5.5.3.1 Line In Selection Jumpers
The EZ-KIT Lite uses a single stereo phone jack for line in and the microphone.
JP1 and JP2 are use to select between the two functions. The valid settings for
these jumpers are shown in Table 5-6.
Table 5-6
Line In Selection
JP1 JP2 Description
Mic Mic Microphone
In
Mic Line
INVALID
Line Mic INVALID
Line Line Line
In
5.5.3.2 AD1819 Codec Selection Jumper
SPORT1 is shared between the AD1819 and the EMAFE interface. Jumper JP3
disables the drive capability of the AD1819 on the SPORT1 lines, thereby
preventing contention between the two devices. When SPORT1 is not used by
the EMAFE device or an EMAFE device is not installed, JP3 should be
connected to ground, enabling the AD1819.
Table 5-7
AD1819 Codec Selection
JP3 Description
3.3V
CC
EMAFE selected (AD1819 disabled)
GND
AD1819 selected (factory default)
5.6 EPROM Operation
The EPROM shipped with the EZ-KIT Lite is a 256K x 8 bit EPROM. The socket can
accommodate a 128K x 8, 256K x 8, 512K x 8, or a 1M x 8 bit EPROM. If any of these other
EPROMS are used, jumpers JP4 and JP5 should be changed to route the correct signals to the
EPROM. Settings for these jumpers are shown in Table 5-4.
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