參數(shù)資料
型號: μPD78058F(A)
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機微控制器
文件頁數(shù): 27/74頁
文件大?。?/td> 549K
代理商: ΜPD78058F(A)
27
μ
PD78058F(A)
Figure 5-12. Serial Interface Channel 2 Block Diagram
5.9
Real-Time Output Port Functions
The real-time output function consists in transferring data set previously in the real-time output buffer register to
the output latch by hardware concurrently with a timer interrupt request or external interrupt request generation in order
to output to off-chip. Pins used to output to off-chip are called real-time output ports.
By using a real-time output port, a signal which has no jitter can be output. This is most applicable to control of
stepping motors, etc.
Figure 5-13. Real-Time Output Port Block Diagram
RxD/SI2/P70
TxD/SO2/P71
ASCK/SCK2/P72
INTSER
INTSR/INTCSI2
INTST
f
XX
to f
XX
/2
10
Internal Bus
Receive Buffer Register
(RXB/SIO2)
Direction Control Circuit
Receive Shift Register
(RXS)
Receive Control Circuit
Direction Control Circuit
Transmit Shift Register
(TXS/SIO2)
Transmit Control Circuit
SCK Output
Control Circuit
Baud Rate
Generator
Internal Bus
P127
P120
Output Latch
Real-Time Output
Buffer Register
Higher 4 Bits
(RTBH)
Real-Time Output
Buffer Register
Higher 4 Bits
(RTBL)
Real-Time Output Port Mode
Register (RTPM)
Output Trigger
Control Circuit
INTP2
INTTM1
INTTM2
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