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參數(shù)資料
| 型號(hào)： | μPD78052(A) |
| 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(jī)微控制器（8位單片微控制器） |
| 文件頁(yè)數(shù)： | 27/76頁(yè) |
| 文件大小： | 386K |
| 代理商： | ΜPD78052(A) |
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27
μ
PD78052(A), 78053(A), 78054(A)
Figure 5-12. Serial Interface Channel 2 Block Diagram
5.9
Real-Time Output Port
Data set previously in the real-time output buffer register is transferred to the output latch by hardware concurrently
with timer interrupt or external interrupt generation in order to output to off-chip. This is real-time output function. And
pins 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 motor, 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
-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
Lower 4 Bits
(RTBL)
Real-Time Output Port Mode
Register (RTPM)
Output Trigger
Control Circuit
INTP2
INTTM1
INTTM2
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