參數(shù)資料
型號(hào): M38002E4FS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CQCC64
封裝: QFN-64
文件頁數(shù): 38/174頁
文件大小: 1752K
代理商: M38002E4FS
3800 GROUP USER’S MANUAL
3-29
APPENDIX
3.5 List of registers
Fig. 3.5.3 Structure of Transmit/Receive buffer register
Fig. 3.5.4 Structure of Serial I/O status register
Transmit/Receive buffer register
b7 b6 b5 b4 b3 b2 b1 b0
B
Function
At reset
RW
0
1
2
3
4
6
7
Transmit/Receive buffer register (TB/RB) [Address : 1816]
A transmission data is written to or a receive data is read out
from this buffer register.
At writing : a data is written to the Transmit buffer register.
At reading : a content of the Receive buffer register is read out.
?
5
?
Note : A content of the Transmit buffer register cannot be read out.
A data cannot be written to the Receive buffer register.
b7 b6 b5 b4 b3 b2 b1 b0
B
Function
At reset
RW
0
1
2
3
4
5
6
7
0
1
Serial I/O status reigster (SIOSTS) [Address : 1916]
Name
Transmit buffer empty flag
(TBE)
0 : (OE)
(PE)
(FE) = 0
1 : (OE)
(PE)
(FE) = 1
Overrun error flag (OE)
0 : Buffer full
1 : Buffer empty
Nothing is allocated for this bit. It is a write disabled bit.
When this bit is read out, the value is “0.”
Receive buffer full flag (RBF)
Transmit shift register shift
completion flag (TSC)
Parity error flag (PE)
Framing error flag (FE)
Summing error flag (SE)
0 : Buffer empty
1 : Buffer full
0 : Transmit shift in progress
1 : Transmit shift completed
0 : No error
1 : Overrun error
0 : No error
1 : Parity error
0 : No error
1 : Framing error
!
Serial I/O status register
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