1
1
2
2
3
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4
4
5
5
6
6
D D
C C
B B
A A
5
200 Scenic View Dr.
Cumberland, RI 02864 78/4/2020 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
0.22uF
6.3V
C221
30.1K
R304
0.22uF
6.3V
C218
0.22uF
6.3V
C219
0.22uF
6.3V
C220
4.7uF
6.3V
C217
One Cap per Pin
L1
4.7uH
0.22uF
6.3V
C213
0.22uF, 6.3VC236
0.22uF, 6.3VC239
0.22uF, 6.3VC242
0.22uF
6.3V
C229
4.7uF
6.3V
C228
0.22uF
6.3V
C234
0.22uF
6.3V
C244
1uF
6.3V
C243
MCU_DCDC+3V3
1 3
2
4
GND
X2
24MHz
18pF
50V
C247
18pF
50V
C248
GND
GND
0.22uF
6.3V
C233
GND
GND
4.7uF, 6.3VC230
0.22uF, 6.3VC225
4.7uF, 6.3VC232
0.22uF, 6.3VC231
GND
GPIO_AD_B0_06
E14
GPIO_AD_B0_04
F11
GPIO_AD_B0_07
F12
GPIO_AD_B0_08
F13
GPIO_AD_B0_09
F14
GPIO_AD_B0_11
G10
GPIO_AD_B0_03
G11
GPIO_AD_B0_10
G13
GPIO_AD_B0_05
G14
GPIO_AD_B0_01
H10
GPIO_AD_B0_14
H14
GPIO_AD_B0_12
K14
GPIO_AD_B0_15
L10
GPIO_AD_B0_13
L14
GPIO_AD_B0_02
M11
GPIO_AD_B0_00
M14
GPIO_AD_B1_14
G12
GPIO_AD_B1_13
H11
GPIO_AD_B1_12
H12
GPIO_AD_B1_08
H13
GPIO_AD_B1_00
J11
GPIO_AD_B1_06
J12
GPIO_AD_B1_11
J13
GPIO_AD_B1_15
J14
GPIO_AD_B1_07
K10
GPIO_AD_B1_01
K11
GPIO_AD_B1_05
K12
GPIO_AD_B1_02
L11
GPIO_AD_B1_04
L12
GPIO_AD_B1_10
L13
GPIO_AD_B1_03
M12
GPIO_AD_B1_09
M13
GPIO_B0_06
A8
GPIO_B0_07
A9
GPIO_B0_11
A10
GPIO_B0_05
B8
GPIO_B0_08
B9
GPIO_B0_04
C8
GPIO_B0_09
C9
GPIO_B0_12
C10
GPIO_B0_00
D7
GPIO_B0_03
D8
GPIO_B0_10
D9
GPIO_B0_13
D10
GPIO_B0_01
E7
GPIO_B0_02
E8
GPIO_B0_14
E10
GPIO_B0_15
E11
GPIO_B1_00
A11
GPIO_B1_08
A12
GPIO_B1_09
A13
GPIO_B1_01
B11
GPIO_B1_07
B12
GPIO_B1_10
B13
GPIO_B1_15
B14
GPIO_B1_02
C11
GPIO_B1_06
C12
GPIO_B1_11
C13
GPIO_B1_14
C14
GPIO_B1_03
D11
GPIO_B1_05
D12
GPIO_B1_12
D13
GPIO_B1_13
D14
GPIO_B1_04
E12
NVCC_GPIO
E9
NVCC_GPIO
F10
NVCC_GPIO
J10
U33B MIMXRT1061DVL6B
22uF
6.3V
C216
4.7uF
6.3V
C238
22uF
6.3V
C237
4.7uF, 6.3VC235
4.7uF
6.3V
C222
0.22uF
6.3V
C223
0.22uF
6.3V
C224
GND
+3V3
2.21M
R319
PMIC_ON_REQ 7
10.0K
R305
D31
BAT54
+3V3
10.0K
R331
10.0K
R332
GND
10.0KR306
10.0KR307
10.0KR308
10.0KR309
10.0KR310
10.0KR311
10.0KR312
10.0KR313
10.0KR314
10.0KR315
10.0KR316
10.0KR317
BOOT_MODE0
BOOT_MODE1
22uF
6.3V
C214
10uF
10V
C215
GND
DCDC_SENSE
J5
DCDC_PSWITCH
K3
DCDC_IN_Q
K4
DCDC_IN_1
L1
DCDC_IN_2
L2
DCDC_LP
M1
DCDC_LP
M2
DCDC_GND_1
N1
DCDC_GND_2
N2
VSS
A1
VSS
A14
VSS
B5
VSS
B10
VSS
E2
VSS
E13
VDD_SOC_IN
F6
VDD_SOC_IN
F7
VDD_SOC_IN
F8
VDD_SOC_IN
F9
VDD_SOC_IN
G6
VSS
G7
VSS
G8
VDD_SOC_IN
G9
VDD_SOC_IN
H6
VSS
H7
VSS
H8
VDD_SOC_IN
H9
VSS
J7
VSS
J8
VDD_SOC_IN
J9
VSS
K2
TEST_MODE (VSS)
K6
PMIC_ON_REQ
K7
NGND_KEL0
