The CX06827-xx packages have an integrated microcontroller unit (MCU),
line interface codec, modem data pump, and bootloader ROM.
SC56D = CX06827-11 (d/f/TAM)
SC56D/S = CX06827-11 + 20437-11 (d/f/TAM/v/FDSP)
20437-11 Voice Codec 32-pin TQFP
CX06827-11 ACF Modem (56kbps) 144-pin TQFP
CX06827-13 ACF Modem (33.6kbps) 144-pin TQFP
CX06827-14 ACF Modem (14.4kbps) 144-pin TQFP