参数资料
型号: MB90F334APFF
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP120
封装: 14 X 14 MM, 1.70 MM HEIGHT, 0.40 MM PITCH, PLASTIC, LFQFP-120
文件页数: 54/120页
文件大小: 1210K
代理商: MB90F334APFF
MB90330A Series
39
2.
Time-base timer
The time-base timer is an 18-bit free-run counter (time-base timer counter) that counts in synchronization with
the main clock (2 cycles of the oscillation clock HCLK). Four different time intervals can be selected, for each of
which an interrupt request can be generated. Operating clock signals are supplied to peripheral resources such
as the oscillation stabilization wait timer and watchdog timer.
Interval time of time-base timer
Notes :
HCLK : Oscillation clock frequency
The parenthesized values assume an oscillator clock frequency of 6 MHz.
Clock cycles supplied from time-base timer
Notes :
HCLK : Oscillation clock frequency
The parenthesized values assume an oscillator clock frequency of 6 MHz.
Register list
Internal count clock cycle
Interval time
2/HCLK (0.33
s)
212/HCLK (Approx. 0.68 ms)
214/HCLK (Approx. 2.7 ms)
216/HCLK (Approx. 10.9 ms)
219/HCLK (Approx. 87.4 ms)
Where to supply clock
Clock cycle
Main clock oscillation
stabilization wait
213/HCLK (Approx. 1.36 ms)
215/HCLK (Approx. 5.46 ms)
217/HCLK (Approx. 21.84 ms)
Watch dog timer
212/HCLK (Approx. 0.68 ms)
214/HCLK (Approx. 2.7 ms)
216/HCLK (Approx. 10.9 ms)
219/HCLK (Approx. 87.4 ms)
Time-base timer control register (TBTC)
bit
Initial Value
Address : 0000A9H
1 - - 00100B
(
)( )
( R/W )
( W )
( R/W )
15
14
13
12
11
10
9
8
( R/W )
RESV
TBIE
TBOF
TBR
TBC1
TBC0
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