NXP Semiconductors
FS4500/FS6500 evaluation boards
KTFRDMFS4500-FS6500EVMUG
FS4500/FS6500 evaluation boards
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User guide
Rev. 4.0 — 12 June 2017
13 / 34
Pin number
Connection
Description
7
FS0B
Fail-safe 0.
8
MOSI
SPI Master Output Slave Input
9
Not Connected
10
MISO
SPI Master Input Slave Output
11
Not Connected
12
SCLK
SPI serial clock
13
Not Connected
14
GND
Ground
15
Not Connected
16
Not Connected
17
Not Connected
18
Not Connected
19
TXL
LIN transmit data. Logic level.
20
Not Connected
4.5.4.3 CAN and LIN connector (J3)
The CAN and LIN connector is mounted on all three boards, but LIN is supported only on
the FRDMFS6522LAEVB.
Table 9. CAN & LINconnector (J3)
Pin number
Connection
Description
1
CANH
Connects to the CANH bus line
2
CANL
Connects to CANL bus line
3
LIN
Connects to the LIN bus
4
GND
Connects to ground
4.5.4.4 Debug connector (J9_FRDM)
The debug connector provides access to DBG as well as FS1b and reset.
Table 10. USB connector (J33)
Pin number
Connection
Description
1
Not Connected
2
Not Connected
3
FS1b
Fail-safe 1
4
P3V3_KL25Z
3.3V KL25Z supply
5
Not Connected
6
Not Connected
7
Not Connected
8
P3V3_KL25Z
3.3V KL25Z supply