參數資料
型號: M30240E9-XXXFP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
中文描述: 單片16位CMOS微機
文件頁數: 50/142頁
文件大小: 1637K
代理商: M30240E9-XXXFP
1-50
Mitsubishi microcomputers
M30240 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Preliminary Specifications REV. E
Specifications in this manual are tentative and subject to change
Universal Serial Bus
2.18.4.2 USB Control Register
The USB Control Register, shown in Figure 1.31
,
is used to control the USB FCU. This register is not reset
by a USB reset signaling. After the USB is enabled (USBC7 set to “1”), a minimum delay of 250ns (three 12
MHz clock periods) is needed before performing any other USB register read/write operations.
Figure 1.31: USB Control Register
2.18.4.3 USB Function Address Register
The USB Function Address Register, shown in Figure 1.32, maintains the 7-bit USB address assigned by the
host. The USB FCU uses this register value to decode USB token packet addresses. At reset, when the de-
vice is not yet configured, the value is 00
16
. For the procedures on how to update this register, refer to Appli-
cation Notes USB Consecutive Set Address.
Figure 1.32: USB Function Address Register
USB Control Register
Symbol
USBC
Address
000C16
When reset
0016
Bit name
Bit symbol
b7
b6
b5
b4
b3
b2
0 0 0
b1
b0
Function
W
R
Must always be set to "0"
Reserved
USBC3
USBC4
USBC5
USBC6
USBC7
Tranceiver voltage converter
High/Low current mode selection
USB tranceiver voltage converter
enable bit
USB clock enable bit
USB SOF port select bit
USB enable bit
0: High current mode (Note 1)
1: Low current mode (Note 2)
0: Disabled
1: Enabled
0: Disabled
1: Enabled
0: Disabled (Note 3)
1: Enabled
0: Disabled (Note 4)
1: Enabled
Note 1: For USB normal operation
Note 2: For USB suspend operation
Note 3: P8
6
is used as GPIO pin
Note 4: All USB internal registers are held at their default values.
Function Address Register
Symbol
USBA
Address
0300
16
When reset
00
16
Bit name
Bit symbol
b7
0
b6
b5
b4
b3
b2
b1
b0
FUNAD0-6
Function
W
R
Reserved
Must always be set to "0"
7-bit programmable
Function Address
Function Address
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