Measurement Computing CIO-DAS800 - Manual (Page 14)

Table 4-2. Register Map - Read Functions
ID Reg (ID1,0 = 0/0) ID0 ID1 ID2 ID3 ID4 ID5 ID6 ID7 CS1/0 = 1/1
Status Register 2 ITE CASC DTEN DT IEOC INTE GTEN HCEN CS1/0=
0/0,0/1,1/0
Function depends on value of CS0/1 bits in Base +3:
Base + 7
8254 C/T 2 Status Register Base + 6
8254 C/T 1 Status Register Base + 5
8254 C/T 0 Status Register Base + 4
Control Status R0
R1 R2 R3
MA0 MA1 MA2 EACS Base + 3
Status Register 1 MA0 MA1 MA2 IRQ IP1 IP2 IP3 EOC Base + 2
High byte read AD4 AD5 AD6 AD7 AD8 AD9 AD10 AD11 Base + 1
Low byte read FFEM FFOV FF2 FF3 AD0 AD1 AD2 AD3 Base + 0
D0 D1 D2 D3 D4 D5 D6 D7 Register
Function Data Bits READ
Functions
10