This anomaly applies to IC Rev. Engineering A, build codes QFAA-AA0, QFAA-AC0, CGAA-AA0.
When Radio encryption is enabled, TX or RX packets are sometimes corrupted. Encryption/decryption functions (ECB, AAR, and CCM) take longer than documented.
Always.
Radio packet error. Encryption takes longer time.
*(volatile uint32_t *)0x400005A0 = 0x3;
This code has already been added into system_nrf52.c.