參數資料
型號： M38K29F8LFP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64
封裝： 14 X 14 MM, 0.80 MM PITCH, PLASTIC, LQFP-64
文件頁數： 116/151頁
文件大小： 1403K
代理商： M38K29F8LFP
38K2 Group
Rev.3.00
Oct 15, 2006
page 67 of 147
REJ03B0193-0300
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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相關代理商/技術參數
參數描述
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