參數(shù)資料
型號(hào): M30240M5-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(shù): 41/139頁
文件大?。?/td> 1453K
代理商: M30240M5-XXXFP
135
Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Specifications REV. G
Specifications in this manual are tentative and subject to change
Attach/Detach Function
1.5.2 Attach/Detach Function
The Attach/Detach Function can be used to attach or detach a USB function from the host without
disconnecting the cable. When attaching a USB function, the connect registers should be set to 0316 at
the same time on or before the DC-DC Converter is enabled. Similarly, when detaching the connect
register, it should be set to 0116 when powering down the DC-DC Converter.
If you do not set the connect (address 001F16) to HIGH, the system will default to its normal mode.
Note: If the D+ is connected to EXTCAP, this mode will not work.
D+ is connected to EXTCAP through a 1.5 K resistor in compliance with the USB specification. USB
Suspend/Resume Function
Hardware connections are shown below
1.5.3 Low Pass Filter Network
All passive components should be in close proximity to pin 78 (LPF), capacitors should be X7R di-
electric or better. The recommended values are listed in Table 1.51. See Figure 1.119 for schematic of
the LPF.
Analog Vss and Analog Vcc, pins 77 and 80 should have isolated connections to the digital Vss and Vcc
ground planes. Figure 1.120 shows the power supply isolation.
Table 1.13:
Recommended values
Figure 1.119: LPF Filter Schematic
Figure 1.120: Power Supply
R = 1000
10%
C2 = 680 pf
10%
C1 = 0.1
f
10%
Attach is connected to D+ through 1.5 K resistor.
ATTACH [P83]
D+ (pin 9 M30240)
Attach/Detach mode disabled
EXTCAP
D+ (pin 9 M30240)
1.5 K
R
C1
C2
Pin 78
(LPF)
Pin 77
AVss
Digital
Vcc
(on card)
Digital
Vss
Analog
Vss (Pin 77)
Analog
Vcc (Pin 80)
C
Decoupling
Capacitors
Ferrite Beads
Figure 1.119
Figure 1.120
相關(guān)PDF資料
PDF描述
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