AC4868 868 MHz Transceiver
User’s Manual
Americas: +1-800-492-2320 Option 3
8
Laird Technologies
Europe: +44-1628-858-940
Hong Kong: +852 2923 0610
www.lairdtech.com/ramp
12
I
Test
Test Mode – When pulled logic Low and then applying power or
resetting, the transceiver’s serial interface is forced to a 9600, 8-N-1 rate.
To exit, the transceiver must be reset or power-cycled with Test Mode
logic High.
13
N/C
This pin has an internal connection and should be left disconnected.
14
I
GI1
Generic Input pin
15
I
UP_RESET
RESET – Controlled by the AC4868-250 for power-on reset if left
unconnected. After a stable power-on reset, a logic High pulse will reset
the transceiver.
17
I
CMD?Data
When logic Low, the transceiver interprets OEM Host data as command
data. When logic High, the transceiver interprets OEM Host data as
transmit data.
18
I
AD In
10 bit Analog Data Input
19
O
DA_Out
10 bit Analog Data Output
20
O
In_Range
When logic Low, a Client is in range of a Server on same Channel and
System ID. Always low on a Server.
