User's Manual

4-14 Development Platform Kit User Guide MOTOROLA
Motorola Confidential Proprietary, NDA Required / Preliminary
Hardware
4.4.4 Memory
The MC71000 has embedded memory of 256 Kbytes of ROM and 64 K of RAM. An image can be
uploaded from a host system, or a low-cost serial EEPROM (four-wire connection). For more information
on the contents and structure of the MC71000 memory, please refer to the Bluetooth Platform Solution
Embedded System User’s Guide. This is accessible from the document overview on the Development Kit
CD.
4.4.5 UART Interface
The UART interface is embedded in the MC71000. However, an external level converter is needed. For
this purpose, the MAX3237 1.0 Mbit level converter is used. The level converter is connected to the
MC71000 and a female 9-pin D-sub. The connection between the level converter and the MC71000 is
passed through a jumper block in order to aid debugging, and, if ever needed, to use a different type of
level converter.
4.4.6 USB Interface
The USB interface consists of the National USBN9604 USB device controller. A 3.3 V power supply is
used for the USBN 9604.
For information on the USB limitations of the Development Kit, see the section “USB Limitations”
4.4.7 CODEC Interface
The audio interface consists of the Xemics XE3006 CODEC, a 4-pin header and a 4/4p amp connector. As
to the power supply for the CODEC, both 1.8 V and 3.3 V are selectable by a “+” formation jumper.
Sampling rate is configured at 7.8125 kHz.
4.4.8 Antenna
The Development Kit contains an F entenna and an SMA 50 Ohm antenna connector.
4.5 Reference Designs
The Bluetooth Platform Solution reference designs include the following: Host optimized, host
non-optimized, and standalone (headset). Descriptions and schematics are included in the Bluetooth
Platform Solution Reference Designs document. This is accessible from the document overview on the
Development Kit CD.