
7600 Series
Mitsubishi Microcomputer
M37640E8-XXXF Preliminary Specification
6/2/98
5-15
Figure 5-31. Data Bus Buffer Control Register 1
Figure 5-32. Function Address Register
Figure 5-33. Power Management Register
Figure 5-34. Interrupt Status Register 1
DBBC10
OBF
Output Selection Bit (bit 0)
0: P7
4
pin is operated as GPIO
1: P7
pin is operated as OBF
1
output pin if DBBC17 = “1”
IBF
Output Selection Bit (bit 1)
0: P7
3
pin is operated as GPIO
1: P7
pin is operated as IBF
1
output pin if DBBC17 = “1”
IBF
Interrupt Selection Bit (bit 2)
0: IBF
1
interrupt is generated by both write-data (A
0
= “0”) and write-command (A
0
= “1”)
1: IBF
interrupt is generated by write-command (A
0
= “1”) only
Output Buffer 1 Empty interrupt disable Bit (bit 3)
0: Enabled
1: Disabled
Input Buffer 1 Full interrupt disable Bit (bit 4)
0: Enabled
1: Disabled
Reserved (Read/Write “0”)
Reserved (Read/Write “0”)
Data Bus Buffer Function Selection Bit (bit 7)
0: Single data bus buffer - P7
2
is used as GPIO
1: Double data bus buffer - P7
2
is used as S
1
input
DBBC11
DBBC12
DBBC13
DBBC14
DBBC15
DBBC16
DBBC17
MSB
7
LSB
0
DBBC11
DBBC10
Access: R/W
Reset: 00
16
DBBC12
DBBC17
Address: 004E
16
Reserved
DBBC13
DBBC14
Reserved
FUNAD6:0
7-bit programmable Function Address (bits 6-0)
Bit 7
Reserved (Read/Write “0”)
MSB
7
LSB
0
Reserved
FUNAD6
FUNAD5
FUNAD4
FUNAD3
FUNAD1
FUNAD0
Access: R/W
Reset: 00
16
FUNAD2
Address: 0050
16
SUSPEND
USB Suspend Detection Flag (bit 0) (Write “0” only or Read)
0: No USB suspend signal detected
1: USB suspend signal detected
USB Resume Detection Flag (bit 1) (Write “0” only or Read)
0: No USB resume signal detected
1: USB resume signal detected
USB Remote Wake-up Bit (bit 2)
0: End remote resume signaling
1: Remote resume signaling (If SUSPEND = “1”)
RESUME
WAKEUP
Bit7:3
Reserved (Read/Write “0”)
MSB
7
LSB
0
Reserved
Reserved
Reserved
Reserved
Reserved
RESUME SUSPEND
Access: R/W
Reset: 00
16
WAKEUP
Address: 0051
16
INTST0
USB Endpoint 0 Interrupt Status Flag (bit 0)
Bit 1
Reserved (Read/Write “0”)
INTST2
INTST3
INTST4
INTST5
INTST6
INTST7
USB Endpoint 1 IN Interrupt Status Flag (bit 2)
USB Endpoint 1 OUT Interrupt Status Flag (bit 3)
USB Endpoint 2 IN Interrupt Status Flag (bit 4)
USB Endpoint 2 OUT Interrupt Status Flag (bit 5)
USB Endpoint 3 IN Interrupt Status Flag (bit 6)
USB Endpoint 3 OUT Interrupt Status Flag (bit 7)
0: No interrupt request issued
1: Interrupt request issued
MSB
7
LSB
0
INTST7
INTST6
INTST5
INTST4
INTST3
Reserved
INTST0
Access: R/W
Reset: 00
16
INTST2
Address: 0052
16