參數(shù)資料
型號: HD404848H
廠商: Hitachi,Ltd.
英文描述: RELAY SOCKET
中文描述: 4位單片機
文件頁數(shù): 54/125頁
文件大小: 471K
代理商: HD404848H
HD404849 Series
54
Bit
Initial value
Read/Write
Bit name
3
0
W
MIS3
2
0
W
MIS2
0
0
W
MIS0
1
0
W
MIS1
MIS2
CMOS buffer
on/off selection
for pin R2
3
/SO
On
Miscellaneous register (MIS: $00C)
0
1
Off
Refer to figure 18 in the
operation modes section.
t
RC
selection.
MIS3
0
1
Pull-up MOS
on/off selection
Off
On
MIS1
MIS0
Figure 38 Miscellaneous Register (MIS)
How to Deal with Unused I/O Pins:
I/O pins that are not needed by the user system (floating) must be
connected to V
CC
to prevent LSI malfunctions due to noise. These pins must either be pulled up to V
CC
by
their pull-up MOS transistors or by resistors of about 100 k
.
相關(guān)PDF資料
PDF描述
HD404848TF PLASTIC-GRIP
HD404849 TERMINAL
HD404849FS TERMINAL
HD404849H SPLICE
HD404849TF TERMINAL
相關(guān)代理商/技術(shù)參數(shù)
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HD404848TF 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
HD404849 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-Bit Single-Chip Microcomputer
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