K9
VSS
K13
WAKEUP
L6
PMIC_STBY_REQ
L7
VSS
L9
ON/OFF
M6
POR_B
M7
VDD_SNVS_IN
M9
VDD_SNVS_CAP
M10
VSS
N5
VSS
N8
RTC_XTALI
N9
GPANAIO (NC)
N10
XTALO
N11
VDDA_ADC_3P3
N14
VSS
P1
VDD_HIGH_CAP
P8
RTC_XTALO
P9
XTALI
P11
VDD_HIGH_IN
P12
VSS
P14
NVCC_PLL
P10
CCM_CLK1_P
N13
CCM_CLK1_N
P13
U33A MIMXRT1061DVL6B
GND
POR#
SWO
SWDCLK
SWDIO
SWO
SWDCLK
SWDIO
GND
GND
0.22uF
6.3V
C245
GND
1
RESET
2
VDD
3
U34
TLV803S
1
2
3
4
5
6
J16
SIL UNSHROUDED 2.54mm
DEBUG UART (FTDI CABLE)
GNDGND
nCTS
VCC
TX
RX
nRTS
10.0K
R340
+3V3
DEBUG_RXD
1
23
Q31
BSS138
47.5K
R334
47.5K
R333
+3V3
DEBUG_TXD
ISOLATOR
1
2
3
4
5
6
7
8
9
10
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
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
UART5_TX
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)
GPIO1_14
The ADC pins can be
routed to either ADC1
or ADC2 in the MCU.
TIMER_INPUT0
FLEXPWM2_PWM3_A
PWM1_B3
GPIO1_03
ENC1_PHASE_A
ENC1_PHASE_B
BOOT_MODE0
BOOT_MODE1
GPIO1_15
+3V3
UART1_TXD
VDDA
VBUS_DET1
VBUS_DET2
GND
GND
Output driver impedances can be adjusted
between 23 ohms and 157 ohms.
Enables LEDs after initialization.
1,000pF
50V
C246
+3V3
POR#
JTAG_TMS
JTAG_TCK
JTAG_TDO
L2
0.0nH
+3V3
L3
0.0nH
GND VSSA
1
2
J17
10.0K
R330
1
2
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
10.0K
R335
BOOT_MODE1 BOOT_MODE0
BOOT_MODE0
BOOT_MODE1
Was SoundSwitch Tx
ADC_05
ADC_06
ADC_07
ADC_08
ADC_09
ADC_10
ADC_11
ADC_12
ADC_13
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.
UART1_RXD
GPIO_SD_B0_04
H2
GPIO_SD_B0_02
J1
GPIO_SD_B0_05
J2
GPIO_SD_B0_01
J3
GPIO_SD_B0_00
J4
GPIO_SD_B0_03
K1
GPIO_SD_B1_06
L3
GPIO_SD_B1_07
L4
GPIO_SD_B1_00
L5
GPIO_SD_B1_02
M3
GPIO_SD_B1_03
M4
GPIO_SD_B1_01
M5
GPIO_SD_B1_05
N3
GPIO_SD_B1_09
N4
GPIO_SD_B1_04
P2
GPIO_SD_B1_08
P3
GPIO_SD_B1_10
P4
GPIO_SD_B1_11
P5
NVCC_SD0
J6
NVCC_SD1
K5
U33D MIMXRT1061DVL6B
0.22uF
6.3V
C227
4.7uF
6.3V
C226
GND
+3V3
MOTOR_MISO 6
MOTOR_SCK 6
MOTOR1_CS# 6
MOTOR_MOSI 6
ENC2_PHASE_A
ENC2_PHASE_B
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
GPIO_EMC_27
A2
GPIO_EMC_20
A3
GPIO_EMC_17
A4
GPIO_EMC_16
A5
GPIO_EMC_13
A6
GPIO_EMC_40
A7
GPIO_EMC_15
B1
GPIO_EMC_18
B2
GPIO_EMC_26
B3
GPIO_EMC_19
B4
GPIO_EMC_14
B6
GPIO_EMC_39
B7
GPIO_EMC_21
C1
GPIO_EMC_09
C2
GPIO_EMC_36
C3
GPIO_EMC_33
C4
GPIO_EMC_31
C5
GPIO_EMC_30
C6
GPIO_EMC_41
C7
GPIO_EMC_28
D1
GPIO_EMC_25
D2
GPIO_EMC_24
D3
GPIO_EMC_34
D4
GPIO_EMC_32
D5
GPIO_EMC_38
D6
GPIO_EMC_29
E1
GPIO_EMC_00
E3
GPIO_EMC_37
E4
GPIO_EMC_35
E5
GPIO_EMC_22
F1
GPIO_EMC_04
F2
GPIO_EMC_01
F3
GPIO_EMC_02
F4
