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參數(shù)資料
| 型號： | MB90823PF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-bit Proprietary Microcontroller |
| 中文描述： | 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 42/100頁 |
| 文件大?。?/td> | 992K |
| 代理商： | MB90823PF |
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MB90820 Series
42
3.
Timebase Timer
The timebase timer is an 18-bit free-running counter (timebase counter) that counts up in synchronization with
the internal count clock (divided by 1/2 of oscillation clock).
Features of timebase timer :
Generates the interruption at counter-overflow
Supports for EI
2
OS
Interval timer function:
Generates an interrupt at four different time intervals
Clock supply function:
Four different clock can be selected as watchdog timer’s count clock
Supply clock for oscillation stabilization
(1) Register configuration
(2) Block diagram
15
14
13
12
11
10
9
8
R/W
1
Address: 0000A9
H
R/W
0
R/W
0
W
1
R/W
0
R/W
0
Reserved
TBIE
TBOF
TBR
TBC1
TBC0
Timebase Timer Control Register
TBTC
Initial value
Read/write
Bit number
X
X
OF: Overflow
HCLK: Oscillation clock
*1: Switching of the machine clock from the oscillation clock to the PLL clock
*2: Interrupt number
OF
OF
OF
Timebase
timer counter
Divided by
2 of HCLK
Power-on reset
Stop mode start
Counter
clear circuit
Interval
timer selector
To watchdog timer
To the oscillation
setting time selector
in the clock control
section
×
2
1
×
2
2
×
2
3
. . .
. . .
×
2
8
×
2
9
×
2
10
×
2
11
×
2
12
×
2
13
×
2
14
×
2
15
×
2
16
×
2
17
×
2
18
OF
Counter clear
Reserved
—
TBR TBC1 TBC0
—
TBIE TBOF
CKSCR: MCS = 1, 0*
1
Timebase timer
control register
(TBTC)
TBOF clear
TBOF set
Timebase timer
interrupt signal
#36 (24
H
)*
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90823PFM | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90823PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90860A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit general-purpose microcontroller |
| MB90860E | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90867A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit general-purpose microcontroller |
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