Reset Register: Difference between revisions

Revision as of 11:32, 11 November 2019

Number	TBRegisterNumber::$02
Readable	TBRegisterReadable::Yes
Writable	TBRegisterWritable::Yes
Short Description	ShortDesc::Identifies type of last reset. Can be written to force reset.

Read:

 bit 7 = Indicates the reset signal to the expansion bus and esp is asserted
 bits 6:2 = Reserved
 bit 1 = Indicates the last reset was a hard reset
 bit 0 = Indicates the last reset was a soft reset
 * Only one of bits 1:0 will be set

Write:

 bit 7 = Assert and hold reset to the expansion bus and the esp wifi (hard reset = 0)
 bits 6:2 = Reserved, must be 0
 bit 1 = Generate a hard reset (reboot)
 bit 0 = Generate a soft reset
 * Hard reset has precedence

@@ Line 5: / Line 5: @@
 |ShortDesc=Identifies type of last reset. Can be written to force reset.
 }}
-{| class="wikitable"
+Read:
-! Bit
+  bit 7 = Indicates the reset signal to the expansion bus and esp is asserted
-! Function
+  bits 6:2 = Reserved
-|-
+  bit 1 = Indicates the last reset was a hard reset
-| 7 || Reserved (write 0)
+  bit 0 = Indicates the last reset was a soft reset
-|-
+  * Only one of bits 1:0 will be set
-| 6 || Reserved
+Write:
-|-
+  bit 7 = Assert and hold reset to the expansion bus and the esp wifi (hard reset = 0)
-| 5 || Reserved
+  bits 6:2 = Reserved, must be 0
-|-
+  bit 1 = Generate a hard reset (reboot)
-| 4 || Reserved
+  bit 0 = Generate a soft reset
-|-
+  * Hard reset has precedence
-| 3 || Reserved
-|-
-| 2 || Read-only, indicates power-on reset
-|-
-| 1 || Indicates hard reset. Writing 1 causes a hard reset.
-|-
-| 0 || Indicates soft reset. Writing 1 causes a soft reset.
-|}