I2C Registers: Difference between revisions

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 | d
 | 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
 |-
 | 0x22