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MB90387 Datenblatt(PDF) 39 Page - Cypress Semiconductor

Teilenummer MB90387
Bauteilbeschribung  16-bit Microcontrollers F2MC-16LX
PDF  82 Pages
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Hersteller  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

MB90387 Datenblatt(HTML) 39 Page - Cypress Semiconductor

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Document Number: 002-07765 Rev. *A
Page 38 of 81
MB90387/387S/F387/F387S
MB90V495G
Watch Timer Block Diagram
Actual interrupt request number of watch timer is as follows:
Interrupt request number: #28 (1CH)
Watch Timer Counter
A 15-bit up counter that uses sub clock (SCLK) as a count clock.
Counter Clear Circuit
A circuit that clears the watch timer counter.
WTOF WTR
WTC1 WTC0
WTC2
WDCS SCE WTIE
25
24
23
21
29
210
211
212
213
214
215
28
27
26
22
SCLK
OF
OF
OF
OF
OF
OF
OF
OF
To watchdog
timer
Watch timer counter
Power-on reset
Shift to hardware standby
Shift to stop mode
To sub clock oscillation
stabilizing wait time
Interval timer
selector
Watch timer interrupt
OF
: Overflow
SCLK: Sub clock
Watch timer control register (WTC)
Counter
clear
circuit



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