Datasheet

32 static inline void uart_unreset(uart_inst_t *uart) {
33 invalid_params_if(UART, uart != uart0 && uart != uart1);
34 unreset_block_wait(uart_get_index(uart) ? RESETS_RESET_UART1_BITS :
Ê RESETS_RESET_UART0_BITS);
35 }
2.14.3. List of Registers
The reset controller registers start at a base address of 0x4000c000 (defined as RESETS_BASE in SDK).
Table 212. List of
RESETS registers
Offset Name Info
0x0 RESET Reset control.
0x4 WDSEL Watchdog select.
0x8 RESET_DONE Reset done.
RESETS: RESET Register
Offset: 0x0
Description
Reset control. If a bit is set it means the peripheral is in reset. 0 means the peripheral’s reset is deasserted.
Table 213. RESET
Register
Bits Name Description Type Reset
31:25 Reserved. - - -
24 USBCTRL RW 0x1
23 UART1 RW 0x1
22 UART0 RW 0x1
21 TIMER RW 0x1
20 TBMAN RW 0x1
19 SYSINFO RW 0x1
18 SYSCFG RW 0x1
17 SPI1 RW 0x1
16 SPI0 RW 0x1
15 RTC RW 0x1
14 PWM RW 0x1
13 PLL_USB RW 0x1
12 PLL_SYS RW 0x1
11 PIO1 RW 0x1
10 PIO0 RW 0x1
9 PADS_QSPI RW 0x1
8 PADS_BANK0 RW 0x1
7 JTAG RW 0x1
6 IO_QSPI RW 0x1
RP2040 Datasheet
2.14. Subsystem Resets 201