ST92141 STMicroelectronics, ST92141 Datasheet - Page 125

• Manufacturer Part Number: ST92141
• Description: 8/16-bit Mcu For 3-phase Ac Motor Control
• Manufacturer: STMicroelectronics

INDUCTION MOTOR CONTROLLER (Cont’d)
7.4.8 Register Description
TACHO CAPTURE REGISTER HIGH (TCPTH)
R240 - Read Only
Register Page: 51
Reset Value: undefined
Bit 7:0 = TCH[7:0] Most Significant Byte of Tacho
Capture register.
TACHO CAPTURE REGISTER LOW (TCPTL)
R241 - Read Only
Register Page: 51
Reset Value: undefined
Bit 7:0 = TCL[7:0] Low Byte of Tacho Capture reg-
ister.
TCH7 TCH6 TCH5 TCH4 TCH3 TCH2 TCH1 TCH0
TCL7 TCL6 TCL5 TCL4 TCL3 TCL2 TCL1 TCL0
7
7
ST92141 - 3-PHASE INDUCTION MOTOR CONTROLLER (IMC)
0
0
TACHO COMPARE REGISTER (TCMP)
R242 - Read/Write
Register Page: 51
Reset Value: 1111 1111
Bit 7:0 = TCM[7:0] Byte of Tacho Compare regis-
ter.
When the Most Significant Byte of the Tacho
Counter reaches TCMP value, the Tacho Counter
is cleared and an OTC interrupt is generated both
in Continuous and One Shot mode.
TCM7 TCM6 TCM5 TCM4 TCM3 TCM2 TCM1 TCM0
7
(FFh)
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9
0