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參數(shù)資料
| 型號(hào)： | 34C60 |
| 廠商： | SMSC Corporation |
| 英文描述： | PARALLEL PORT INTERFACE CHIP PERIPHERAL SIDE |
| 中文描述： | 并行接口芯片外設(shè)端 |
| 文件頁(yè)數(shù)： | 45/58頁(yè) |
| 文件大?。?/td> | 350K |
| 代理商： | 34C60 |
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SMSC DS – PPC34C60
Page 5
Rev. 06/01/2001
ADVANCED INFORMATION
DESCRIPTION OF PIN FUNCTIONS
PIN NO.
NAME
SYMBOL
BUFFER
TYPE
DESCRIPTION
PARALLEL PORT HOST CONTROL AND COMMON DATA BUS INTERFACE
2
nHost:Strobe
nHSTB
I,PU
An active low pulse on this input is used
to strobe printer data into the printer.
Refer to Section 4 of the IEEE STD 1284
(Reference 1) for use of this pin in ECP
and EPP modes.
3
nHost:Auto
Line
Feed
nHALF
I,PU
This input goes low to cause the printer to
automatically feed one line after each line
is printed. Connects to AUTOFD output
from Host. Refer to Section 4 of the IEEE
STD 1284 (Reference 1) for use of this
pin in ECP and EPP modes.
14
nHost:SelectIn
nHSEL
I
This active low input is driven by the host
to select the printer.
Connects to
SELECT IN output from Host. Refer to
Section 4 of the IEEE STD 1284
(Reference 1) for use of this pin in ECP
and EPP modes.
(See Note 1 on Page
11.)
11
nHost:Initiate
nHINIT
I
This active low input initiates the printer
when low. Connects to INIT output from
Host.
Refer to Section 4 of the IEEE
STD 1284 (Reference 1) for use of this
pin in ECP and EPP modes. (See Note 1
on Page 11.)
24
nHost:
Acknowledge
nHACK
O16
This active low output from the printer is
used to indicate that the printer has
received the data and is ready to accept
new data. Connects to the ACK input to
the Host. Refer to Section 4 of the IEEE
STD 1284 (Reference 1) for use of this
pin in ECP and EPP modes.
26
Host:Busy
HBSY
O16
This status output, generated by the
printer, goes high to indicate that it is not
ready to receive new data from the host.
Connects to the BUSY input to the Host.
Refer to Section 4 of the IEEE STD 1284
(Reference 1) for use of this pin in ECP
and EPP modes.
28
Host:Paper End
HPE
O16
This status output, generated by the
printer, goes high to indicate that the
printer is out of paper. Connects to the
PERROR input to the Host. Refer to
Section 4 of the IEEE STD 1284
(Reference 1) for use of this pin in ECP
and EPP modes.
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