參數(shù)資料
型號： M38K27M4-XXXHP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64
封裝： 10 X 10 MM, 0.50 MM PITCH, PLASTIC, LQFP-64
文件頁數(shù)： 126/160頁
文件大?。?/td> 2177K
代理商： M38K27M4-XXXHP
67
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
38K2 Group
Fig. 100 Structure of DP2 control register
Fig. 101 Structure of DP2 status register
b7
b0
DSCONN2
DSPTEN2
DSSUSP2
DSDETE2
DSRSTO2
DSRSMO2
DSRMOD2
DSLSPD2
–
0
DP2 control register (DP2CON) [address 002C16]
Bit name
Bit symbol
At reset
Function
H/W
S/W
Downstream port 2 connect bit
Downstream port 2 enable bit
Downstream port 2 suspend bit
Downstream port 2 connect-
state detection enable bit
Downstream port 2 SE0 signal
transmit bit
Downstream port 2 resume
signal transmit bit
Downstream port 2 bus-state
read mode control bit
Downstream port 2 USB transfer
speed select bit
0 : Disconnect ; PTCON2 interrupt enabled
1 : Connect ; PTDIS2 interrupt enabled
0 : Downstream port 2 disabled
1 : Downstream port 2 enabled ; This bit is cleared when
an interrupt of PTDIS2 or PTERR2 is generated.
0 : No port suspended
1 : Port suspended; This bit is cleared when an interrupt
of PTDIS2 or PTRSM2 is generated.
0 : Connect-state detection disabled ; PTCON2 and PTDIS2
interrupts disabled
1 : Connect-state detection enabled ; This bit is cleared when an
interrupt of PTCON2, PTDIS2 or PTERR2 is generated.
0 : Being not output
1 : SE0 signal being output
0 : Being not output
1 : K-signal being output ; When writing “0”, a low-speed
EOP is output and then a transition to being not
output occurs.
0 : Mode where a downstream port 2 bus-state is read,
using RD signal
1 : Mode where a downstream port 2 bus-state is read,
using EOF2 signal (internal signal)
0 : Full-speed mode (12MHz)
1 : Low-speed mode (1.5 MHz)
O
–: State remaining
W
R
b7
b0
D2MINUS
D2PLUS
b7:b2
DP2 status register (DP2STS) [address 002D16]
Bit name
Bit symbol
At reset
Function
H/W
S/W
–: State remaining
00
0
D2- signal bit
D2+ signal bit
Not used
In-
definite
In-
definite
–
In-
definite
In-
definite
–
O
O
In DSRMOD2 = “0”, a downstream port 2 bus-state is
read, using RD signal.
In DSRMOD2 = “1”, a downstream port 2 bus-state is
read, using EOF2 signal (internal signal).
In DSRMOD2 = “0”, a downstream port 2 bus-state is
read, using RD signal.
In DSRMOD2 = “1”, a downstream port 2 bus-state is
read, using EOF2 signal (internal signal).
Write “0” when writing.
“0” is read when reading.
W
R
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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