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參數資料
| 型號： | M30240M6-XXXFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 0.80 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數： | 42/139頁 |
| 文件大?。?/td> | 1453K |
| 代理商： | M30240M6-XXXFP |
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136
Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Specifications REV. G
Specifications in this manual are tentative and subject to change
USB Transceiver
1.5.4 USB Transceiver
When using the on-chip voltage converter to supply the necessary 3.3V to the driver circuit, a capacitor
network must be connected between Ext. Cap (pin 6) and VSS (pin 13). Two capacitors are required
as shown in Figure 1.21. The high frequency 0.1
F capacitor should be an X7R type or better. The
low frequency decoupling capacitor of 2.2
F should be of tantalum di-electric or better. The start-up
time for this value of the capacitor is 3.2 ms, approximately (1ms/
F) + 1 ms.
After enabling the on-chip voltage converter, a certain amount of time must pass before a wait or stop
clock instruction is executed. The amount of time is given by (C+1) ms, when C is the value in
F of
the external capacitance connected to the Ext. Cap pin. For example, if the external capacitance is 2.2
F, at least 3.2 ms must elapse from the time that the on-chip voltage converter is enabled until a WAIT
instruction or STOP command (CM10 = 1) is executed.
In order to meet the impedance matching requirements of the USB Specification, a 27
-33 resistor
must be added to USB D+ (pin 9) and to USB D- (pin 10). In addition, capacitors connected between
USB D+ and USB D- or USB D+/D- and Vss may need to be added for rise/fall time matching and
edge control. These capacitors should be placed after the 33
resistors. Their configuration and val-
ues will depend on the PCs layout. The placement of external components is illustrated in Figure .
Figure 1.121: Configuration of External USB components
27-33
27-33
+
_
D+
D-
XCV_Vm_in
XCV_Vp_in
XCV_Rxd
XCV_Vp_out
XCV_Suspend
XCV_Vm_out
XCV_Txen_n
Transceiver
USB_Vp_out
USB_Txen_n
USB_Vm_out
USB_Suspend
USB_Rxd
USB_Vp_in
USB_Vm_in
USB Block
Voltage Converter
2.2
F
0.1
F 10%
EXTCAP
22 pF
10%
33 pF
(Note)
Note: Capacitor and resistor values and configuration may depend on PCB layout.
相關PDF資料 |
PDF描述 |
|---|---|
| M30240M6-XXXFP | 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80 |
| M30240M5-XXXFP | 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80 |
| M30240M6-XXXXFP | 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80 |
| M30240ECFP | 16-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PQFP80 |
| M30240M5-XXXXFP | 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP80 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| M30240M7 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M7-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M8 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M8-XXXFP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30240M9 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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