| AT32F421C4T [LQFP48] (Note #6239) | AT32F421C6T [LQFP48] (Note #6239) | AT32F421C8T [LQFP48] (Note #6239) |
| AT32F421F4P [TSSOP20] (Note #6236) | AT32F421F6P [TSSOP20] (Note #6236) | AT32F421F8P [TSSOP20] (Note #6236) |
| AT32F421K4T [LQFP32] (Note #6291) | AT32F421K6T [LQFP32] (Note #6291) | AT32F421K8T [LQFP32] (Note #6291) |