ST92141 STMicroelectronics, ST92141 Datasheet - Page 173
ST92141
Manufacturer Part Number
ST92141
Description
8/16-bit Mcu For 3-phase Ac Motor Control
Manufacturer
STMicroelectronics
Datasheet
1.ST92141.pdf
(179 pages)
- Current page: 173 of 179
- Download datasheet (3Mb)
IMC TIMING TABLE
V
Note: The value in the left hand column shows the formula used to calculate the minimum or maximum timing from the oscillator clock period.
The value in the right hand two columns show the minimum and maximum timing for an internal clock at 25MHz (INTCLK).
Measurement points are taken with reference to V
(1) Formula guaranteed by design.
Legend:
Tck = INTCLK period = OSCIN period when OSCIN is not divided by 2;
IMC TIMING
N°
DD
1
2
3
4
5
6
7
8
9
TACHO
NMI
NMI
UH/UL/VH/VL/WH/WL
= 5V
TwTACLR
TwTACHR
TwTACHF
TwTACLF
TwNMILR
TwNMIHR
TwNMIHF
TwNMILF
TdPHZ
Symbol
10%, T
2 x OSCIN period when OSCIN is divided by 2;
OSCIN period x PLL factor when the PLL is enabled.
Tacho Low Level Minimum Pulse Width in Rising
Edge Mode
Tacho High Level Minimum Pulse Width in Ris-
ing Edge Mode
Tacho High Level Minimum Pulse Width in Fall-
ing Edge Mode
Tacho Low Level Minimum Pulse Width in Fall-
ing Edge Mode
NMI Low Level Minimum Pulse Width in Rising
Edge Mode
NMI High Level Minimum Pulse Width in Rising
Edge Mode
NMI High Level Minimum Pulse Width in Falling
Edge Mode
NMI Low Level Minimum Pulse Width in Falling
Edge Mode
Delay from NMI to Phases in High Impedance
5
A
=
/
–
40°C to +85°C, C
Parameter
6
IH
-V
IH
Load
for positive pulse and V
= 50pF, f
ST92141 - ELECTRICAL CHARACTERISTICS
INTCLK
9
IL
-V
= 25MHz, unless otherwise specified)
IL
for negative pulse
Formula
7
Tck
Tck
Tck
Tck
(1)
Value (Note)
1000
1000
1000
1000
1000
Min
40
40
40
40
8
Max
173/179
Unit
1
ns
ns
ns
ns
ns
ns
ns
ns
ns
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