User's Manual
Table Of Contents
- Part Number
- Overview
- AC4490 Specifications
- Specifications
- Configuring the AC4490
- EEPROM Parameters
- EEPROM Configuration Commands
- On-the-Fly Control Command Reference
- Status Request
- Change Channel without Forced Acquisition Sync
- Change Channel with Forced Acquisition Sync
- Server/Client Command
- Sync to Channel Command
- Power-Down Command
- Power-Down Wake-Up Command
- Broadcast Mode
- Write Destination Address
- Read Destination Address
- Read Digital Inputs
- Read ADC
- Report Last Valid RSSI
- Write Digital Outputs
- Write DAC
- Set Max Power
- Transmit Buffer Empty
- Theory of Operation
- Hardware interface
- GIn (Generic Inputs 0 and 1) (pins 4 and 14 respectively) and GOn (Generic Outputs 0 and 1) (pins 1 and 9 respectively)
- TXD (Transmit Data) and RXD (Receive Data) (pins 2 and 3 respectively)
- Hop Frame (pin 6)
- CTS Handshaking (pin 7)
- RTS Handshaking (pin 8)
- 9600 Baud/Packet Frame (pin 12)
- RSSI (pin 13)
- UP_Reset (pin 15)
- Command/Data (pin 17)
- AD In and AD Out (pins 18 and 19 respectively)
- In Range (pin 20)
- Software Parameters
- Hardware interface
- Application Examples
- Dimensions
- Ordering Information
AC4490 Specifications
AC4490 SpecificationsAC4490 Specifications
AC4490 Specifications
2/18/03
2/18/032/18/03
2/18/03 18
1818
18
4.3.3
4.3.34.3.3
4.3.3
Change Channel with Forced Acquisition Sync
Change Channel with Forced Acquisition SyncChange Channel with Forced Acquisition Sync
Change Channel with Forced Acquisition Sync
The Host issues this command to change the channel of the transceiver and force the transceiver to
immediately begin synchronization.
Host Command:
Host Command:Host Command:
Host Command:
Byte 1 = CCh
Byte 2 = 02h
Byte 3 = RF Channel Number (Hexadecimal)
Transceiver Response:
Transceiver Response:Transceiver Response:
Transceiver Response:
Byte 1 = CCh
Byte 2 = RF Channel Number (Hexadecimal)
4.3.4
4.3.44.3.4
4.3.4
Server/Client Command
Server/Client CommandServer/Client Command
Server/Client Command
The Host issues this command to change the mode (Server or Client) of the transceiver and can force
the transceiver to actively begin synchronization.
Host Command:
Host Command:Host Command:
Host Command:
Byte 1 = CCh
Byte 2 = 03h
Byte 3 = Data1
Where:
Where:Where:
Where:
Data1 =
00 for Server in Normal Operation
01 for Client in Normal Operation
02 for Server in Acquisition Sync
03 for Client in Acquisition Sync
Transceiver Response:
Transceiver Response:Transceiver Response:
Transceiver Response:
Byte 1 = CCh
Byte 2 = Software Version Number
Byte 3 = Data1
Where:
Where:Where:
Where:
Data1 = Data1 from Host Command