1
1
2
2
3
3
4
4
5
5
6
6
D
D
C
C
B
B
A
A
5
200 Scenic View Dr.
Cumberland, RI 02864
7
8/4/2020
Sheet:
of
NK49-Host-Micro.SchDoc
NK49-MAIN.PrjPcb
Originally Drawn By:
Project:
Sheet:
Variant:
Production
Last Modified By:
Last Modified:
Copyright 2018, inMusic Brands
All Rights Reserved
Rev I
C
218
C
219
C
220
C
217
One Cap per Pin
L1
4.7uH
C236
C239
C242
MCU_DCDC
+3V3
X2 24MHz
GND
GND
C233
GND
GND
C230
C225
C232
C231
GND
U33B
MIMXRT1061DVL6B
C
216
C
238
C
237
C235
C
22
C
223
C
2
GND
+3V3
PMIC_ON_REQ
7
D31
BAT54
+3V3
GND
R306
R307
R308
R309
R310
R311
R312
R313
R314
R315
R316
R317
BOOT_MODE0
BOOT_MODE1
GND
U33A
MIMXRT1061DVL6B
GND
POR#
SWO
SWDCLK
SWDIO
SWO
SWDCLK
SWDIO
GND
GND
C245
J16
SIL UNSHROUDED 2.54mm
DEBUG UART (FTDI CABLE)
GND
GND
nCTS
VCC
TX
RX
nRTS
+3V3
DEBUG_RXD
Q31
BSS138
+3V3
DEBUG_TXD
ISOLATOR
J14
DIL UNSHROUDED 1.27mm
VCC
SWDIO
GND
GND
SWCLK
SWO
N/U
N/U
GND
RESET
BOOT_CFG1_0
BOOT_CFG1_1
BOOT_CFG1_2
BOOT_CFG1_3
BOOT_CFG1_4
BOOT_CFG1_5
BOOT_CFG1_6
BOOT_CFG1_7
BOOT_CFG2_0
BOOT_CFG2_1
BOOT_CFG2_2
BOOT_CFG2_3
BOOT_CFG1[0] = 0 => xSPI FLASH Auto
Probe Disabled
BOOT_CFG1[1] = 0 => Ecrypted XIP
Disabled
BOOT_CFG1[3:2] = 0 => QSPI NOR
BOOT_CFG1[7:4] = 0000b => Serial NOR
boot via FlexSPI
BOOT_CFG2[2:0] = 000b => QSPI device
supports 3B read by default
BOOT_CFG2[3] = 0 => Infinite Loop
Disabled (debug)
The ADC pins can be
routed to either ADC1
or ADC2 in the MCU.
+3V3
VDDA
VBUS_DET1
VBUS_DET2
GND
GND
Output driver impedances can be adjusted
between 23 ohms and 157 ohms.
Enables LEDs after initialization.
+3V3
POR#
L2
0.0nH
+3V3
L3
0.0nH
GND
VSSA
J17
J15
GND
+3V3
Leave unpopulated for QSPI boot.
Populate both jumpers for serial
downloader mode
BOOT_MODE[1:0]
10 = Internal Boot (QSPI)
01 = Serial Downloader
BOOT_MODE1
BOOT_MODE0
BOOT_MODE0
BOOT_MODE1
Was SoundSwitch Tx
ADC_05
ADC_06
ADC_07
ADC_08
ADC_09
ADC_10
ARM Cortex-M7
600MHz Commercial Temp
1 MB RAM
LCD Controller
196-pim BGA 0.65mm
TP19
TP21
TP20
D32
BAT54
FlexSPI_DQS should be
kept floating to achieve
high-speed access.
U33D
MIMXRT1061DVL6B
C
227
C
226
GND
+3V3
MOTOR_MISO
6
MOTOR_SCK
6
MOTOR1_CS#
6
MOTOR_MOSI
6
CODEC_RST#
2, 3
SAI3_RX_D0
2
SAI3_TX_BCLK
3
SAI3_TX_SYNC
3
SAI3_MCLK
3
SAI3_TX_D0
3
If the SAI transmitter is configured for asynchronous
mode and the receiver is configured for synchronous
mode, then both transmitter and receiver will use the
transmitter bit clock and frame sync.
SWD DEBUG
U33C
MIMXRT1061DVL6B
C
C
+3V3
GND
Serial NOR over FlexSPI
GND
+3V3
NOR FLASH
QUAD-SPI W/DTR
R327
FLEXSPI_A_DATA3
FLEXSPI_A_DATA2
FLEXSPI_A_DATA1
FLEXSPI_A_DATA0
FLEXSPI_A_SCLK
FLEXSPI_A_SS0#
GND
C250
C252
C253
C254
VSSA
Place near MCU pins
C249
LED1
LED2
R336
R337
R338
HW Revision = 0
GND
HWVER0
HWVER1
HWVER2
FLEXSPI_A_DATA3
FLEXSPI_A_DATA2
FLEXSPI_A_DATA1
FLEXSPI_A_DATA0
FLEXSPI_A_SCLK
FLEXSPI_A_SS0#
DEBUG_TXD
DEBUG_RXD
GPIO1_27
GPIO1_28
GPIO1_29
GPIO1_30
HWVER0
HWVER1
HWVER2
HWVER3
R339
HWVER3
R318
MOTOR2_CS#
6
R320
LED1
RED
GND
R321
LED2
RED
LED1
LED2
C
2
C
2
GND
U33E
MIMXRT1061DVL6B
USB1_D_N
C
2
USB1_D_P
USB1_VBUS
USB2_VBUS
USB2_D_N
USB2_D_P
USB module is powered by VBUS.
Can be powered at any time without
harm.
C
2
VBUS_DET1
90 ohms differential impedance between
USB_D_N & USB_D_P on PCB and cable.
D29
BAT54
D30
BAT54
Errata: Leakage between USBOTG1 VBUS
and USBOTG2 VBUS may cause a port to
fail to detect a cable detach.
SPI-CLK
6
SPI-MOSI
6
SPI-RCLK
6
SPI-MISO
6
VNL0_ENC_RIGHT 6
VNL1_ENC_RIGHT 6
VNL0_ENC_LEFT
6
VNL1_ENC_LEFT
6
ADC-1
6
ADC-2
6
ADC-3
6
ADC-4
6
ADC-5
6
MUX-SEL-0
6
MUX-SEL-1
6
MUX-SEL-2
6
Q27
BSS84
R324
+3V3
USB1_VBUS
VBUS_DET2
USB2_VBUS
GND
GND
I2C_SDA
3
I2C_SCL
3
USB1_VBUS
7
USB2_VBUS
7
USB1_D_N
7
USB1_D_P
7
USB2_D_N
7
USB2_D_P
7
MOTOR TORQUE
ESD
ADC-1
ADC-2
ADC-3
ADC-4
ADC-5
ADC-1
ADC-2
ADC-3
ADC-4
ADC-5
+3V3
GND
nXF_SPI_CS
6
XF_SPI_MISO
6
XF_SPI_MOSI
6
XF_SPI_SCK
6
R231
GND
1
2
3
S3A
SLIDER 2P2T
7
8
S3C
SLIDER 2P2T
4
5
6
S3B
SLIDER 2P2T
nEN-C
6
nEN-L
6
nEN-R
6
Switch and
LED bank
selections
Pot Mux
Addresses
nLEDS-OE
6
FAN_PWM
7
+3V3
GND
Plane Stitching
R366
C162
TP3
TP4
TP5
TP66
TP6
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