Analog Devices ADSP-21992 EZ-KIT LITE, Системное руководство

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ADSP-21992 EZ-KIT Lite Evaluation System Manual 3-13
EZ-KIT Lite Hardware Reference
Ground Plane Link (JP1)
JP1
is a link that connects the analog and digital ground planes of the
ADSP-21992 EZ-KIT Lite board.
!
For correct operation, do not remove this link.
External/Internal DSP Reset Selection Jumper (JP2)
JP2
enables you to select the source of reset for the ADSP-21992. When
JP2
is in the 1-2 position, the ADSP-21992 can be reset from three exter-
nal sources: pushbutton switch (
S1
), the external power-on reset IC
(ADM708), or the USB interface circuitry on the ADSP-21992 EZ-KIT
Lite board.
JP21
Open RS-232 circuit jumper
JP22
No shunt required CAN circuitry jumper
JP23
Open CAN circuitry jumper
JP24
Closed External SRAM memory IC select
JP25
Open External SRAM memory IC select
JP26
Open External SRAM memory IC select
JP27
Open External SRAM memory IC select
JP28
Open External interface circuitry jumper
JP29
Open External interface circuitry jumper
JP30
Open External interface circuitry jumper
JP31
Open External Flash memory IC select
Table 3-2. Jumpers on the ADSP-21992 EZ-KIT Lite Board (Cont’d)
Reference Jumper Settings Description