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參數(shù)資料
| 型號(hào)： | UPD16878 |
| 廠(chǎng)商： | NEC Corp. |
| 英文描述： | MONOLITHIC QUAD H BRIDGE DRIVER CIRCUIT |
| 中文描述： | 單片四H橋驅(qū)動(dòng)電路 |
| 文件頁(yè)數(shù)： | 14/32頁(yè) |
| 文件大?。?/td> | 242K |
| 代理商： | UPD16878 |
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Data Sheet S15974EJ1V0DS
14
μ
PD16878
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Data
0 or 1
0
0
0
0
0
0
0
f
OSC
= 0 kHz
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Data
0 or 1
0
0
0
0
1
1
1
f
OSC
= 0 kHz
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Data
0 or 1
0
0
0
1
0
0
0
f
OSC
= 32 kHz
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Data
0 or 1
0
0
0
1
0
0
1
f
OSC
= 36 kHz
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Data
0 or 1
0
0
1
1
1
1
1
f
OSC
= 124 kHz
<5th byte>
The 5th byte selects a parameter to be output to the EXT pin (logic operation monitor pin). Input data to bits D0 to
D6 of this byte. Bit D7 is fixed to
“
0
”
.
There are two EXT pins. EXT
α
indicates the operating status of
α
ch, and EXT
β
indicates that of
β
ch. The
relationship between each bit and each EXT pin is as shown in Table 5-4.
Table 5-4. 5th Byte Data Configuration (Initial data)
Bit
Data
EXT
α
EXT
β
D7
0
Not used
Not used
D6
0 or 1
ENABLE
α
ENABLE
β
D5
0 or 1
ROTATION
α
ROTATION
β
D4
0 or 1
PULSEOUT
α
PULSEOUT
β
D3
0 or 1
FF7
α
FF7
β
D2
0 or 1
FF3
α
FF3
β
D1
0 or 1
CHECKSUM
FF2
β
D0
0 or 1
CHOPPING
FF1
β
The checksum bit is cleared to
“
0
”
in the event of an error. Normally, it is
“
1
”
.
If two or more signals that output signals to EXT
α
and EXT
β
are selected, they are positively ORed for output.
Caution The CHOPPING signal is not output in internal oscillation mode.
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