參數(shù)資料
型號(hào): μPD78053Y
廠商: NEC Corp.
英文描述: 8Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單芯片微控制器(8位單片微控制器)
文件頁(yè)數(shù): 27/74頁(yè)
文件大小: 574K
代理商: ΜPD78053Y
27
μ
PD78052Y, 78053Y, 78054Y, 78055Y, 78056Y, 78058Y
Figure 5-12. Serial Interface Channel 2 Block Diagram
5.9
Real-time Output Port Functions
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 a real-time output function.
Pins used to output data 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
stepping motors, etc.
Figure 5-13. Real-Time Output Port Block Diagram
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
RxD/SI2/P70
T
X
D/SO2/P71
ASCK/SCK2/P72
INTSER
INTSR/INTCSI2
INTST
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
f
XX
to f
XX
/2
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