Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_14249278_1 (bits_14_12 INTEGER, description VARCHAR)

### Question ###
Name the most bits 14-12 for output from accumulator to character bus

### Accurate SQL ###

SELECT MIN(bits_14_12) FROM table_14249278_1 WHERE description = "Output from accumulator to character bus"