ST92141 STMicroelectronics, ST92141 Datasheet - Page 165

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

STANDARD TIMER TIMING TABLE
(V
unless otherwise specified)
Note: The value in the left hand column shows the formula used to calculate the timing minimum or maximum from the oscillator clock period,
standard timer prescaler and counter programmed values.
The value in the right hand two columns show the timing minimum and maximum for an internal clock (INTCLK) at 25MHz, with minimum and
maximum prescaler value and minimum and maximum counter value.
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;
Psc = Standard Timer Prescaler Register content (STP): from 0 to 255
Cnt = Standard Timer Counter Registers content (STH,STL): from 0 to 65535
T
STANDARD TIMER TIMING
N°
STIN
1
2
3
4
DD
= Standard Timer Input signal period (STIN).
= 5V
TwSTOL
TwSTOH
TwSTIL
TwSTIH
Symbol
10%, T
OSCIN period x PLL factor when the PLL is enabled.
2 x OSCIN period when OSCIN is divided by 2;
STOUT Low Pulse Width
STOUT High Pulse Width
STIN High Pulse Width
STIN Low Pulse Width
A
=
–
40°C to +85°C, C
Parameter
IH
-V
IH
Load
/ V
OH
-V
= 50pF, f
OH
ST92141 - ELECTRICAL CHARACTERISTICS
for positive pulse and V
4 x (Psc+1) x (Cnt+1) x Tck
4 x (Psc+1) x (Cnt+1) x Tck
(Psc+1) x (Cnt+1) x T
(Psc+1) x (Cnt+1) x T
with T
with T
INTCLK
Formula
4 x Tck + 10
4 x Tck + 10
STIN
STIN
= 25MHz, Push-pull output configuration,
8 x Tck
8 x Tck
(1)
Value (Note)
IL
-V
IL
STIN
STIN
/ V
OL
-V
OL
for negative pulse
Min
160
320
160
320
170
170
Max
2.69
2.69
165/179
Unit
1
ns
ns
ns
ns
ns
ns
s
s