SNIU028D February 2016 – September 2020 UCD3138 , UCD3138064 , UCD3138064A , UCD3138128 , UCD3138A , UCD3138A64
The DEC generates the memory selects and SAR peripheral select signals by decoding the address and control signals from the ARM processor. In addition, the DEC provides the control signals for the Program and Data Flash.
The assigned memory selects for UCD3138 are as follows:
Memory Select 0 => Boot ROM (1Kx32)
Memory Select 1 => Program Flash (8Kx32)
Memory Select 2 => Data Flash (512x32)
Memory Select 3 => Data RAM (1Kx32)
Memory Select 4 => Loop Mux (1Kx32)
Memory Select 5 => Fault Mux (1Kx32)
Memory Select 6 => ADC12 Control (1Kx32)
Memory Select 7 => DPWM3 (1Kx32)
Memory Select 8 => Filter 2 (1Kx32)
Memory Select 9 => DPWM 2 (1Kx32)
Memory Select 10 => Front End Control 2 (1Kx32)
Memory Select 11 => Filter 1 (1Kx32)
Memory Select 12 => DPWM 1 (1Kx32)
Memory Select 13 => Front End Control 1 (1Kx32)
Memory Select 14 => Filter 0 (1Kx32)
Memory Select 15 => DPWM 0 (1Kx32)
Memory Select 16 => Front End Control 0 (1Kx32)
Memory Select 17 => Program Flash 1(8Kx32) – Not in UCD3138, in all other devices
Memory Select 18 => Program Flash 2(8Kx32) - Only in 3138128
Memory Select 19 => Program Flash 3(8Kx32) - Only in 3138128