参数资料
型号: MB9BF305NABGL
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PBGA112
封装: 10 X 10 MM, 1.45 MM HEIGHT, 0.80 MM PITCH, PLASTIC, FBGA-112
文件页数: 91/104页
文件大小: 1005K
代理商: MB9BF305NABGL
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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MB9BF305NAPMC 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP100
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