UPD16878 查看數據表（PDF） - NEC => Renesas Technology
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UPD16878 Datasheet PDF : 32 Pages
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µPD16878
<4th byte>
Bit
Data
Function
Setting
D7 1 or 0
OSCSEL
Internal/external
D6 0
-
-
D5 0
-
-
D4
Chopping
D3
D2 5-bit data Chopping
input
D1
Frequency
D0
frequency :
32 to 124 kHz
Setting
(8 to 31)Note
∆f = 4 kHz
Note The frequency is 0 kHz if 0 to 7 is input.
<5th byte>
Bit
Data
EXTα
EXTβ
D7 0
-
-
D6 Note 5
D5 Note 5
D4 Note 5
D3 Note 5
ENABLE α Note1
ROTATION αNote2
Pulse Out α
FF7 α
ENABLE β Note1
ROTATION β Note2
Pulse Out β
FF7 β
D2 Note 5
D1 Note 5
D0 Note 5
FF3 α
Checksum Note3
Chopping Note4
FF3 β
FF2 β
FF1 β
Notes 1. H level : Conducts, L level : Stops
2. H level : Reverse (CCW),
L level : Forward (CW)
3. H level : Normal data input,
L level : Abnormal data input
4. Not output in internal oscillation mode.
5. Select one of D0 to D6 and input “1”.
If two or more of D0 to D6 are selected,
they are positively ORed for output.
<6th byte>
Bit
Data
Function
Setting
D7
D6 4-bit data α ch
D5 input
Current Set2
D4
α ch Output current
setting 2 EVR : 100
to 250 mV
Setting (0 to 15) Note
D3
α ch Output current
D2 4-bit data α ch
setting 1 EVR : 100
D1 input
Current Set1
to 250 mV
D0
Setting (0 to 15) Note
Note A voltage of about double EVR is output to
the FIL pin.
<4th byte>
Bit
Data
Function
D7
1 or 0
Current Set α
D6
15-bit data
D5
D4
D3
High-order α Pulse Width
D2
7-bit data
D1
input
D0
Setting
set2/set1
α ch
pulse cycle :
0.25 to 8191.75 µs
Setting
(1 to 32767)
∆t = 0.25 µs
<5th byte>
Bit
Data
Function
Setting
D7
1 or 0
D6
1 or 0
β ROTATION
β ENABLE
β ch CCW/CW
β ch ON/OFF
D5
β ch
D4
Number of
D3
6-bit data
β Pulse Number pulses in 1 VD
D2
input
Setting (1 to 63)
D1
∆n = 2 pulses Note
D0
Note The number of pulses can be varied in 2-pulse
steps.
<6th byte>
Bit
Data
D7
15-bit data
D6
D5
D4
D3
Low-order
D2
8-bit data
D1
input
D0
Function
β Pulse Width
Setting
β ch pulse
cycle:
0.25 to 8191.75 µs
Setting
(1 to 32767)
∆t = 0.25 µs
10
Data Sheet S15974EJ1V0DS
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