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參數(shù)資料
| 型號(hào)： | LM9832 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | LM9832 42-Bit Color, 1200dpi USB Image Scanner |
| 中文描述： | LM9832 42位彩色，1200dpi的USB圖像掃描儀 |
| 文件頁(yè)數(shù)： | 18/42頁(yè) |
| 文件大小： | 337K |
| 代理商： | LM9832 |
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www.national.com
55
Kickstart steps
(fullstepping mode)
Hold Current Timeout
n n n Motor gets maximum current for first n (0-7) full steps
Full step time units (1-31) (do not set to 0)
=CRYSTAL OUT/(256*n) (0 < n < 256)
=CRYSTAL OUT/(256*256) (n = 0)
n n n n n n = minimum of n/64 (default = 0)
n n n n n
56
Stepper Motor PWM Frequency
n n n n n n n n
57
Stepper Motor PWM Set Duty Cycle
PAPER SENSE SETTINGS
58
PAPER SENSE 1: Polarity
0 A low input on PAPER SENSE 1 is True
1 A high input on PAPER SENSE 1 is True
Level sensitive: PAPER SENSE 1 State bit (in Status
Register) is set to a 1 if PAPER SENSE 1 is currently
True.
Edge sensitive: PAPER SENSE 1 State bit (in Status
Register) is set to a 1 if PAPER SENSE 1 has been
True since the last time the Status Register was read.
Transitions on PAPER SENSE 1 will not clear the
command register.
A False-to-True transition on PAPER SENSE 1 will
clear the Command Register and stop the scan.
A low input on PAPER SENSE 2 is True
A high input on PAPER SENSE 2 is True
Level sensitive: PAPER SENSE 2 State bit (in Status
Register) is set to a 1 if PAPER SENSE 2 is currently
True.
Edge sensitive: PAPER SENSE 2 State bit (in Status
Register) is set to a 1 if PAPER SENSE 2 has been
True since the last time the Status Register was read.
The scan will automatically stop after scanning for the
number of fullsteps specified in the
Step Counter
(registers 4C and 4D). (The fullsteps moved during
the “FastFeed At Start of scan period are not
counted.) If the value in the
Step Counter
is 0, the
scan can only be stopped by writing a 0 to register 07.
A False-to-True transition on PAPER SENSE 2 will
stop a scan or a High Speed Forward command after
the number of fullsteps specified in the
Step Counter
(registers 4C and 4D). It will not stop a High Speed
Reverse, and therefore should not be used as a home
position sensor input.
PAPER SENSE 1: Level/Edge sensitive
0
1
PAPER SENSE 1: Stop Scan, High Speed
Forward, and High Speed Reverse
Use this input for the home sensor in flatbed
scanners.
0
1
PAPER SENSE 2: Polarity
0
1
PAPER SENSE 2: Level/Edge sensitive
0
1
PAPER SENSE 2: Stop Scan and High
Speed Forward
0
1
Address
Function
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Value
LM9832 Register Listing
(Continued)
L
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM9833CCVJD | LM9833 48-Bit Color, 1200dpi USB Image Scanner |
| LM9833 | LM9833 48-Bit Color, 1200dpi USB Image Scanner |
| LM98501CCVBH | 10-Bit, 27 MSPS Camera Signal Processor |
| LM98501 | 10-Bit, 27 MSPS Camera Signal Processor |
| LMC555CBPEVAL | CMOS Timer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM9832B-B WAF | 制造商:Texas Instruments 功能描述: |
| LM9832B-E WAF | 制造商:Texas Instruments 功能描述: |
| LM9832CCVJD | 功能描述:IC SCANNER CLR USB IMAGE 100TQFP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模擬前端 (AFE) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):- 通道數(shù):2 功率（瓦特）:- 電壓 - 電源，模擬:3 V ~ 3.6 V 電壓 - 電源，數(shù)字:3 V ~ 3.6 V 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:帶卷 (TR) |
| LM9832CCVS-B | 制造商:Texas Instruments 功能描述: |
| LM9833 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:LM9833 48-Bit Color, 1200dpi USB Image Scanner |
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