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FDC37N769_07 参数 Datasheet PDF下载

FDC37N769_07图片预览
型号: FDC37N769_07
PDF下载: 下载PDF文件 查看货源
内容描述: 3.3V超级I / O控制器具有红外支持针对便携式应用 [3.3V Super I/O Controller with Infrared Support for Portable Applications]
分类和应用: 控制器便携式
文件页数/大小: 137 页 / 659 K
品牌: SMSC [ SMSC CORPORATION ]
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TQFP  
PIN #  
72  
BUFFER  
TYPE  
NAME  
nInitiate  
Output/  
FDC  
nDirection  
Control  
(Note3)  
nAutofeed  
Output/  
FDC  
SYMBOL  
nINIT  
DESCRIPTION  
(OD14/OP1 This output is bit 2 of the printer control register. This  
4)/OD12  
is used to initiate the printer when low.  
Refer to Parallel Port description for use of this pin in  
ECP and EPP mode.  
nDIR  
See FDC Pin definition.  
74  
75  
59  
nAUTOFD (OD14/OP1 This output goes low to cause the printer to  
4)/OD12  
automatically feed one line after each line is printed.  
The nAUTOFD output is the complement of bit 1 of  
the Printer Control Register.  
Refer to Parallel Port description for use of this pin in  
ECP and EPP mode.  
nDensity  
Select  
(Note3)  
nDENSEL  
See FDC Pin definition.  
nStrobe  
Output/  
FDC nDrive  
Select 0  
(Note3)  
nSTROBE (OD14/OP1 An active low pulse on this output is used to strobe  
4)/OD12  
the printer data into the printer. The nSTROBE  
output is the complement of bit 0 of the Printer Control  
Register.  
Refer to Parallel Port description for use of this pin in  
ECP and EPP mode.  
nDS0  
BUSY  
See FDC Pin definition.  
Busy/  
FDC  
nMotor On  
1
I/OD12  
This is a status output from the printer, a high  
indicating that the printer is not ready to receive new  
data. Bit 7 of the Printer Status Register is the  
complement of the BUSY input. Refer to Parallel Port  
description for use of this pin in ECP and EPP mode.  
See FDC Pin definition.  
nMTR1  
nACK  
60  
58  
57  
73  
nAcknowl-  
edge/FDC  
nDrive  
I/OD12  
I/OD12  
I/OD12  
I/OD12  
A low active output from the printer indicating that it  
has received the data and is ready to accept new  
data. Bit 6 of the Printer Status Register reads the  
nACK input. Refer to Parallel Port description for use  
of this pin in ECP and EPP mode.  
Select 1  
nDS1  
See FDC Pin definition.  
Paper End/ PE  
FDC nWrite  
Data  
Another status output from the printer, a high  
indicating that the printer is out of paper. Bit 5 of the  
Printer Status Register reads the PE input. Refer to  
Parallel Port description for use of this pin in ECP and  
EPP mode.  
See FDC Pin definition.  
This high active output from the printer indicates that  
it has power on. Bit 4 of the Printer Status Register  
nWRDATA  
SLCT  
Printer  
Selected  
Status/  
FDC nWrite  
Gate  
reads the SLCT input.  
Refer to Parallel Port  
description for use of this pin in ECP and EPP mode.  
See FDC Pin definition.  
nWGATE  
nError/FDC nERROR  
A low on this input from the printer indicates that there  
is a error condition at the printer. Bit 3 of the Printer  
Status register reads the nERR input. Refer to  
Parallel Port description for use of this pin in ECP and  
EPP mode.  
nHead  
Select  
nHDSEL  
See FDC Pin definition.  
69  
68  
67  
Port Data  
0/FDC  
nIndex  
Port Data  
1/FDC  
nTrack 0  
Port Data  
2/FDC  
PD0  
IOP14/IS Port Data 0  
nINDEX  
PD1  
See FDC Pin definition.  
IOP14/IS Port Data 1  
nTRK0  
PD2  
See FDC Pin definition.  
IOP14/IS Port Data 2  
nWrite  
nWRTPRT  
See FDC Pin definition.  
Protected  
SMSC DS – FDC37N769  
Page 11 of 137  
Rev. 02-16-07  
DATASHEET