Data Sheet

Copyright © Future Technology Devices International Limited 12
FT230X USB TO BASIC UART IC
Version 1.4
Document No.: FT_000566 Clearance No.: FTDI# 260
CBUS Signal
Option
Available On CBUS Pin
Description
VBUS_Sense
CBUS0, CBUS1, CBUS2, CBUS3
Input to detect when VBUS is present.
Time Stamp
CBUS0, CBUS1, CBUS2, CBUS3
Toggle signal which changes state each time a USB
SOF is received
Keep_Awake#
CBUS0, CBUS1, CBUS2, CBUS3
Prevents the device from entering suspend state
when unplugged.
Table 3.7 CBUS Configuration Control
*When in USB suspend mode the outputs clocks are also suspended.