GL843 datasheet(41/84 Pages) GENESYS

41 / 84 page

GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x

Page 41

Offset 45h

RAMRDDATA

This port for designers to read data from SDRAM.

Offset 46h

FERDDATA8

7-1 RESERVED

0 FERDDATA8

This port is for designers to read control register from front-end.

Offset 47h

FERDDATA7 FERDDATA6 FERDDATA5 FERDDATA4 FERDDATA3 FERDDATA2 FERDDATA1 FERDDATA0

7-0 FERDDATA[7:0] This port is for designers to read control register from front-end.

Offset 48h ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00

FEDCNT19 FEDCNT18 FEDCNT17 FEDCNT16

7-4 RESERVED

3-0 FEDCNT[19:16] Steps number which motor has moved.

For example, after setting the moving steps number (Reg 3D, 3E 3F) and

execute the moving command (Reg 0F), designers can get steps number which

has been moved via these registers. It can be reset to by FULLSTP command.

Offset 49h ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00

FEDCNT15 FEDCNT14 FEDCNT13 FEDCNT12 FEDCNT11 FEDCNT10 FEDCNT9

FEDCNT8

7-0 FEDCNT[15:8] Steps number which motor has moved.

For example, after setting the moving steps number (Reg 3D, 3E 3F) and

execute the moving command (Reg 0F), designers can get steps number which

has been moved via these registers .It can be reset to by FULLSTP command.

Offset 4Ah ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00

FEDCNT7

FEDCNT6

FEDCNT5

FEDCNT4

FEDCNT3

FEDCNT2

FEDCNT1

FEDCNT0

7-0 FEDCNT[7:0]

Steps number which motor has moved.

For example, after setting the moving steps number (Reg 3D, 3E 3F) and

execute the moving command (Reg 0F), designers can get steps number which

has been moved via these registers.It can be reset to by FULLSTP command.

GL843 Datasheet(PDF) 41 Page - GENESYS LOGIC