 42
10 mA max
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
Table 13. USB specifications
Parameter
Specification
USB device type
USB 2.0 (high-speed)
Device compatibility
USB 1.1, USB 2.0
USB cable type
A-B cable, UL type AWM 2725 or equivalent. (Min 24 AWG VBUS/GND,
min 28 AWG D+/D–)
USB cable length
3 m (9.84 ft) max
