參數(shù)資料
型號: MB90573PFV
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, 16 MHz, MICROCONTROLLER, PQFP120
封裝: 20 X 20 MM, 3.85 MM HEIGHT, 0.50 MM PITCH, PLASTIC, QFP-120
文件頁數(shù): 39/135頁
文件大?。?/td> 2504K
代理商: MB90573PFV
39
MB90570 Series
2. Timebase Timer
The timebase timer is a 18-bit free run counter (timebase counter) for counting up in synchronization to the
internal count clock (divided-by-2 of oscillation) with an interval timer function for selecting an interval time from
four types of 2
12
/HCLK, 2
14
/HCLK, 2
16
/HCLK, and 2
19
/HCLK.
The timebase timer also has a function for supplying operating clocks for the timer output for the oscillation
stabilization time or the watchdog timer etc.
(1) Register Configuration
(2) Block Diagram
. . . . . . . . . . . .
Timebase timer control register (TBTC)
RESV
bit 15
bit 14
bit 13
bit 12
bit 11
bit 10
bit 9
bit 8
bit 7
bit 0
R/W
R/W
W
R/W
R/W
(WDTC)
Initial value
1--00100
B
Address
0000A9
H
TBIE
TBOF
TBR
TBC1
TBC0
R/W : Readable and writable
W : Write only
— : Unused
RESV: Reserved bit
. . .
. . .
To 8/16-bit PPG timer
Timebase timer counter
Divided-by-2
of HCLK
Power-on reset
Start stop mode
CKSCR: MCS = 1
0*
1
Counter
clear circuit
Interval
timer selector
Clear TBOF
Set TBOF
Timebase timer control register
(TBTC)
Timebase timer
interrupt signal
#34*
2
OF: Overflow
HCLK: Oscillation clock
*1: Switch machine clock from oscillation clock to PLL clock
*2: Interrupt signal
RESV
TBIE
TBR
TBOF
TBC1 TBC0
To oscillation stabilization
time selector of clock control block
To watchdog timer
OF
OF
OF
OF
×
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
相關(guān)PDF資料
PDF描述
MB90574 16-bit Proprietary Microcontroller
MB90574C 16-bit Proprietary Microcontroller
MB90574PFF Octal Buffers/Drivers With 3-State Outputs 20-LCCC -55 to 125
MB90574PFV Octal Buffers/Drivers With 3-State Outputs 20-CFP -55 to 125
MB90574CPFV 16-bit Proprietary Microcontroller
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