5.3. O
PTION
L
INK
S
ELECTION
The following sections show the option links that apply to each peripheral device. The tables all use the same key of symbols
which is given below:
X – Groups of options one set of which must be fitted for correct operation of the EDK.
O – Groups of options which if fitted must be connected in the groups as shown by the table row.
S – Optional selection that will enable or disable specific device functions as listed.
!
– Options which when incorrectly fitted may damage the board or attached devices.
5.3.1. RST – R
ESET
F
UNCTION
The HD643687GFP device includes a built in reset control circuit.
C C C C C C
R R R R R R
2 3 4 8 9 10
Internal
X X
Default
RST
External
X X X X
T
ABLE
5-2: O
PTION
L
INKS
The alternate settings can be fitted without damage to the device.
5.3.2. LIN – LIN I
NTERFACE
The LIN interface is not fitted by default. The transceiver can be connected to two groups of pins. The SCI2 (56,57,58) pins
are shared with the CAN transceiver, do not use this selection when the CAN transceiver is fitted.
SCI2 SCI2 R R R R R R R R R R R
48,49,50 56,57,58 12 27 26 29 30 31 32 41 45 46 47
SCI O O O Default
SCI O
O O
NWAKE
!
!
NSLP
S
FTOA0
S
IRQ3n
S
MASTER
X
SLAVE
X
LIN
POWER
!
T
ABLE
5-3: O
PTION
L
INKS
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