Datasheet

Table 88. SPINLOCK10
Register
Bits Name Description Type Reset
31:0 NONAME Reading from a spinlock address will:
- Return 0 if lock is already locked
- Otherwise return nonzero, and simultaneously claim the
lock
Writing (any value) releases the lock.
If core 0 and core 1 attempt to claim the same lock
simultaneously, core 0 wins.
The value returned on success is 0x1 << lock number.
RO 0x00000400
SPINLOCK11 Register
Table 89. SPINLOCK11
Register
Bits Name Description Type Reset
31:0 NONAME Reading from a spinlock address will:
- Return 0 if lock is already locked
- Otherwise return nonzero, and simultaneously claim the
lock
Writing (any value) releases the lock.
If core 0 and core 1 attempt to claim the same lock
simultaneously, core 0 wins.
The value returned on success is 0x1 << lock number.
RO 0x00000800
SPINLOCK12 Register
Table 90. SPINLOCK12
Register
Bits Name Description Type Reset
31:0 NONAME Reading from a spinlock address will:
- Return 0 if lock is already locked
- Otherwise return nonzero, and simultaneously claim the
lock
Writing (any value) releases the lock.
If core 0 and core 1 attempt to claim the same lock
simultaneously, core 0 wins.
The value returned on success is 0x1 << lock number.
RO 0x00001000
SPINLOCK13 Register
RP2040 Datasheet
2.3. Processor subsystem 68