Ir remote signal receiver, Rmld is a 16-bit access register, Filter sampling cycle = f – Lucent Technologies MN10285K User Manual

Page 227: Clock = pwm3 01: filter sampling cycle = f, Clock = pwm1 10: filter sampling cycle = f, Clock = pwm3 11: filter sampling cycle = f, Clock = pwm1, Set to 1 when long data is detected, Set to 1 when short data is detected, Sp and spslw: switch clock frequencies