Technical Description
S5U13U00P00C100 USB 2.0 Adapter Board
Seiko Epson Corporation
9
Rev. 1.1
Figure 4-1: Jumper JP1 Location
4.3 Status Indicators
S5U13U00P00C100 has a green LED “5V PWR” to indicate when 5V power is present.
The board outputs 2 signals on connector P1 to indicate if the board is working and if the
board has completed enumeration on USB.These signals are 3.3 volt, regardless of the host
bus voltage selection.
On pin 9 of connector P1 is output the signal ‘Heartbeat’. When the board is working
correctly, this is a toggling signal with a frequency around 2Hz. If a LED is used as an
indicator, it will be blinking.
On pin 10 of connector P2 is output the signal ‘Enumerated’. This signal goes high when
the S5U13U00P00C100 enumerated successfully on the USB. If a LED is used as an
indicator, it will turn on upon successful enumeration on the USB.
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