參數(shù)資料
型號: μPD789177Y
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8 位單片微控制器)
中文描述: 8位單片機微控制器(8位單片微控制器)
文件頁數(shù): 64/145頁
文件大?。?/td> 610K
代理商: ΜPD789177Y
P
6
μ
P
Internal bus
Reception buffer
register 20 (RXB20)
Switching of the first bit
Asynchronous serial interface
status register 20 (ASIS20)
Serial operation mode
register 20 (CSIM20)
Reception shift
register 20 (RXS20)
CSIE20
SSE20 DAP20 DIR20
CSCK20
CKP20
PE20
FE20
OVE20
TXE20 RXE20 PS201 PS200
CL20SL20
Asynchronous serial interface
mode register 20 (ASIM20)
Transmission shift
register 20 (TXS20)
Transmission
shift clock
Selector
CSIE20
DAP20
Data phase
control
Reception
shift clock
SI20/P22/
RxD20
SO20/P21/
TxD20
4
Parity operation
Stop bit addition
Reception data counter
Parity operation
Stop bit addition
Transmission data counter
SL20, CL20, PS200, PS201
Reception enabled
Reception clock
Detection clock
Start bit
detection
CSIE20
CSCK20
SCK20/P20/
ASCK20
SS20/P25/
TI80
Clock phase
control
Reception detected
Internal clock output
External clock input
Transmission
and reception
clock control
Baud rate
generator
Note
4
TPS203 TPS202 TPS201 TPS200
CSIE20
CSCK20
f
X
/2-f
X
/2
8
Baud rate generator
control register 20 (BRGC20)
INTST20
INTSR20/INTCSI20
Internal bus
Figure 5-31. Block Diagram of Serial Interface 20
Note
See
Figure 5-32
for the configuration of the baud rate generator.
Port mode
register (PM21)
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