SmartACF/56S = L2800-38 + P9373-11 + 20434-11 + 20437-11 SmartACF/56S-PNP = L2800-38 + P9373-11 + 20434-11 + 20437-11 + 11596-21 SmartACF/56 = L2800-38 + P9373-11 + 20434-11 SmartACF/56-PNP = L2800-38 + P9373-11 + 20434-11 + 11596-21 SmartACF/56C = L2800-38 + P9373-11 + 20434-11 + 20437-11 + R6715-14 SmartACF/56C-PNP = L2800-38 + P9373-11 + 20434-11 + 20437-11 + 11596-11 + R6715-14 11596-21 PnP 80-pin PQFP 20434-11 LSD/SmartDAA 32-pin TQFP 20437-11 Voice Codec 32-pin TQFP L2800-38 L28 MCU 80-pin PQFP P9373-11 MDP 100-pin TQFP R6715-14 RCDSVD SCP 100-pin PQFP CX20437 Voice Codec 32-pin TQFP CX20463 LSD/SmartDAA 32-pin TQFP CX81300 v.92 MCD 128-pin TQFP BIF=Bus Interface Device LSD=Line Side Device MCD=Modem Controller and DSP MCU=Microcontroller Unit MDP=Modem Data Pump PCU=PCI Controller Unit SCP=Speech Codec Processor TQFP=Thin Quad Flat Pack