參數(shù)資料
型號(hào): MB90427GPFV
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁(yè)數(shù): 36/99頁(yè)
文件大?。?/td> 1714K
代理商: MB90427GPFV
MB90420G/5G (A) Series
41
5.
Real Time Clock Timer
The real time clock timer is composed of a real time clock timer control register, sub second data register, second/
minute/hour data registers, 1/2 clock divider, 21-bit prescaler and second/minute/hour counters. Because the
MCU oscillation frequency operates on a given real time clock timer operation, a 4 MHz frequency is assumed.
The real time clock timer operates as a real world timer and provides real world time information.
Block diagram
INTE0 INT0
EN
CI
EN
LOAD
CO
OE
WOT
IRQ
CO
INTE1
ST
UPDT
INT1
INTE2 INT2
INT3
Main oscillator clock
1/2 clock
divider
21-bit
prescaler
Sub second
register
Second
counter
Minute
counter
Hour
counter
6-bit
5-bit
Second/minute/hour register
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參數(shù)描述
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