ICP DAS USA 3-axis encoder card, 2-axis stepping/servo Registers of I-8090 board, Rst Inh Sel

I-8090 User Manual Version 1.0 06/2001

1.2 Registers of I-8090 board

The I-8090card’s registers table as following.

Register	Add.	R/W	Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0
ID	0x00	R				0x0D
XDATA	0x01	R			X-axis encoder value
YDATA	0x02	R			Y-axis encoder value
ZDATA	0x03	R			Z-axis encoder value
INDEX	0x04	R						ZI	YI	XI
XCTRL	0x00	W			S1	S0		/RST	/INH	/SEL
YCTRL	0x01	W			S1	S0		/RST	/INH	/SEL
ZCTRL	0x02	W			S1	S0		/RST	/INH	/SEL

Register	Add.	R/W	Bit 7	Bit 6	Bit 5	Bit 4	Bit 3	Bit 2	Bit 1	Bit 0
ID	0x00	R				0x0D

The ID register is read only and its value is fixed as 0x0D. User can check this register to identify I-8090 card or not.

Register Add. R/W Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

XDATA 0x01 RX-axis encoder value

XDATA: the X-axis encoder counter value can be read out from this register. The low byte value of 16 bits encoder counter can be read out when set /SEL=0 (XCTRL register), the high byte can be read out when set /SEL=1 (XCTRL register).

Register Add. R/W Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

YDATA 0x02 RY-axis encoder value

YDATA : the Y-axis encoder counter value can be read out from this register. The low byte value of 16 bits encoder counter can be read out when set /SEL=0 (YCTRL register), the high byte can be read out when set /SEL=1 (YCTRL register).

Register Add. R/W Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

ZDATA 0x03 RZ-axis encoder value

ZDATA : the Z-axis encoder counter value can be read out from this register. The low byte value of 16 bits encoder counter can be read out when set

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