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Appendix A
A.10 UNO-2050E Control Register
Table A.12: UNO-2050E Control Register
Base Address
7
6
5
4
3
2
1
0
Base+00H R
Isolated Digital Input Status Register
DI7 DI6
DI5 DI4
DI3
DI2
DI1
DI0
Base+01H R/W Isolated Digital Output Control/Status Register
DO7 DO6
DO5 DO4
DO3
DO2
DO1
DO0
Base+02H R/W Interrupt Enable Control/Status Register
DI1EN
DI0EN
Base+03H R/W Interrupt Triggering Edge Control/Status Register
DI1TE
DI0TE
Base+07H R/W Interrupt Flag/Clear Register
CTR1F CTR0F DI1F
DI0F
Base+08H R/W 82C54 Chip Counter0 Register
Base+09H R/W 82C54 Chip Counter1 Register
Base+0BH R/W 82C54 Chip Control Register
Base+0CH R/W Counter0 Start Control / Output Status Register
CTR0
Out
CTR0
Gate
Base+0DH R/W Counter1 Start Control / Output Status Register
CTR
1Out
CTR1
Gate
Base+0EH R/W Counter0 Setting Register
CTR0
IntSet
CTR0
OutSet
CTR0
GateSet
CTR0
CLKSet
Base+0FH R/W Counter1 Setting Register
CTR
32Set
S1
S0
CTR1
IntSet
CTR1
OutSig
CTR1
GateSig
CTR1
CLKSig
Base+10H R/W LED Control Register
LEDS1 LEDS0 LEDEn
Base+11H R/W Buzzer Control Register
SPKS1 SPKS0 SPKEn