ST5200 Series IO Port Addresses

 

ST5200 Series IO Port Addresses
Port R/W Name Comment
0x100 RW Frame Count counts up to 255
0x102 W Clear IRQ 10 Image Stored interrupt
0x104 RW ST5251 CSR 2 cam aux bits, gain, shutter
0x106 W Clear IRQ 11 Vertical Sync interrupt
0x108 - TBD -
0x10A RW ST5251 CSR 1 cam pwr, VDAC, sys aux bits, RAM control
0x10C W Clear IRQ 15 Get Out of Town interrupt
0x10E - TBD -
0x110 W RAM A Page Select 0-15 selects 0xC8000-0xCFFFF
0x112 W RAM B Page Select 0-15 selects 0xD0000-0xD7FFF
0x114 - TBD -
0x116 - TBD -
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 TBD
0x12E R Digital Inputs bits 0-7: digital outputs, bits 8-15: digital inputs.
0x130 RW ST5252e CSR 3 Graphics RAM (GRAM) control
0x132 RW ST5252e Graphics Bit Plane Register (GBPR) bits 0-7 select GRAM planes 0-7
0x134 RW ST5252e Graphics Intensity Register (GIR) graphics brightness = 0 to 255
0x136 RW ST5252e Graphics Page Register (GPR) 0-31 selects 0xDC000-0xDFFFF