Ver 1.3
PRELIMINARY
EAGLE
31:4
3:0
R/W Reserved
R/W OSI Register Index
-
All 0’s
3.31.2.18 OSI Data Register
Co-processor #0 – R0(DIX00-DIX07)
Bit
R/W
Description
Default Value
31:1
R/W Break Point Address Bits[31:1]
All 0’s
Break Point Property
(0 : Instruction Break Point, 1 : Data Break Point)
3:0
R/W
All 0’s
3.31.2.19 OSI RS-232C Status Register
Co-processor #0 – R0(DIX08)
Bit
R/W
Description
Default Value
31:4
R
R
R
R
R
Reserved
-
3
2
1
0
OSI RS-232C receive over run error
OSI RS-232C receive frame error
OSI RS-232C receive buffer full
OSI RS-232C transmit buffer empty
0b
0b
0b
0b
3.31.2.20 OSI RS-232C Control Register
Co-processor #0 – R0(DIX08)
Bit
R/W
Description
Default Value
31:12
W
Reserved
-
Buffer Clear
11
10:9
8
W
W
W
0 : Null
1 : Clear OSI-UART Buffer
Control break by RS-232C received data
0x : Null
10 : Disable
11 : Enable
Bit 7-0 usage control
0 : Null
0b
0b
0b
1 : RS-232C clock divider
OSI RS-232C Clock Divider (Setting Baud Rate)
CPUClockRate
BaudRate =
(ClockDivider +1)×16
Frequently Used Settings
1) 100MHz CPU Clock
38400 : A1h
7:0
W
0b
57600 : 68h
115200 : 35h
2) 8MHz CPU Clock
19200: 19h
38400: 0Ch
57600: 07h
115200: 03h
227
CONFIDENTIAL
Beijing Peak Microtech Co.Ltd.