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38K2 Datasheet(PDF) 64 Page - Renesas Technology Corp

Part # 38K2
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PDF  151 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

38K2 Datasheet(HTML) 64 Page - Renesas Technology Corp

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38K2 Group
Rev.3.00
Oct 15, 2006
page 64 of 147
REJ03B0193-0300
Fig. 96 Structure of DP1 interrupt source register
(1) Downstream port 1
b7
b0
PTDIS1
PTCON1
PTERR1
PTRSM1
PTCHG1
b7:b5
0
0
0
0
0
–
–
–
–
–
–
–
DP1 interrupt source register (DP1REQ) [address 002B16]
Bit name
Bit symbol
At reset
Function
H/W
S/W
00
0
Downstream port 1 disconnect
detection interrupt bit
Downstream port 1 connect
detection interrupt bit
Downstream port 1 port error
interrupt bit
Downstream port 1 resume
interrupt bit
Downstream port 1 bus-change
detection interrupt bit
Not used
0: No interrupt request issued
1: Interrupt request issued
This bit is set to “1” when detecting a bus-disconnect
state (2.5
µs or more of SE0) on a downstream port 1 in
DSCONN1 = “1”.
“0” can be set by software, but “1” cannot be set.
0: No interrupt request issued
1: Interrupt request issued
This bit is set to “1” when detecting a bus-connect
state (2.5
µs or more of J- or K- state) on a downstream
port 1 in DSCONN1 = “0”.
“0” can be set by software, but “1” cannot be set.
0: No interrupt request issued
1: Interrupt request issued
This bit is set to “1” when an error occurs on a
downstream port 1.
“0” can be set by software, but “1” cannot be set.
0: No interrupt request issued
1: Interrupt request issued
This bit is set to “1” when detecting a resume signal
on a downstream port 1 in the condition of HUB
suspended or port suspended state.
“0” can be set by software, but “1” cannot be set.
0: No interrupt request issued
1: Interrupt request issued
This bit is set to “1” when detecting a bus-change of a
downstream port 1 in the condition of HUB suspended
state. It is also “1” in the internal clock halted.
“0” can be set by software, but “1” cannot be set.
Write “0” when writing.
“0” is read when reading.
O
O
O
O
O
O
O
O
O
O
O
O
–: State remaining
W
R



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