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TWL stuff →Device 3
Line 416:
Line 416:
| d
| d
| wo
| wo
−| ??? switches up input bits from <code>0123456--</code> to <code>12-0435-</code> then writes them to REG[0x5D] (<code>0xFFC02</code>)
+| Used in legacy mode to signal events for TWL MCU "emulation" (written to REG[0x5D])? Software then asserts the TWL MCU IRQ pin via [[#LGY_GPIOEMU_MASK|Legacy I/O registers]].
+ bit0: Signal TWL POWER button click
+ bit1: Signal TWL reset
+ bit2: Signal TWL power off
+ bit3: Signal TWL battery low
+ bit4: Signal TWL battery empty
+ bit5: Signal TWL volume button click
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| 0x22
| 0x22