Type Alias rp2040_pac::i2c0::ic_sar::R

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pub type R = R<IC_SAR_SPEC>;
Expand description

Register IC_SAR reader

Aliased Type§

struct R { /* private fields */ }

Implementations§

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impl R

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pub fn ic_sar(&self) -> IC_SAR_R

Bits 0:9 - The IC_SAR holds the slave address when the I2C is operating as a slave. For 7-bit addressing, only IC_SAR[6:0] is used.

This register can be written only when the I2C interface is disabled, which corresponds to the IC_ENABLE[0] register being set to 0. Writes at other times have no effect.

Note: The default values cannot be any of the reserved address locations: that is, 0x00 to 0x07, or 0x78 to 0x7f. The correct operation of the device is not guaranteed if you program the IC_SAR or IC_TAR to a reserved value. Refer to <<table_I2C_firstbyte_bit_defs>> for a complete list of these reserved values.