AeroComm AC5124 - Default Chapter; Table of Contents

11/24/03 7
TABLE OF CONTENTS
TABLE OF CONTENTSTABLE OF CONTENTS
TABLE OF CONTENTS
TABLES......................................................................................................................................................... 8
1. OVERVIEW........................................................................................................................................ 10
2. AC5124 SPECIFICATIONS.............................................................................................................. 11
3. THEORY OF OPERATION.............................................................................................................. 12
1.1 D
EFINITIONS
.................................................................................................................................. 12
1.2 I
NTERFACE
S
IGNAL
D
EFINITIONS
................................................................................................... 13
1.2.1 Received Signal Strength Indicator (RSSI) ........................................................................... 14
1.1.2 In Range (IN_RANGE).......................................................................................................... 15
1.1.3 Baud Rate Selector (BDSEL) ................................................................................................ 15
1.1.4 Microprocessor Reset (µP_RESET)...................................................................................... 15
1.1.5 EEPROM Write Enable (WR_ENA)...................................................................................... 15
1.3 E
LECTRICAL
S
PECIFICATIONS
......................................................................................................... 16
4. SERIAL INTERFACE MODES........................................................................................................17
4.1 S
ERIAL
I
NTERFACE
M
ODE
01 – T
RANSPARENT
, F
IXED
P
ACKET
L
ENGTH
,
WITH
T
IMEOUT
............. 17
4.2 S
ERIAL
I
NTERFACE
M
ODE
02 – T
RANSPARENT
, E
ND
C
HARACTER
................................................ 17
4.3 S
ERIAL
I
NTERFACE
M
ODE
03 – API .............................................................................................. 18
4.4 S
ERIAL
I
NTERFACE
M
ODE
04 – T
RANSPARENT
, F
IXED
P
ACKET
L
ENGTH
, N
O
T
IMEOUT
................ 18
4.5 S
ERIAL
I
NTERFACE
B
UFFER
........................................................................................................... 18
4.6 A
DDRESSED
& B
ROADCAST
C
OMMUNICATION
.............................................................................. 18
4.6.1 Addressed Mode.................................................................................................................... 19
4.6.2 Broadcast Mode.................................................................................................................... 20
4.7 H
ANDSHAKING
............................................................................................................................... 20
4.7.1 CTS Handshaking ................................................................................................................. 20
4.7.2 RTS Handshaking.................................................................................................................. 21
4.7.3 Modem Handshaking ............................................................................................................ 21
5. API COMMAND SET........................................................................................................................ 22
5.1 S
YSTEM
C
OMMAND
S
ET
................................................................................................................ 23
5.1.1 Reset...................................................................................................................................... 23
5.1.2 Control.................................................................................................................................. 24
5.1.3 Diagnostic Result.................................................................................................................. 24
5.1.4 Standby.................................................................................................................................. 25
5.1.5 Status Request....................................................................................................................... 25
5.1.6 Status Reply........................................................................................................................... 25
5.1.7 Update EEPROM Checksum................................................................................................. 26
5.1.8 Check EEPROM Checksum .................................................................................................. 26
5.1.9 EEPROM Checksum Status................................................................................................... 26
5.1.10 Acknowledge ......................................................................................................................... 27
5.2 T
RANSCEIVER
C
OMMAND
S
ET
....................................................................................................... 27
5.2.1 RF Enable ............................................................................................................................. 27
5.2.2 Send Data.............................................................................................................................. 28
5.2.3 Send Data Complete ............................................................................................................. 28
5.2.4 Received Data....................................................................................................................... 29
5.2.5 In Range................................................................................................................................ 29
5.2.6 Out of Range......................................................................................................................... 29
6. AT COMMAND SET......................................................................................................................... 30
6.1 IRAM D
EFINED
............................................................................................................................. 30