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參數(shù)資料
| 型號(hào)： | MB90522PFF-G |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120 |
| 封裝： | PLASTIC, LQFP-120 |
| 文件頁(yè)數(shù)： | 38/127頁(yè) |
| 文件大?。?/td> | 2636K |
| 代理商： | MB90522PFF-G |
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MB90520 Series
18
6. Turning-on Sequence of Power Supply to A/D Converter and Analog Inputs
Make sure to turn on the A/D converter power supply, D/A converter power supply (AVCC, AVRH, AVRL, DVCC,
DVSS) and analog inputs (AN0 to AN7) after turning-on the digital power supply (VCC).
Turn-off the digital power after turning off the A/D converter supply and analog inputs. In this case, make sure
that AVRH and DVCC not exceed AVCC (turning on/off the analog and digital supplies simultaneously is
acceptable).
7. Connection of Unused Pins of A/D Converter
Connect unused pins of A/D converter and those of D/A converter to AVCC = DVCC = VCC, AVSS = AVRH = AVRL
= VSS.
8. N.C. Pin
The N.C. (internally connected) pin must be opened for use.
9. Notes on Energization
To prevent the internal regulator circuit from malfunctioning, set the voltage rise time during energization at 50
or more
s (0.2 V to 2.7 V).
10. Use of SEG/COM Pins for the LCD Controller/Driver as Ports
In MB90520 series, pins SEG08 to SEG31, and COM0 to COM3 can also be used general-purpose ports. The
electrical standard is such that pins SEG08 to SEG23, and COM0 to COM3 have the same ratings as the CMOS
output port, while pins SEG24 to SEG31 have the same ratings as the open-drain type.
11. Initialization
In the device, there are internal registers which is initialized only by a power-on reset. To initialize these registers
turning on the power again.
12. Interrupt Recovery from the Standby State
“H” level request must be an input request when using an external interrupt to recover from the standby state.
In this case “L” level request may occur malfunction.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90522PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90523 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90523A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90523APFF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90523APFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
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