ST92P141K4D0 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
ST92P141K4D0 Datasheet PDF : 179 Pages
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ST92141 - 3-PHASE INDUCTION MOTOR CONTROLLER (IMC)
INDUCTION MOTOR CONTROLLER (Cont’d)
TACHO PRESCALER REGISTER
(TPRSH)
R244 - Read/Write
Register Page: 51
Reset Value: 0000 0000 (00h)
HIGH
7
0
-
-
-
-
TPRH TPRH TPRH TPRH
3
2
1
0
PWM COUNTER PRESCALER
(CPRS)
R246 - Read/Write
Register Page: 51
Reset Value: 0000 0000 (00h)
REGISTER
7
0
CPR7 CPR6 CPR5 CPR4 CPR3 CPR2 CPR1 CPR0
Bit 7:4 = Reserved.
Bit 3:0 = TPRH[3:0] Most Significant Bits of tacho
prescaler value (N).
Bit 7:0 = CPR[7:0] PWM counter prescaler value
(N).
This value divides the INTCLK frequency by (N
+1), i.e. if N = 0, INTCLK is divided by 1.
TACHO PRESCALER REGISTER LOW (TPRSL)
R245 - Read/Write
Register Page: 51
Reset Value: 0000 0000 (00h)
7
0
TPRL TPRL TPRL TPRL TPRL TPRL TPRL TPRL
7
6
5
4
3
2
1
0
Bit 7:0 = TPRL[7:0] Low byte of tacho prescaler
value (N).
If N = 0 Tacho Prescaler divides by 1.
REPETITION COUNTER REGISTER (REP)
R247 - Read/Write
Register Page: 51
Reset Value: 0000 0000 (00h)
7
0
REP7 REP6 REP5 REP4 REP3 REP2 REP1 REP0
Bit 7:0 = REP[7:0] Repetition counter value (N).
If N = 0, each time the PWM Counter reaches ze-
ro, the Compare registers are updated and an
ADT interrupt is generated.
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