參數(shù)資料
型號: MB9BF305RAPMC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP120
封裝: 16 X 16 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-120
文件頁數(shù): 91/104頁
文件大小: 1005K
代理商: MB9BF305RAPMC
87
FUJITSU SEMICONDUCTOR CONFIDENTIAL
r3.0
MB9B300A Series
(Continued)
*4: When 12bit A/D converter is used at AVcc<4.5V, there is a limitation as follows.
It canot be used at minimum compare clock cycle when HCLK is set over 54MHz, because maximum
compare clock division ratio is “9”(please refer FM3 PERIPHERAL MANUAL chapter “12bit A/D
converter”),
Please set the HCLK frequency under 54MHz.
(Equation 1) Ts ≥ ( Rin + Rext ) × Cin × 9
Ts
: Sampling time
Rin : input resistance of A/D = 0.93k
4.5 ≤ AVCC ≤ 5.5
input resistance of A/D = 2.04k
2.7 ≤ AVCC < 4.5
Cin : input capacity of A/D = 14.5pF
2.7 ≤ AVCC ≤ 5.5
Rext : Output impedance of external circuit
(Equation 2) Tc = Tcck × 14
Tc
: Compare time
Tcck : Comrare clock cycle
Analog signal
source
AN0 to AN15
Analog input pin
comparator
Rext
Rin
Cin
DS706-00024-1v0-E
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