gl848 Genesys Logic, gl848 Datasheet - Page 44

• Manufacturer Part Number: gl848
• Description: High Speed Usb 2.0 2-in-1 Scanner Controller With Fast Adf & Bus Power
• Manufacturer: Genesys Logic

©2000-2007 Genesys Logic Inc. - All rights reserved.
Offset 5Fh ……..………………………..………..….………..….…..…..…..…. Default value = 8’h00
Offset 60h ……..………………………..………..….………..….…..…..…..…. Default value = 8’h20
Offset 61h ……..………………………..………..….………..….…..…..…..…. Default value = 8’h00
Offset 62h ……..………………………..………..….………..….…..…..…..…. Default value = 8’h00
Offset 63h ……..………………………..………..….………..….…..…..…..…. Default value = 8’h00
7-0
7-5 STEPSEL [2:0] For type selection of table one, table two and table three in scanning mode.
7-0 Z1MOD [15:8] “remainder value” of MOD operation in acceleration/deceleration tables.
7-0 Z1MOD [7:0]
FMOVDEC7 FMOVDEC6 FMOVDEC5 FMOVDEC4 FMOVDEC3 FMOVDEC2 FMOVDEC1 FMOVDEC0
4-0 Z1MOD [20:16] “remainder value” of MOD operation in acceleration/deceleration tables.
STEPSEL2 STEPSEL1 STEPSEL0 Z1MOD20 Z1MOD19 Z1MOD18 Z1MOD17 Z1MOD16
Z1MOD15 Z1MOD14 Z1MOD13 Z1MOD12 Z1MOD11 Z1MOD10 Z1MOD7
Z1MOD7
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FMOVDEC [7:0]
It cannot be programmed to logic zero.
GL848 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF
Z1MOD6
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Deceleration steps in table 5 for auto-go-home.
Note: 1.It cannot be programmed to logic zero.
(1) For bipolar motors:
(2) For unipolar motors:
ASIC calculate the moving time by MOD operation when buffer-full occurs.
Note: It should be less than LPERIOD.
ASIC calculate the moving time by MOD operation when buffer-full occurs.
Note: It should be less than LPERIOD.
“remainder value” of MOD operation in acceleration/deceleration tables.
ASIC calculate the moving time by MOD operation when buffer-full occurs.
Note: It should be less than LPERIOD.
Z1MOD5 Z1MOD4
011 Eighth step (for 3967).
011 Single-phase-on full step.
100 Reserved.
000 Full step (for 1939, 1940, 2916, 6219, 3967).
001 Half step (for 1939, 1940, 2916, 6219, 3967).
010 Quarter step (for 2916, 6219, 3967).
000 Two-phase-on full step.
001 Half step.
010 Reserved.
2.It can be multiplied by 2 *
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Z1MOD3
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STEPTIM
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Z1MOD2
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Z1MOD1
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Z1MOD8
Z1MOD0
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