參數(shù)資料
型號(hào)： UPD784217AYGF
廠商： NEC Corp.
英文描述： 16-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述： 16位單晶片微控制器
文件頁數(shù)： 39/100頁
文件大小： 561K
代理商： UPD784217AYGF
Data Sheet U14121EJ2V0DS00
39
μ
PD784214A, 784215A, 784216A, 784217A, 784218A, 784214AY, 784215AY, 784216AY, 784217AY, 784218AY
7.3 Real-Time Output Port
The real-time output function is to transfer data set in advance to the real-time output buffer register to the output
latch as soon as the timer interrupt or external interrupt has occurred in order to output the data to an external device.
The pins that output the data to the external device constitute a port called a real-time output port.
Because the real-time output port can output signals without jitter, it is ideal for controlling a stepper motor.
Figure 7-5. Block Diagram of Real-Time Output Port
Internal bus
RTPOE
BYTE
EXTR
Output trigger
Controller
Real-time output port
control register (RTPC)
Real-time output
port mode register
(RTPM)
Real-time output port output latch
RTP7······································ RTP0
High-order 4 bits of
real-time output
buffer register
(RTBH)
Low-order 4 bits of
real-time output
buffer register
(RTBL)
INTP2TRG
INTTM1
INTTM2
Port 12 output latch
P127······································ P120
P12n/RTPn pin output (n = 0 to 7)
P127······································
RTP7 RTP0
RTPOE bit
相關(guān)PDF資料
PDF描述
UPD784217AGC 16-BIT SINGLE-CHIP MICROCONTROLLERS
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