Ad7147 Addr0 Jumper (Jp1); Lcd Spi Chip Select Jumper (Jp2) - Analog Devices Blackfin Landscape LCD EZ-Extender ADZS-BFLLCD-EZEXT Manual

Jumper Settings

AD7147 ADDR0 Jumper (JP1)

The AD7147
ADDR0
used to communicate to the AD7147 touch controller via the TWI inter-
face of the processor. By default,
jumper is installed, the
(see Table 2-1).
Table 2-1. JP1 Settings
AD7147 ADDR0
ADDR0 = logic '0'
= logic '1'
ADDR0

LCD SPI Chip Select Jumper (JP2)

The LCD
SPICS
peripheral interconnect (SPI) interface of the LCD display to one of three
SPI select pins of the Blackfin processor.
of the available SPI select pins (
(see Table 2-2).
By default,
JP2
interface II or the parallel peripheral interface (PPI) stamp connector can
be used. When the PPI stamp connector is used to attach the extender,
is unavailable and only
SPISEL3
Table 2-2. JP2 Settings
Functionality
LCD SPICS connected to SPISEL1
LCD connected to
SPICS
LCD connected to
SPICS
2-4
jumper ( ) changes the least significant address bit
JP1
JP1
bit is pulled low and is a logic '
ADDR0
jumper ( ) connects the chip select pin of the serial
JP2
SPISEL1—3
is populated, so that the
SPISEL1
SPISEL2
SPISEL3
Blackfin Landscape LCD EZ-Extender Manual
requires no jumpers. When no
JP1 Setting
No jumper installed (default)
Jumper installed
allows you to choose any one
JP2
) of the processor
pin of the expansion
SPISEL1
and are available for
SPISEL2
JP2 Setting
JP2.1 and JP2.2 (default)
and
JP2.3 JP2.4
and
JP2.5 JP2.6
'
0
.
JP2