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參數(shù)資料
| 型號： | 4250 |
| 英文描述： | Low-Cost, 2.7V to 5.5V Temperature Switches in a SOT23 |
| 中文描述： | 4250組數(shù)據(jù)表數(shù)據(jù)表652K/NOV.30.97 |
| 文件頁數(shù)： | 8/59頁 |
| 文件大?。?/td> | 652K |
| 代理商： | 4250 |
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7
MITSUBISHI MICROCOMPUTERS
4250 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
(3) Port K
1-bit I/O port.
For input use, set the latch of the specified bit to “1.” The
output structure is the N-channel open-drain. The pull-up
transistor of port K is turned on when the bit 1 of register PU0
is set to “1” by software. Port K is also used as port D
3
.
Accordingly, when port D
3
/K is used as port K, set the port D
3
output latch to “1.”
(4) Port G (G
0
–G
3
)
4-bit I/O port.
For input use, set the latch of the specified bit to “1.” The
output structure is the N-channel open-drain. The pull-up
transistor of port G is turned on when the bit 0 of register PU0
is set to “1” by software. Ports G
0
and G
1
are also used as INT
pin and T
OUT
pin, respectively.
Note: “W” represents write enabled.
Pull-up control register
PU0
1
PU0
0
Pull-up transistor OFF
Pull-up transistor ON
Pull-up transistor OFF
Pull-up transistor ON
Ports C and K
pull-up transistor control bit
Ports G
0
–G
3
pull-up transistor control bit
Pull-up control register PU0
at reset : 00
2
at RAM back-up : state retained
0
1
0
1
W
I/O PORT
(1) Port D (D
0
–D
3
)
Each pin of port D has an independent 1-bit wide I/O function.
Each pin has an output latch. For input/output of ports D
0
–D
3
,
select one of port D with the register Y of data pointer first. For
input use, set the latch of the specified bit to “1.” All port D
output latches can be set to “1” with the CLD instruction. The
output structure is the N-channel open-drain. Ports D
2
and D
3
are also used as ports C and K, respectively. Accordingly,
when port D
2
/C is used as port D
2
, set the port C output latch
to “1.” When port D
3
/K is used as port D
3
, set the port K output
latch to “1.”
(2) Port C
1-bit I/O port.
Port C output latch can be set to “1” with the SCP instruction.
Port C output latch can be cleared to “0” with the RCP
instruction. Port C input level can be examined by executing
the skip (SNZCP) instruction. For input use, set the latch of
the specified bit to “1.” The output structure is the N-channel
open-drain. The pull-up transistor of port C is turned on when
the bit 1 of register PU0 is set to “1” by software. Port C is also
used as port D
2
. Accordingly, when port D
2
/C is used as port
C, set the port D
2
output latch to “1.”
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 42500 | 功能描述:環(huán)境檢測設(shè)備 THERMOMETER POCKET RoHS:否 制造商:Fluke 設(shè)備類型:Vibration Meter 測量儀器:Vibration |
| 4250-0000LCMD | 制造商:3M Electronic Products Division 功能描述: |
| 4250-0000NCMD | 制造商:3M Electronic Products Division 功能描述: |
| 425-00001-901 | 制造商:Volex Group 功能描述: |
| 425-00001-904 | 制造商:Volex Group 功能描述: |
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