Datasheet

Figure 19. MikroBUS pin specifications
The FRWY-LS1046A mikroBUS socket supports different types of add-on boards, called click boards, which can be accessed
through SPI, UART3, PWM, or I2C interface. On the FRWY-LS1046A, following interfaces are used with the LS1046A processor
for click boards:
• SPI on click boards can be accessed through SPI of the LS1046A processor using CS0
• UART on click boards can be accessed through UART3 of the LS1046A processor
• I2C on click boards can be accessed through I2C1 of the LS1046A processor using I2C multiplexer
The figure below shows the FRWY-LS1046A mikroBUS socket diagram.
LS1046A
SPI_S OUT
SPI_S IN
SPI_S CK
OVDD
(1.8V)
Level
Translator
s
1.8V>3.3V
uBUS1_SP I_MISO
uBUS 1_SPI_MOSI
uBUS1_SP I_CLK
uBUS 1_SPI_CS0_B
74LVC2T45DC
SPI_P CS 0
Level
Translator
s
1.8V>3.3V
Level
Translator
s
1.8V>3.3V
Level
Translator
s
1.8V>3.3V
Level
Translators
1.8V>3.3V
MikroBUS socket
3V3
5V
Level
Translators
1.8V>3.3V
NTB 0102G
uBUS 1_AN
uBUS 1_PWM
FTM7_CH0
GPIO3_21
LVDD (1.8V)
74AUP1G09GW
uBUS1_RST
GPIO3_25
SW _uB US 1_R ST
PO RE S ET_B
Addr = 0x77
PCA9546APW
3V3
I2C1_CH0
0
1
2
3
I2C1_M2CARD1
I2C1_M2CARD2
I2C1_uBUS _SCL
I2C1_uBUS _SDA
3.3V
I2C1_SDA
I2C1_SCL
UART3_SIN
UART3_SOUT
DVDD
(3.3V)
uBUS 1_UART_SIN
uBUS 1_UART_S OUT
IRQ7
uBUS 1_INT
B LE Module
B LE -P -Click
B E E Module
B E E -Click
NFC Module
NFC-Click
Figure 20. MikroBUS socket diagram
FRWY-LS1046A Functional Description
Layerscape FRWY-LS1046A Board Reference Manual, Rev. 0, 26 April 2019
32
NXP Semiconductors