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5
HYBRID DEMONSTRATOR BOARD
Demonstrator Board Setup
This section is an overview of how to configure the hybrid
demonstrator board. Figure 1 represents an overview of the
board setup. Communication to the Ezairo 7150 SL hybrid
requires both a daughterboard and a motherboard.
Figure 1. Hybrid Demonstrator Board Setup
The Ezairo 7150 SL hybrid is packaged in a 49-pin ball
grid array (BGA) package that is used on the hybrid
demonstrator board.
The Ezairo 7150 SL hybrid demonstrator board can be
powered from different sources via the motherboard:
1. A programmer (see “Introduction” section for
a list of supported programmers).
2. An external power source.
3. A hearing aid battery.
Development Board Design
The following sections detail the various sub-circuits of
the Ezairo 7150 SL hybrid demonstrator board; both boards
are outlined. The block diagram in Figure 2 shows the
locations of the various circuit sections for the motherboard.
Figure 2. Motherboard Circuit Location Block Diagram
