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Table 2-10. SPI master mode onboard devices
Device
Voltage range
SPI CS
SC16IS740IPW
3.3 V
SPI_CS0
Ardiuno Shield J2 connector
3.3 V
SPI_CS1
2.13 Ardiuno
The FRDM-LS1012A board supports a Freedom board or an Ardiuno shield on
connectors J1 to J4 to provide broad range of board expansion options.
Arduino supports following interfaces:
• SPI connectivity from the LS1012A on CS1.
• UART connectivity through the LS1012A SPI to the UART bridge.
• I2C connectivity from the LS1012A.
2.14 JTAG port
The FRDM-LS1012A consists of the LS1012A SoC and the K20 microcontroller, each of
which have dedicated debug connectors.
• J9 and J10 can be used by external debuggers, such as CWTAP, DSTREAM to
debug LS1012A and K20 respectively
• Apart from the JTAG connectors, the K20 MCU can be used as a CMSIS DAP on
the FRDM-LS1012A. The CMSIS DAP provides low speed debug functionality for
LS1012A.
2.14.1 CMSIS-DAP
This section describes the MBED circuit on the LS1012AFRDM. MBED is an open
standard serial and debug adapter. It bridges serial and debug communications between a
USB host and an embedded target processor, as shown in the figure below.
Ardiuno
QorIQ FRDM-LS1012A Board Reference Manual, Rev. 3, 12/2016
24
NXP Semiconductors
Содержание QorIQ FRDM-LS1012A
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