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参照: NXP LPC55S1x PDS R1.5, 7.24.3節、
LPC55S2x PDS R2.0, 7.23.3節 *1
適用: NXP EdgeVerse LPC MCUs:
LPC55S16, LPC5516
LPC55S14, LPC5514
LPC5512
LPC55S28, LPC5528
LPC55S26, LPC5526
参照: NXP LPC55S1x RM R1.3, 6.2~6.3節 *1
Boot mode | ISP0 (PIO0_5) | Description |
---|---|---|
Passive boot | HIGH | The LPC55S1x/LPC551x will look for valid image in the internal flash, if no valid image is found, the LPC55S1x/LPC551x will enter ISP boot mode based on DEFAULT_ISP_MODE bits. |
ISP boot | LOW | One of the serial interfaces (UART0, I2C1, SPI3, HS_SPI, USB0-FS, USB1-HS) is used to download image from host into internal flash. The first valid probe message on USART, I2C, SPI or USB locks in that interface. |
ISP Boot mode | ISP_MODE | Description |
---|---|---|
Auto ISP | 000 | The LPC55S1x/LPC551x probes the active peripheral from one of below serial interfaces, and download image from the probed peripherals: UART0, I2C1, SPI3, HS_SPI, USB0-FS or USB1-HS. |
USB HID ISP | 001 | The USB HID class is used to download image of the USB0/1 port. (HS-USB is the default USB port). |
UART ISP | 010 | The UART is used to download the image. |
SPI Slave ISP | 011 | The SPI slave is used to download the image. |
I2C Slave ISP | 100 | The I2C slave is used to download the image. |
Disable ISP | 111 | Disable ISP mode. |