ST92E163-EPB/US STMicroelectronics, ST92E163-EPB/US Datasheet - Page 219
ST92E163-EPB/US
Manufacturer Part Number
ST92E163-EPB/US
Description
KIT DEMO MASS STORAGE
Manufacturer
STMicroelectronics
Type
Microcontroller Programmerr
Datasheet
1.ST92E163-EPBUS.pdf
(230 pages)
Specifications of ST92E163-EPB/US
Contents
Programmer, Cable, Power Supply, Software, Manual and more
For Use With/related Products
ST9 MCUs
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 219 of 230
- Download datasheet (6Mb)
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.
(1) 3.0 - 4.0V voltage range is only available on devices with suffix L or V, with different frequency limitations (L: 8 MHz, V: 16 MHz)
Legend:
Tck = INTCLK period = OSCIN period when OSCIN is not divided by 2;
Psc = Watchdog Prescaler Register content (WDTPR): from 0 to 255
Cnt = Watchdog Counter Registers content (WDTRH,WDTRL): from 0 to 65535
T
WATCHDOG TIMING
N°
WDIN
1
2
3
4
DD
= Watchdog Input signal period (WDIN)
TwWDOL
TwWDOH
TwWDIL
TwWDIH
= 3.0 - 5.5V
Symbol
OSCIN period x PLL factor when the PLL is enabled.
2 x OSCIN period when OSCIN is divided by 2;
(1)
WDOUT Low Pulse Width
WDOUT High Pulse Width
WDIN High Pulse Width
WDIN Low Pulse Width
, T
A
= 0°C + 70°C, C
Parameter
Load
= 50pF, f
ST92163R4 - ELECTRICAL CHARACTERISTICS
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
≥ 4 x Tck
≥ 4 x Tck
Formula
WDIN
WDIN
= 24MHz, Push-pull output configuration,
≥ 8 x Tck
≥ 8 x Tck
Value (Note)
WDIN
WDIN
Min
167
333
167
333
167
167
Max
2.8
2.8
219/230
Unit
ns
ns
ns
ns
ns
ns
s
s
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