GPIO_EMC_10
G1
GPIO_EMC_23
G2
GPIO_EMC_11
G3
GPIO_EMC_03
G4
GPIO_EMC_05
G5
GPIO_EMC_12
H1
GPIO_EMC_08
H3
GPIO_EMC_07
H4
GPIO_EMC_06
H5
NVCC_EMC
E6
NVCC_EMC
F5
U33C MIMXRT1061DVL6B
0.22uF
6.3V
C241
4.7uF
6.3V
C240
+3V3
GND
Serial NOR over FlexSPI
GND
+3V3
0.22uF
6.3V
C251
NOR FLASH
QUAD-SPI W/DTR
10.0KR327
CE
1
IO1/SO
2
IO2/WP
3
GND
4
IO3/HOLD/RESET
7
SCK
6
IO0/SI
5
VCC
8
U35
IS25LP080D
FLEXSPI_A_DATA3
FLEXSPI_A_DATA2
FLEXSPI_A_DATA1
FLEXSPI_A_DATA0
FLEXSPI_A_SCLK
FLEXSPI_A_SS0#
GND
100pF, 50VC250
100pF, 50VC252
100pF, 50VC253
100pF, 50VC254
VSSA
Place near MCU pins
100pF, 50VC249
LED1
LED2
SPI1_SCK
SPI1_CS0
SPI1_SDO
SPI1_SDI
10.0KR336
10.0KR337
10.0KR338
HW Revision = 0
GND
HWVER0
HWVER1
HWVER2
SPI4_CS0
SPI4_SCK
SPI4_SDO
SPI4_SDI
FLEXSPI_A_DATA3
FLEXSPI_A_DATA2
FLEXSPI_A_DATA1
FLEXSPI_A_DATA0
FLEXSPI_A_SCLK
FLEXSPI_A_SS0#
FLEXSPI_A_DQS
DEBUG_TXD
DEBUG_RXD
UART5_RX
GPIO1_25
GPIO1_26
SPI3_SCK
SPI3_SDO
SPI3_SDI
GPIO1_27
GPIO1_28
GPIO1_29
GPIO1_30
GPIO1_31
GPIO2_00
HWVER0
HWVER1
HWVER2
HWVER3
10.0KR339HWVER3
22.1R318
MOTOR2_CS# 6SPI1_CS2
1.00KR320
LED1
RED
GND
1.00KR321
LED2
RED
LED1
LED2
1uF
25V
C258
10uF
10V
C260
GND
USB_OTG1_DP
L8
USB_OTG1_DN
M8
USB_OTG1_VBUS
N6
USB_OTG2_DN
N7
USB_OTG1_CHD_B
N12
USB_OTG2_VBUS
P6
USB_OTG2_DP
P7
VDD_USB_CAP
K8
U33E MIMXRT1061DVL6B
USB1_D_N
0.22uF
6.3V
C259
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.
1uF
25V
C257
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
ENC3_PHASE_A
ENC4_PHASE_A
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
1
2 3
Q29
BSS138
1
3 2
Q27
BSS84
10.0K
R322
10.0K
R324
+3V3
USB1_VBUS
0.22uF
6.3V
C255
VBUS_DET2
1
2 3
Q30
BSS138
1
3 2
Q28
BSS84
10.0K
R323
USB2_VBUS
0.22uF
6.3V
C256
GND GND
15.0K
R328
15.0K
R329
10.0K
R325
10.0K
R326
I2C_SDA 3
I2C_SCL 3
USB1_VBUS7
USB2_VBUS7
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
GPIO2_01
GPIO2_02
GPIO2_24
GPIO4_00
GPIO4_16
GPIO4_17
GPIO4_28
GPIO4_29
GPIO4_30
GPIO4_31
10.0K
R371
+3V3
GND
nXF_SPI_CS 6
XF_SPI_MISO 6
XF_SPI_MOSI 6
XF_SPI_SCK 6
LPI2C3_SDA
LPI2C3_SCL
10.0KR231 GND
1
2
3
S3A
SLIDER 2P2T
7
8
S3C
SLIDER 2P2T
4
5
6
S3B
SLIDER 2P2T
GPIO2_16
GPIO2_17
GPIO2_18
nEN-C 6
nEN-L 6
nEN-R 6
GPIO4_18
GPIO4_19
GPIO4_20
GPIO4_15
GPIO4_14
GPIO4_13
Switch and
LED bank
selections
Pot Mux
Addresses
nLEDS-OE 6
FAN_PWM 7
0.22uF
6.3V
C277
0.22uF
6.3V
C278
0.22uF
6.3V
C279
0.22uF
6.3V
C280
0.22uF
6.3V
C281
0.22uF
6.3V
C276
+3V3
GND
Plane Stitching
10.0KR366
1,000pF
50V
C162
TP3
TP4
TP5
TP66
TP6
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