Datasheet

Table 91. SPINLOCK13
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 0x00002000
SPINLOCK14 Register
Table 92. SPINLOCK14
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 0x00004000
SPINLOCK15 Register
Table 93. SPINLOCK15
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 0x00008000
SPINLOCK16 Register
RP2040 Datasheet
2.3. Processor subsystem 69