參數(shù)資料
型號(hào): μPD789012
廠(chǎng)商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁(yè)數(shù): 14/44頁(yè)
文件大?。?/td> 271K
代理商: ΜPD789012
μ
PD789011, 789012
14
5.4 Serial Interface
1 channel of serial interface is incorporated.
Serial interface channel 0 has the following two modes.
3-wire serial I/O mode
Asynchronous serial interface (UART) mode : Dedicated baud rate generator incorporated
: MSB/LSB first switchable
Figure 5-4. Serial Interface Channel 0 Block Diagram
Internal Bus
Receive Buffer Register
(RXB/SIO0)
Direction Control Circuit
Direction Control Circuit
Transmit Shift register
(TXS/SIO0)
Receive Shift Register
(RXS)
Transmit Control Circuit
Receive Control Circuit
SCK Output
Control
Circuit
Baud Rate
Generator
R
X
D/SI0/P22
T
X
D/SO0/P21
ASCK/SCK0/P20
INTST
INTSR/INTCSI0
f
X
/2 to f
X
/2
8
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