14.5.9 Port Control Register

Name: PORTCR
Offset: 0x16
Reset: 0x00

Bit 76543210 
       BBMBBBMA 
Access R/WR/W 
Reset 00 

Bit 1 – BBMB Break-Before-Make Mode Enable

When this bit is set the Break-Before-Make mode is activated for the entire Port B. The intermediate tri-state cycle is then inserted when writing DDRxn to make an output.

Bit 0 – BBMA Break-Before-Make Mode Enable

When this bit is set the Break-Before-Make mode is activated for the entire Port A. The intermediate tri-state cycle is then inserted when writing DDRxn to make an output.