Distributor of Digi International: Excellent Integrated System Limited
Datasheet of XC09-009-DK - KIT DEV FOR 900MHZ 9600BPS 1MW
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9XCite™
OEM
RF
Module
–
Product
Manual
v2.1
[2007.01.04]
©
2007
MaxStream,
Inc.
7
1.6. Electrical Characteristics
1.6.1. Timing Specifications
The diagram below shows 9XCite Modules providing an RF Link between hosts.
Figure
1
‐
03. System
Block
Diagram
‐
RF
Link
between
hosts
The RF data flow sequence is initiated when the first byte of data is received by the transmitting
XCite Module. As long as XCite Module A is not already receiving RF data, the serial data goes into
the DI Buffer, is packetized, and then transmitted to XCite Module B.
Figure
1
‐
04. Timing
Specifications
(
ʺ
A
ʺ
and
ʺ
B
ʺ
are
associated
with
Figure
6)
Table
1
‐
04. DC
Characteristics
(Vcc
=
2.85
to
5.50V)
*
Reset
pulse
must
last
at
least
250
nanoseconds
**
VI
=
the
input
voltage
on
the
pin
Symbol
Parameter
Condition
Min
Typical
Max
Units
V
IL
Input Low Voltage
All input signals
-0.5
0.3 * Vcc
V
V
IH
Input High Voltage
All except
RESET pin
0.6 * Vcc
Vcc + 0.5
V
V
IH2
Input High Voltage
RESET pin *
0.9 * Vcc
Vcc + 0.5
V
V
OL
Output Low Voltage
I
OL
= 20 mA,
Vcc = 5V
0.7
0.5
V
V
OH
Output High Voltage
I
OH
= -20 mA,
Vcc = 5V
4.0
2.0
V
I
IL
Input Leakage
Current I/O Pin
Vcc = 5.5V, pin low (absolute
value)
3
µA
I
IH
Input Leakage
Current I/O Pin
Vcc = 5.5V, pin high (absolute
value)
3
µA
I
IL2
CTS, DO, RESET
(Vcc – VI) / 10 **
mA
I
IL3
CONFIG
(Vcc – VI) / 47 **
mA
I
IH2
RTS
(Vcc – VI) / 10 **
mA
8 / 37
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