About the development board Development board LEDs
Digi Connect ME, Wi-ME, ME 9210, Wi-ME 9210 Hardware Reference Manual
30
Power on/off switch, SW5
The left position means that power is on. The right position means that power is off.
Development board LEDs
The development board contains 25 LEDs that are labeled CR1 through CR25. The following table lists
and describes the LEDs.
Development Board LED Descriptions
Board Label Description State Indication
CR1
CR2
TXD, Secondary Serial Port Yellow
TXD, Secondary Serial Port Yellow
On Logic 1 on TTL, mark, -V on line side
On Logic 1 on TTL, mark, -V on line side
CR3
CR4
RXD, Secondary Serial Port Yellow
RXD, Secondary Serial Port Green
On
Logic 1 on TTL, mark, -V on line side
On Logic 0 on TTL, space, +V on line side
CR5
CR6
DCD, Primary Serial Port Yellow
DCD, Primary Serial Port Green
On Logic 1 on TTL, mark, -V on line side
On Logic 0 on TTL, space, +V on line side
CR7
CR8
DSR, Primary Serial Port Yellow
DSR, Primary Serial Port Green
On Logic 1 on TTL, mark, -V on line side
On Logic 0 on TTL, space, +V on line side
CR9
CR10
CTS, Primary Serial Port Yellow
CTS, Primary Serial Port Green
On Logic 1 on TTL, mark, -V on line side
On Logic 0 on TTL, space, +V on line side
CR11
CR12
RXD, Primary Serial Port
RXD, Primary Serial Port
On Logic 1 on TTL, mark, -V on line side
On Logic 1 on TTL, mark, -V on line side
CR13
CR14
DTR, Primary Serial Port Yellow
DTR, Primary Serial Port Green
On Logic 1 on TTL, mark, -V on line side
On Logic 0 on TTL, space, +V on line side
CR15
CR16
RTS, Primary Serial Port Yellow
RTS, Primary Serial Port Green
On Logic 1 on TTL, mark, -V on line side
On Logic 0 on TTL, space, +V on line side
CR17
CR18
TXD, Primary Serial Port Yellow
TXD, Primary Serial Port Green
On Logic 1 on TTL, mark, -V on line side
On Logic 0 on TTL, space, +V on line side
CR19 GPIO 1 Green On Logic 1
Off Logic 0
CR20 GPIO 2Green On Logic 1
Off Logic 0
To Next Page
Loading...
Need help?
General
