Unibrain Fire-i 530/550/630/830/850 Operation Manual
Page 59
Write : 0: Clear flag 1: Ignored
PER
[14]
Receive data parity error
Read : Current status
Write : 0: Clear flag 1: Ignored
-
[15]
Reserved
008h
Receive_Buffer_Sta
tus_Control
RBUF_ST
[0..8]
SIO receive buffer status
Read :
Valid data size of current receive buffer
Write : Ignored
RBUF_CNT
[8..15]
SIO receive buffer control
Read : Remain data size for read
Write : Set input data size
-
[16..31]
Reserved
00Ch
Transmit_Buffer_St
atus_Control
TBUF_ST
[0..7]
SIO ouput buffer status
Read :
Available data space of transmit buffer
Write : Ignored
TBUF_CNT
[8..15]
SIO output buffer control
Read : Written data size to buffer
Write : Set output data size for transmit
-
[16..31]
Reserved
010h
..
0FFh
Reserved
100h
SIO_Data_Register
Char_0
[0..7]
Chracter_0
Read : Read character from receive buffer
Padding data, if data is not available
Write : Character to transmit buffer
padding data if data is invalid
Char_1
[8..15]
Chracter_1
Read : Read character from receive buffer
+1 Padding data, if data is not available
Write : Character to transmit 1
padding data if data is invalid
Char_2
[8..15]
Chracter_2
Read : Read character from receive buffer
+2 Padding data, if data is not available
Write : Character to transmit 2
padding data if data is invalid
Char_3
[16..31]
Chracter_3
Read : Read character from receive buffer
+3 Padding data, if data is not available
Write : Character to transmit 3
padding data if data is invalid
104h
..
1FFh
SIO_Data_Register
_Alias
[0..31]
Alias SIO_Data_Register area for block
transfer