ST92T141K4M6 STMicroelectronics, ST92T141K4M6 Datasheet - Page 126
ST92T141K4M6
Manufacturer Part Number
ST92T141K4M6
Description
Microcontrollers (MCU) OTP EPROM 16K SPI
Manufacturer
STMicroelectronics
Datasheet
1.ST92T141K4B6.pdf
(179 pages)
Specifications of ST92T141K4M6
Data Bus Width
8 bit, 16 bit
Program Memory Type
EPROM
Program Memory Size
16 KB
Data Ram Size
512 B
Interface Type
SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
15
Number Of Timers
2
Operating Supply Voltage
4.5 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
SO-34
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit, 6 Channel
Lead Free Status / Rohs Status
No
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ST92141 - 3-PHASE INDUCTION MOTOR CONTROLLER (IMC)
INDUCTION MOTOR CONTROLLER (Cont’d)
INTERRUPT PENDING REGISTER (IPR)
R243 - Read/Write
Register Page: 51
Reset Value: 0000 0000 (00h)
Bit 7 = CM0: Compare 0 of PWM pending bit.
This bit is set by hardware when the PWM counter
reaches the value in the Compare 0 register while
CM0E=1. The CM0 bit must be cleared by soft-
ware.
0: No CMP0 interrupt occurred
1: CMP0 interrupt pending
Bit 6 = CPT: Capture of Tacho counter pending bit .
This bit is set by hardware when a Tacho signal
event occurs while CPTE=1. The CPT bit must be
cleared by software.
0: No CPT interrupt occurred
1: CPT interrupt pending
Bit 5 = OTC: Overflow of Tacho counter pending
bit.
This bit is set by hardware on a Tacho counter
overflow while OTCE=1. The OTC bit must be
cleared by software.
0: No OTC interrupt occurred
1: OTC interrupt pending
Bit 4 = ADT: Automatic Data Transfer pending
bit.
This bit is set by hardware when data is trans-
ferred from the preload registers to the compare
registers while ADTE=1. The ADT bit must be
cleared by software.
0: No ADT interrupt occurred
1: ADT interrupt pending
Bit 3 = ZPC: Zero of PWM counter pending bit.
This bit is set by hardware when the PWM counter
reaches zero while ZPCE=1. The ZPC bit must be
cleared by software.
0: No ZPC interrupt occurred
1: ZPC interrupt pending
Bit 2 = CPU: Compare U pending bit.
In Classical Mode (CMS bit = 0), this bit is set by
126/179
CM0
7
9
CPT
OTC
ADT
ZPC
CPU
CPV
CPW
0
hardware when the PWM Counter reaches the
Compare U register value while CPUE=1.
In Zerocentered Mode (CMS bit =1), this bit is set
by hardware when the PWM Counter reaches the
Compare U register value while CPUE=1 in up or
downcounting (depending on the UDIS bit in the
PSR register). The CPU bit must be cleared by
software.
0: No CPU interrupt occurred
1: CPU interrupt pending
Bit 1 = CPV: Compare V pending bit.
In Classical Mode (CMS bit = 0), this bit is set by
hardware when the PWM Counter reaches the
Compare V register value while CPVE=1.
In Zerocentered Mode (CMS bit =1), this bit is set
by hardware when the PWM Counter reaches the
Compare V register value while CPVE=1 in up or
downcounting (depending on the UDIS bit in the
PSR register). The CPPRS register). The CPV bit
must be cleared by software.
0: No CPV interrupt occurred
1: CPV interrupt pending
Bit 0 = CPW: Compare W pending bit.
In Classical Mode (CMS bit = 0), this bit is set by
hardware when the PWM Counter reaches the
Compare W register value while CPWE=1.
In Zerocentered Mode (CMS bit =1), this bit is set
by hardware when the PWM Counter reaches the
Compare W register value while CPWE=1 in up or
downcounting (depending on the UDIS bit in the
PSR register). The CPW bit must be cleared by
software.
0: No CPW interrupt occurred
1: CPW interrupt pending
Note 1: None of the bits in the IPR register can be
set by software, they can only be cleared.
Note 2: To clear the bits in the IPR register, the
user must not use direct addressing bit instruc-
tions such as AND, OR, BRES, etc. because some
interrupts may not be generated as expected. To
avoid this, do the following:
To clear one pending bit of the IPR register, load
the register with the mask corresponding to the bit
to be cleared.
For example:
To clear the CPW bit, use the instruction
LD R243,#1111 1110
rather than the instruction
AND R243,#1111 1110.
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