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DOCUMENT INFORMATION DOCUMENT INFORMATION DOCUMENT INFORMATION DOCUMENT INFORMATION Revision Revision Description Description Revision Revision Description Description Version 1.0 11/7/2001 – Initial Release Version Version 1.1 10/14/2002 – Not Released Version 1.2 10/18/2002 – Full release of AC4424 specification Version 1.3 11/19/2002 –...
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WARNING: The Original Equipment Manufacturer (OEM) must ensure that FCC labeling requirements are met. This includes a clearly visible label on the outside of the OEM enclosure specifying the appropriate AeroComm FCC identifier for this product as well as the FCC Notice above. The FCC identifiers are listed above in the Agency Identifier Numbers section.
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FCC INFORMATION FCC INFORMATION FCC INFORMATION FCC INFORMATION Approved Antenna List Approved Antenna List Approved Antenna List Approved Antenna List Gain Gain Gain Gain Item Item Item Item Part Number Part Number Part Number Part Number Mfg. Mfg. Mfg. Mfg. Type Type Type...
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FCC INFORMATION FCC INFORMATION FCC INFORMATION FCC INFORMATION RF Exposure AC4424 RF Exposure AC4424 RF Exposure AC4424 RF Exposure AC4424- - - - 10 WARNING: WARNING: WARNING: WARNING: To comply with FCC RF Exposure requirements, the Original Equipment Manufacturer (OEM) must ensure that Antennas 3, 4, 5, 6 and 7 in the previous table must be installed and/or configured to operate with a separation distance of 20cm or more from all persons to satisfy RF Exposure compliance.
TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS TABLE OF CONTENTS 1. 1. 1. 1. OVERVIEW OVERVIEW................................................9 9 9 9 OVERVIEW OVERVIEW ................................................2. 2. 2. 2. AC4424 SPECIFICATION AC4424 SPECIFICATIONS S S S ........
Overview Overview The AC4424 is a member of AeroComm’s ConnexRF OEM transceiver family. It is designed for integration into OEM systems operating under FCC part 15.247 regulations for the 2.4 GHz ISM band. The AC4424 is a cost-effective, High performance, 2.4 GHz frequency hopping spread spectrum transceiver.
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5V nominal ±2%, ±50mV ripple Sensitivity -90dBm typical Range (based on 3dBi gain antenna) AC4424-10, Indoors to 300 ft., Outdoors to 3000 ft. AC4424-100, Indoors to 400 ft., Outdoors to 6000 ft. AC4424-200, Indoors to 500 ft., Outdoors to 10000 ft. ENVIRONMENTAL...
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 3. 3. 3. 3. Specifications Specifications Specifications Specifications 3.1 I I I I S S S S D D D D NTERFACE NTERFACE NTERFACE NTERFACE IGNAL IGNAL IGNAL IGNAL EFINITIONS EFINITIONS EFINITIONS EFINITIONS The AC4424 has a simple interface that allows OEM Host communications with the transceiver.
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 3.2 E E E E S S S S LECTRICAL LECTRICAL LECTRICAL LECTRICAL PECIFICATIONS PECIFICATIONS PECIFICATIONS PECIFICATIONS Table 2 2 2 2 – – – – DC Input Voltage Characteristics Table DC Input Voltage Characteristics Table Table DC Input Voltage Characteristics...
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications Table Table Table Table 4 4 4 4 – – – – Maximum Overall System Throughputs Maximum Overall System Throughputs Maximum Overall System Throughputs Maximum Overall System Throughputs RF Mode Interface Baud Duplex Direction Throughput...
00 – FFh High Byte of the interface baud rate. Control 0 00010100b Settings are: (14h) Bit 7 – AeroComm Use Only AeroComm Use Only AeroComm Use Only AeroComm Use Only Bit 6 – AeroComm Use Only AeroComm Use Only...
Use Only roComm Use Only Bit 6 – RF Architecture 0 = Server-Client 1 = Peer-to-Peer Bit 5 – AeroComm Use Only AeroComm Use Only AeroComm Use Only AeroComm Use Only Bit 4 – AeroComm Use Only AeroComm Use Only...
