JAJSJF5B April 2021 – January 2023 DP83TC812R-Q1 , DP83TC812S-Q1
PRODUCTION DATA
Test mode 2 evaluates the transmitter 100BASE-T1 Master mode jitter. In test mode 2, the DP83TC812-Q1 transmits a {+1,-1} data symbol sequence. The transmitter synchronizes the transmitted symbols from the local reference clock.
Test mode 2 is enabled by setting bits[15:13] = 0b010 in MMD1_PMA_TEST_MODE_CTRL Register (0x1836).