AeroComm Corporation 44249AJ Manuale Utente
5
5
5
5////8/2007
8/2007
8/2007
8/2007
11
11
11
11
19
NC No
Connect
20
O
IN_RANGE
In Range – Active Low when a Client radio is in range of a Server on same Channel with the
same System ID.
same System ID.
I = Input to the transceiver
O = Output from the transceiver
3.2
3.2
3.2
3.2 EEEE
LECTRICAL
LECTRICAL
LECTRICAL
LECTRICAL
S
SS
S
PECIFICATIONS
PECIFICATIONS
PECIFICATIONS
PECIFICATIONS
Table
Table
Table
Table 2
2
2
2 –––– DC Input Voltage Characteristics
DC Input Voltage Characteristics
DC Input Voltage Characteristics
DC Input Voltage Characteristics
Pin
Pin
Pin
Pin Type
Type
Type
Type
Name
Name
Name
Name
High Min.
High Min.
High Min.
High Min.
High Max.
High Max.
High Max.
High Max.
Low Min.
Low Min.
Low Min.
Low Min.
Low Max.
Low Max.
Low Max.
Low Max.
Unit
Unit
Unit
Unit
3 I
RXD 0.2Vcc+0.9
Vcc+0.5 -0.5 0.2Vcc-
0.1
V
8 I
RTS 0.2Vcc+0.9
Vcc+0.5 -0.5 0.2Vcc-
0.1
V
12 I 9600_Baud
0.2Vcc+0.9
Vcc+0.5 -0.5 0.2Vcc-
0.1
V
14 I WR_ENA 0.7Vcc Vcc+1 -0.3
0.5 V
15 I UP_RESET 0.7Vcc Vcc+0.5 -0.5 0.2Vcc-
0.1
V
17 I Command/Data
0.2Vcc+0.9
Vcc+0.5 -0.5 0.2Vcc-
0.1
V
Table
Table
Table
Table 3
3
3
3 –––– DC Output Voltage Characteristics
DC Output Voltage Characteristics
DC Output Voltage Characteristics
DC Output Voltage Characteristics
Pin
Pin
Pin
Pin
Type
Type
Type
Type
Name
Name
Name
Name
High Min.
High Min.
High Min.
High Min.
Low Max.
Low Max.
Low Max.
Low Max.
Unit
Unit
Unit
Unit
2
O
TXD
Vcc-0.7 @ -
30µA
0.4 @
1.6mA
V
6
O
Hop Frame
Vcc-0.7 @ -
30µA
0.4 @
1.6mA
V
7
O
CTS
Vcc-0.7 @ -
30µA
0.4 @
1.6mA
V
12
O
Packet Frame
Vcc-0.7 @ -
30µA
0.4 @
1.6mA
V
13
O
RSSI
See Figure 1
See Figure 1
V
20
O
IN_RANGE
Vcc-0.7 @ -
30µA
0.4 @
1.6mA
V
3.3
3.3
3.3
3.3 SSSS
YSTEM
YSTEM
YSTEM
YSTEM
T
TT
T
IMING
IMING
IMING
IMING
Care should be taken when selecting transceiver architecture as it can have serious effects
on data rates, latency timings, and Overall System Throughput. The importance of these
three characteristics will vary from system to system and should be a strong consideration
when designing the system.
on data rates, latency timings, and Overall System Throughput. The importance of these
three characteristics will vary from system to system and should be a strong consideration
when designing the system.