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 4.2.1 4.2.1 4.2.1 4.2.1 EEPROM Byte Read EEPROM Byte Read EEPROM Byte Read EEPROM Byte Read Upon receiving this command, a transceiver will transmit the desired data from the address requested by the Host. Host Command: Host Command: Host Command:...
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 4.3 O O O O - - - - - - - - F F F F C C C C C C C C R R R R N N N N ONTROL ONTROL ONTROL...
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 4.3.3 4.3.3 4.3.3 4.3.3 Server/Client Command Server/Client Command Server/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:...
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 4.3.5 4.3.5 Power Power- - - - Down Wake Down Wake- - - - Up Command Up Command 4.3.5 4.3.5 Power Power Down Wake Down Wake Up Command Up Command The Power-Down Wake-Up Command is issued by the Host to bring the transceiver out of power- down mode.
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 4.3.8 4.3.8 Write Static Bank #1 Bytes Write Static Bank #1 Bytes 4.3.8 4.3.8 Write Static Bank #1 Bytes Write Static Bank #1 Bytes The Host issues this command to the transceiver to write Static Bank #1 Bytes. Static Bank #1 is a bank of memory that holds many of the parameters that control the radio.
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 4.3.10 4.3.10 Write Static Bank #2 Bytes Write Static Bank #2 Bytes 4.3.10 4.3.10 Write Static Bank #2 Bytes Write Static Bank #2 Bytes The Host issues this command to the transceiver to write Static Bank #2 Bytes. Static Bank #2 is a bank of memory that holds many of the parameters that control the radio.
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 4.3.13 4.3.13 4.3.13 4.3.13 Temperature Update Temperature Update Temperature Update Temperature Update The Host issues this command to update the transceiver with the ambient temperature. This command is only valid on AC4424 family transceivers not already fitted with a temperature sensor. Host Command: Host Command: Host Command:...
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 5. 5. 5. 5. Theory of Operation Theory of Operation Theory of Operation Theory of Operation 5.1 H H H H ARDWARE INTERFACE ARDWARE INTERFACE ARDWARE INTERFACE ARDWARE INTERFACE Below is a description of all hardware pins used to control the AC4424. 5.1.1 5.1.1 5.1.1...
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 5.1.5 5.1.5 5.1.5 5.1.5 9600 Bau 9600 Bau 9600 Baud/Packet Frame (pin 12) 9600 Bau d/Packet Frame (pin 12) d/Packet Frame (pin 12) d/Packet Frame (pin 12) 9600_BAUD 9600_BAUD – When pulled logic Low before applying power or resetting, the transceiver’s serial 9600_BAUD 9600_BAUD interface is forced to a 9600, 8-N-1 (8 data bits, No parity, 1 stop bit) rate.
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 5.1.7 5.1.7 5.1.7 5.1.7 Wr Wr_Ena (EEPROM Write Enable) (pin 14) _Ena (EEPROM Write Enable) (pin 14) _Ena (EEPROM Write Enable) (pin 14) _Ena (EEPROM Write Enable) (pin 14) Wr_Ena is a direct connection to the Write Enable line on the EEPROM. When logic Low, the EEPROM’s contents may be changed.
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 5.2.2 5.2.2 5.2.2 5.2.2 RF Mode RF Mode RF Mode RF Mode All radios located on the same network must use the same RF Mode. All radios located on the same network must use the same RF Mode. All radios located on the same network must use the same RF Mode.
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 5.2.3 5.2.3 5.2.3 5.2.3 Sub Hop Adjust Sub Hop Adjust Sub Hop Adjust Sub Hop Adjust Sub Hop Adjust is an AC4424 protocol parameter and its settings are as follows: Table Table 7 7 7 7 – – – – Sub Hop Adjust Settings Table Table Sub Hop Adjust Settings...
AC4424 Specifications AC4424 Specifications AC4424 Specifications AC4424 Specifications 5.2.6 5.2.6 5.2.6 5.2.6 Serial Interface Baud Rate Serial Interface Baud Rate Serial Interface Baud Rate Serial Interface Baud Rate This two-byte value determines the baud rate used for communicating over the serial interface to a transceiver.
Stream Mode, 115,200 baud Acknowledge Mode and all lower baud rates. It should only be disabled with recommendation from AeroComm. disabled with recommendation from AeroComm. Below is a list containing some of the variables disabled with recommendation from AeroComm.
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