參數(shù)資料
型號: IT8710F
英文描述: 100-pin LPC I/O Programming Guide v0.1 | PC Product Line
中文描述: 100針LPC I / O編程指南v0.1 |個人電腦產品線
文件頁數(shù): 19/30頁
文件大?。?/td> 311K
代理商: IT8710F
www.ite.com.tw 15
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Programming Sequence and Flow Charts
Table 4-6. Bit Map of the ECP Registers
D5
D4
PD6
PD5
Register
data
ecpAFifo
Addr/RLE
dsr
dcr
cFifo
ecpDFifo
tFifo
cnfgA
cnfgB
ecr
D7
PD7
D6
D3
PD3
D2
PD2
D1
PD1
D0
PD0
PD4
Address or RLE field
Select
nFault
IRQE
SelectIn
Parallel Port Data FIFO
ECP Data FIFO
Test FIFO
1
0
nErrIntrEn
dmaEn
nBusy
1
nAck
1
PError
PDDIR
1
1
1
nInit
AutoFd
Strobe
0
0
0
0
0
0
0
0
0
0
0
full
0
0
intrValue
mode
ServiceIntr
empty
Table 4-7. ECP Register Definitions
Address
R/W
Base 1 +000H
R/W
Name
ECP Mode
000-001
Function
Data
Data Register
EcpAFifo
Dsr
dcr
cFifo
ecpDFifo
tFifo
cnfgA
cnfgB
Base 1 +000H
Base 1 +001H
Base 1 +002H
Base 2 +000H
Base 2 +000H
Base 2 +000H
Base 2 +000H
Base 2 +001H
R/W
R/W
R/W
R/W
R/W
R/W
RO
R/W
011
All
All
010
011
110
111
111
ECP FIFO (Address)
Status Register
Control Register
Parallel Port Data FIFO
ECP FIFO (DATA)
Test FIFO
Configuration Register A
Configuration Register B
ecr
Base 2 +002H
R/W
All
Extended Control Register
Table 4-8. ECP Mode Descriptions
Description
Mode
000
001
010
011
110
111
Standard Parallel Port Mode
PS/2 Parallel Port Mode
Parallel Port FIFO Mode
ECP Parallel Port Mode
Test Mode
Configuration Mode
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