ST5400 Series IO Port Addresses

 

ST5400 Series IO Port Addresses
Port R/W Name Function
0x100 RW ST5452 Image Control Register (ICR) image control bits
0x102 RW ST5452 General Purpose Output Register (GPOR) GPO0-GPO7 on P4 (BC40) bus
0x104 - TBD -
0x106 RW ST5452 Image Page Register (IPR) 0-15 selects 0xC8000-0xCFFFF
0x108 - TBD -
0x10A - TBD -
0x10C - TBD -
0x10E - TBD -
0x110 RW ST5452 Graphics Control Register (GCR) graphics control bits
0x112 RW ST5452 Graphics Bit Plane Register (GBPR) bits 0-7 select GRAM planes 0-7
0x114 RW ST5452 Graphics Intensity Register (GIR) graphics brightness = 0 to 255
0x116 RW ST5452 Graphics Page Register (GPR) 0-15 selects 0xD0000-0xD7FFF
0x118 - TBD -
0x11A - TBD -
0x11C - TBD -
0x11E - TBD -
0x120 RW ADC 1 Select -
0x122 RW ADC 2 Select -
0x124 W DAC 1 Select -
0x126 W DAC 2 Select -
0x128 W DAC 3 Select -
0x12A W DAC 4 Select -
0x12C W Digital Outputs bits 0-7; 8-15 are N/A
0x12E R Digital Inputs bits 0-7: digital outputs, bits 8-15: digital inputs.