BT-121

Amp’ed RF, Inc. (phone) 408 213-9530 (fax) 408 213-9533 Product Specification Features Bluetooth Radio Fully embedded Bluetooth v2.0 Serial Profile Class 2 radio Complete RF ready module Wireless data communications Integrated chip antenna 128-bit encryption security Range up to 30m LOS FCC & Bluetooth qualified Description The BT-120/121 is a serial adapter that provides fully embedded, ready to use Bluetooth wireless technology. The reprogrammable flash memory contains embedded firmware for serial cable replacement using the Bluetooth SPP profile. Other popular Bluetooth profiles, such as OBEX, are also available. Customized firmware for peripheral device interaction, power optimization, security, and other proprietary features may be supported and can be ordered pre-loaded and configured. ST Micro ARM microprocessor up to 50MHz Memory 256K bytes flash memory 64K bytes RAM memory Data Rate 2M bps maximum data rate Multipoint capability Serial Interface UART, up to 921K baud User Interface AT command set Additional Documentation BT-21 Datasheet abSerial User Guide abSerial Reference Guide ©2008 Amp’ed RF Inc 1722 Ringwood Ave, Suite 250, San Jose, CA 95131, USA www.ampedrf.com BT-120/121 Datasheet Page 1 of 6 Amp’ed RF, Inc. (phone) 408 213-9530 (fax) 408 213-9533 Software Architecture Lower Layer Stack Full Bluetooth v2.0 data rate (3M bps maximum) Device power modes—active, sleep and deep sleep Wake on Bluetooth feature—optimized power consumption of host CPU Authentication and encryption Encryption key length from 8-bits to 128-bits maximum Persistent FLASH memory—for BD Address and radio parameter storage All ACL (Asynchronous Connection Less) packet types (DM1, DH1, DM3, DH3, DM5, DH5, 2-DH1, 2-DH3, 2-DH5, 3-DH1 3-DH3, 3DH5, AUX1) SCO (Synchronous Connection Oriented) packet types (HV1, HV2, HV3) Point to multipoint and scatternet support—3 master and 7 slave links allowed (10 active links simultaneously) Park, sniff, and hold modes—fully supported to maximum allowed intervals Master slave switch—supported during connection and post connection Dedicated Inquiry Access Code—for improved inquiry scan performance Dynamic packet selection—channel quality driven data rate to optimize link performance Dynamic power control—interference reduction and link performance Bluetooth test modes—per Bluetooth v2.0 specification 802.11b co-existence—AWMA and AFH Vendor specific HCI commands—to support device configuration and certification test modes Upper Layer Stack SPP, OBEX, SDAP, GAP, and DUN protocols RFComm, SDP, and L2CAP supported HCI Interface Bluetooth v2.0 specification compliant HCI UART transport layer (H4) Firmware upgrade over UART APPLICATIONS UPPER LAYER STACK COMMANDS EVENTS ARM7 CPU HCI LM FLASH MEMORY BASEBAND RF HCI STACK ©2008 Amp’ed RF Inc 1722 Ringwood Ave, Suite 250, San Jose, CA 95131, USA www.ampedrf.com BT-120/121 Datasheet Page 2 of 6 Amp’ed RF, Inc. (phone) 408 213-9530 (fax) 408 213-9533 Serial Interface AT Commands The abSerial Interface supports AT style commands, which can be issued from a host PC or controller to control the BT-121 adaptor. For more information on our AT command set, please refer to the abSerial Reference Guide. ©2008 Amp’ed RF Inc 1722 Ringwood Ave, Suite 250, San Jose, CA 95131, USA www.ampedrf.com BT-120/121 Datasheet Page 3 of 6 Amp’ed RF, Inc. (phone) 408 213-9530 (fax) 408 213-9533 Hardware Switches The following are pin assignments for the switches on the back of the BT-120/121 adapters: 1. Flow Control Pin: ON for no flow control, OFF for CTS/RTS flow control. 2. Not Assigned 3. Programming Pin: ON for normal mode, OFF to run Boot Loader. 4. Not Assigned Power Jack Our adapters use a power supply, 5-9 VDC, with a 1.3mm jack. Connector Types The BT-120 adapter has a female DB9 serial connector. To connect to a PC, it may use a straight DB9 serial cable M/M. The BT-121 adapter has a male DB9 serial connector. To connect to a PC, it may use a null modem DB9 serial cable F/F. LEDs The following are functional assignments for the LEDs on the BT-120/121 adapters: LED 1, Not Assigned LED 2, CPU Active LED 3, RF Link Active ©2008 Amp’ed RF Inc 1722 Ringwood Ave, Suite 250, San Jose, CA 95131, USA www.ampedrf.com BT-120/121 Datasheet Page 4 of 6 Amp’ed RF, Inc. (phone) 408 213-9530 (fax) 408 213-9533 ©2008 Amp’ed RF Inc 1722 Ringwood Ave, Suite 250, San Jose, CA 95131, USA www.ampedrf.com BT-120/121 Datasheet Page 5 of 6 Amp’ed RF, Inc. (phone) 408 213-9530 (fax) 408 213-9533 Schematic ©2008 Amp’ed RF Inc 1722 Ringwood Ave, Suite 250, San Jose, CA 95131, USA www.ampedrf.com BT-120/121 Datasheet Page 6 of 6