tmp89fm82 TOSHIBA Semiconductor CORPORATION, tmp89fm82 Datasheet - Page 330
tmp89fm82
Manufacturer Part Number
tmp89fm82
Description
8 Bit Microcontroller Tlcs-870/c1 Series
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TMP89FM82.pdf
(452 pages)
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19.6
Electrical Angle Timer and Waveform Arithmetic Circuit
RA000
19.6
Electric angle Timer
Interrupt request
fcgck
Electrical Angle Timer
Electrical Angle Timer and Waveform Arithmetic Circuit
7
2
Prescaler
5, 4
1
EDCRB
2
2
2
3
3
selector
2
2
4
0
7
fcgck/2
fcgck/2
fcgck/2
fcgck/2
Clock selector
calcuration enable
-
calculation start
2
5, 4
EDCRA
4
3
2
1
calcuration finish
Adjust value (4 bits) , Electrical angle period (12 bits)
-, -, -, -
Figure 19-19 Electrical Angle Timer Circuit
Figure 19-20 Waveform Arithmetic Circuit
Note Output 0 , in case calcuration result < 0
12-bit counter
15 to12
Voltage set resister (12 bits)
11,10,9,8,7,6,5,4,3,2,1,0
Period resister buffer
culcuration
U phase
read address point (9 bits)
CMPU
8, 7, 6, 5, 4, 3, 2, 1, 0
result
2 phase /3 phase muduration change
Buffer
EDSET
Sine wave data RAM
11 to 0
AMP
WVFMAD
12 bits
12 bits
Comparator
culcuration
CMPV
V phase
selector
Buffer
3 phase wave form resister
result
Clear
Page 314
4-bit counter
7
12 bits
12 bits
Note
Multiplier
6
TRPWVDR
5
culcuration
W phase
7
CMPW
Sine wave data set
4
Buffer
result
resister (8 bits)
6
3
Count stop
WVFMDR
5
2
12 bits
4
1
8 bits
3
0
Data selector
2
Decoder
9-bit electrical angle register
1
Sine wave data table
0
8, 7, 6, 5, 4, 3, 2, 1, 0
RAM 384 byte
Write
8 bits
Electric angle resister (9 bits)
ELDEG
9-bit counter
8, 7, 6, 5, 4, 3, 2, 1, 0
Electricangle timer circuit
8 bits
Period adjust curcuit
ELDEG
6
Read
,
EDCRA
8, 7, 6, 5, 4, 3, 2, 1, 0
3
capture resister
Electric angle
2
(Capture)
EDCAP
1
F/F
0
TMP89FM82
Position detect
INTPDC
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