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參數資料
型號: FMS7401
廠商: Fairchild Semiconductor Corporation
元件分類: 基準電壓源/電流源
英文描述: Digital Power Controller
中文描述: 數字電源控制器
文件頁數: 39/80頁
文件大小: 1535K
代理商: FMS7401
PRODUCT SPECIFICATION
FMS7401/7401L
REV. 1.0.2 6/23/04
39
Figure 11. Timer 1’s PWM Mode Block Diagram
Figure 12. Example PWM Output Signals a) and b)
TMR1
Dead Time
Control
PORTGD
PWMOFF
T1HS1/G0
F
T1CLK
5
12
PS2 PS1 PS0
PSCALE
2
1
1
0
T1HS2/G5
T1CMPA
[11:0]
TMR1=T1CMPB
ENDAS
ADSTROBE
12
G1/AIN3
5
T1CMPB
[11:0]
TMR1=T1CMPA
Clock
DIVIDER
Fin
Fout
[11:0]
T1BOUT
DTIME
DT[4:0]
T1RA
[11:0]
T1PND
T
DT
T
DT
T
DT
T
PWM
T1HS1
T1HS2
0xFFF
T1RA
0x00
T1CMPA
T1CMPB
T
DT
T
DT
T1HS1
T1HS2
ADSTROBE
Sample
&
Hold
ADC
Conversion
ADC
Block
T
DT
T
DT
Sample
&
Hold
ADC
Conversion
Sample
&
Hold
ADC
Conversion
Sample
&
Hold
ADC
Conversion
T
SMP
T
CONV
a)
b)
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