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44 lines
1.9 KiB
ReStructuredText
44 lines
1.9 KiB
ReStructuredText
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.. _rb_gpio:
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===================
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GPIO register block
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===================
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The GPIO register block has a header with type 0x0000C100, version 0x00000100, and contains GPIO control registers.
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======== ============= ====== ====== ====== ====== =============
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Address Field 31..24 23..16 15..8 7..0 Reset value
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======== ============= ====== ====== ====== ====== =============
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RBB+0x00 Type Vendor ID Type RO 0x0000C100
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-------- ------------- -------------- -------------- -------------
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RBB+0x04 Version Major Minor Patch Meta RO 0x00000100
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-------- ------------- ------ ------ ------ ------ -------------
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RBB+0x08 Next pointer Pointer to next register block RO -
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-------- ------------- ------------------------------ -------------
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RBB+0x0C GPIO in GPIO in RO -
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-------- ------------- ------------------------------ -------------
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RBB+0x10 GPIO out GPIO out RW -
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======== ============= ============================== =============
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See :ref:`rb_overview` for definitions of the standard register block header fields.
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.. object:: GPIO in
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The GPIO in field reads the input signal states.
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======== ====== ====== ====== ====== =============
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Address 31..24 23..16 15..8 7..0 Reset value
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======== ====== ====== ====== ====== =============
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RBB+0x0C GPIO in RO -
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======== ============================== =============
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.. object:: GPIO out
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The GPIO out field controls the output signal states.
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======== ====== ====== ====== ====== =============
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Address 31..24 23..16 15..8 7..0 Reset value
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======== ====== ====== ====== ====== =============
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RBB+0x10 GPIO out RW -
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======== ============================== =============
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