ELM327
Index
A
F
Absolute Maximum Ratings, 5
Altering Flow Control Messages, 48
Applications, Example, 71-76
AT Commands, 9
Features, 1
Figure 9, 73
Flow Control Messages, Altering, 48
FMS Standard, 55
AT Command
Descriptions, 11-27
Summary, 9-11
H
Alerts, Error Messages and, 78-80
Headers, setting them, 38-40
Higher RS232 Baud Rates, 63-64
B
I
Battery Voltage, 28
Baud Rates, Using Higher RS232, 63-64
Block Diagram, 1
Bus FMS Standard, 55
Initiation, Bus, 34
Inputs, unused, 5
Interface, Microprocessor, 70
Interpreting Trouble Codes, 32
Bus Initiation, 34
C
J
CAN Extended Addresses, Using, 49
CAN Message Formats, 46
CAN Receive Filtering, 42
Codes, Trouble,
J1939,
FMS Standard, 55
Messages, 50-51
Number of responses, 53
Using, 52-55
Interpreting, 32
Resetting, 33
Commands, AT
K
Descriptions,11-27
Summary, 9-11
KeepAlive (Wakeup) Messages, 34
Commands, OBD, 29
Communicating with the the ELM327, 7-8
the CRA Command, 42
L
Low Power Operation,
Description, 66-69
Modifications, 77
D
Description and Features, 1
M
E
Maximum Ratings, Absolute, 5
Messages and Filtering, CAN, 42
Messages, Error, 78-80
Message Formats, CAN, 46
Message Formats, OBD, 36-37
Microprocessor Interfaces, 70
Modifications for Low Power, 77
Monitoring the Bus, 41
Electrical Characteristics, 6
Error Messages, 78-80
Example Applications
Basic, 71-73
Figure 9, 73
USB, 72-75
Low Power, 77
Extended Addresses, CAN, 49
Multiline Responses, 44-45
ELM327DSI
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