EVB-VF522R3 Platform User’s Guide, Rev. 0, 11/2014
Freescale Semiconductor, Inc.
33
Configuration settings
J2
DSP mode
of operation
1-2
1
Slave (from MCU)
2-3
3
Master (from SPI Serial Flash)
J3
DSP Flash
“Chip Enable” control
1-2
1
By MCU (for DSP Slave mode)
2-3
3
By DSP & DSP debug header
(for Master mode)
J4*
MCU
USB0 PHY
power source
1-2
1
Self-powered
2-3
3
Bus-powered (from P9)
Removed
---
Unpowered
J6
Optional 1.2V linear
regulator output control
Removed
---
Enabled
Fitted
---
Disabled
J7*
MCU USB1 PHY power
control
Fitted
---
Powered
Removed
---
Unpowered
J8
MCU VBAT
power source
1-2
1
From main MCU 3.3V rai
l
2-3
3
From backup battery
Removed
---
Unpowered
J9*
Main 3.3V power for MCU
Fitted
---
Provided
(Removed)
---
(Not recommended)
J14, J15
MCU
Boot Mode
J15
(MOD[1])
J14
(MOD[0])
BOOTMOD[1..0]
Boot Mode
1-2 (Low)
1-2 (Low)
00
Internal fuses
1-2 (Low)
2-3 (High)
01
Serial Download
2-3 (High)
1-2 (Low)
10
RCON Switches
2-3 (High)
2-3 (High)
11
(Reserved)
J16, J17
Transceiver
selected
1-2
1 / SCI
SCI (RS232)
2-3
3 / LIN
LIN
Removed
---
None selected
J18, J19
Interface
selected
1-2
1
Touchscreen
2-3
3
I
2
C
Removed
---
None selected
P21
LIN
interface power
source
Removed
---
From Molex connector
Fitted
---
Local
P23
CAN termination control
Removed
---
OFF
Fitted
---
ON
P24
Power from EVB over CAN
cable
Removed
---
OFF
Fitted
---
ON
Table 15. Configuration settings