3.2.2 Configuration and Control
This figure shows the main block for processor configuration and control.
Pin Name | Type | Used for |
---|---|---|
XIN | Input | Main clock oscillator input |
XOUT | Output | Main clock oscillator output |
XIN32 | Input | Slow clock oscillator input |
XOUT32 | Output | Slow clock oscillator output |
NRST | Input | Processor main reset input |
NRST_OUT | Output | Processor reset output |
TST | Input | Reserved for processor manufacturing tests |
JTAGSEL | Input | When pulled high enables the JTAG boundary scan |
SHDN | Output | Signal used to enable and disable an external power supply circuit |
LPM | Output | Signal used to enable and disable the PMIC Low-Power mode |
WKUP0 | Input | Event detection input pin used to wake up the processor from Shutdown state |
QSPI0_CAL | Input | QSPI calibration |
SDMMC0_CAL | Input | SDMMC0 calibration |
SDMMC1_CAL | Input | SDMMC1 calibration |
SDMMC2_CAL | Input | SDMMC2 calibration |
AUDIOCLK | Output | Audio clock output |
ADVREFP | Input | Voltage reference for the embedded analog comparator |
HHSx_Dx | I/O | Three USB ports embedded inside the MPU |
HHSx_RTUNE | Input | USB external tuning |
MIPI_CLK_[P-N] | Input | MIPI differential input clock lanes |
MIPI_DP[0-1] | Input | MIPI differential input data lanes |
MIPI_REXT | Input | MIPI calibration |