EVB-VF522R3 Platform User’s Guide, Rev. 0, 11/2014
30
Freescale Semiconductor, Inc.
MCU I/O connections and pin usage
NOTE
The daughtercard Reset input is connected to output 5 of the Peripheral
Reset-Control Multiplexer (see
Section 7, “Peripheral reset-control
”). When reset, its outputs are in the high-impedance state, but,
thanks to a pull-down resistor on the reset line, the daughtercard is reset
until the line is actively driven by the MCU via the Peripheral Reset-Control
Multiplexer.
CAUTION
Ensure that the EVB is powered OFF prior to fitting or removal of the
daughtercard.
15 MCU I/O connections and pin usage
provides a useful cross-reference to see what MCU port pins are used and shared by the various
EVB peripherals and functions.
Signal
Pin No
Pin No
Signal
---
25
26
---
GND
27
28
3.3V
GND
29
30
GND
Table 14. Pin usage and sharing
EVB Function
1
st
Used Function
of MCU Pin(s)
2
nd
Used Function of
MCU Pin(s)
Shared with EVB
Function(s)
Peripheral
Reset-Control
I
2
C1_SDA
CAN1_TX
Touchscreen, Tuner
I
2
C1_SCL
CAN1_RX
Touchscreen, Tuner
Reset Control
FB_AD26
P14 (unused digital GPIOs)
Boot Mode
BOOTMOD[0]
DCU0_VSYNC
DCU
BOOTMOD[1]
DCU0_HSYNC
DCU
RCON
RCON[0..17]
DCU0_R/G/B[2..7]
DCU
RCON[18..20]
RMII0_x
MAC (Ethernet)
RCON[21,23]
SAI0_x
Bluetooth
RCON22
SAI0_RX_SYNC
Preset SW3
RCON[24..29]
SAI1_x (all)
DSP (including dedicated
Flash),
Microphones, Touchscreen
RCON[30..31]
FTM0CH[1..2]
QuadSPI1 (Flash C)
Table 13. Bluetooth daughtercard header
