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47 lines
1.7 KiB
ReStructuredText
47 lines
1.7 KiB
ReStructuredText
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.. _rb_i2c:
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===================
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I2C register block
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===================
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The I2C register block has a header with type 0x0000C110, version 0x00000100, and contains registers to control an I2C interface.
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.. table::
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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 0x0000C110
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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 Control Mux control SDA SCL RW 0x00000303
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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:: Control
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The control field has bits to control SCL, SDA, and any associated multiplexers/switches.
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.. table::
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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 Mux control SDA SCL RW 0x00000303
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======== ============== ====== ====== =============
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.. table::
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=== ========
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Bit Function
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=== ========
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0 SCL in
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1 SCL out
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8 SDA in
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9 SDA out
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=== ========
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