# KEY in k210_pac::aes - Rust
1st-4th word of key
Keywords: rust, rustlang, rust-lang, KEY

# Type Definition k210_pac::aes::KEY

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    pub type KEY = Reg<u32, _KEY>;

Expand description

1st-4th word of key

This register you can `read`, `reset`, `write`, `write_with_zero`, `modify`. See API.

For information about available fields see key module

## Trait Implementations

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### impl ResetValue for KEY

Register key[%s] `reset()`’s with value 0

#### type Type = u32

Raw register type (`u8`, `u16`, `u32`, …).

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#### fn reset_value() -> Self::Type

Reset value of the register.

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### impl Readable for KEY

`read()` method returns key::R reader structure

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### impl Writable for KEY

`write(|w| ..)` method takes key::W writer structure