ST92F150JDV1 STMicroelectronics, ST92F150JDV1 Datasheet - Page 390
ST92F150JDV1
Manufacturer Part Number
ST92F150JDV1
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet
1.ST92F150CR1.pdf
(429 pages)
Specifications of ST92F150JDV1
Internal Memory
Single Voltage FLASH up to 256 Kbytes, RAM up to 8Kbytes, 1K byte E3 (Emulated EEPROM)
Minimum Instruction Time
83 ns (24 MHz int. clock)
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ST92F124/F150/F250 - ELECTRICAL CHARACTERISTICS
WATCHDOG 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,
watchdog 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 24MHz, with minimum and
maximum prescaler value and minimum and maximum counter value.
Measurement points are V
Legend:
Tck = INTCLK period = Crystal Oscillator Clock period when CLOCK1 is not divided by 2;
Psc = Watchdog Prescaler Register content (WDTPR): from 0 to 255
Cnt = Watchdog Couter Registers content (WDTRH,WDTRL): from 0 to 65535
T
WATCHDOG TIMING
390/429
1
N°
WDIN
1
2
3
4
DD
= Watchdog Input signal period (WDIN), T
= 5V ± 10%, T
TwWDOL
TwWDOH
TwWDIL
TwWDIH
Symbol
2 x Crystal Oscillator Clock period when CLOCK1 is divided by 2;
Crystal Oscillator Clock period x PLL factor when the PLL is enabled.
WDOUT Low Pulse Width
WDOUT High Pulse Width
WDIN High Pulse Width
WDIN Low Pulse Width
A
OH
=
or V
–
40°C to +125°C, C
IH
for positive pulses and V
Parameter
WDIN
≥ 8 x Tck
Load
OL
= 50pF, f
or V
IL
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
for negative pulses.
INTCLK
Formula
≥ 4 x Tck
≥ 4 x Tck
= 24MHz, Push-pull output configuration,
Value
WDIN
WDIN
Min
167
333
167
333
167
167
Max
2.8
2.8
Unit
ns
ns
ns
ns
ns
ns
s
s
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