參數(shù)資料
型號(hào): μPD780986
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(jī)微控制器
文件頁(yè)數(shù): 24/48頁(yè)
文件大?。?/td> 256K
代理商: ΜPD780986
24
μ
PD780984, 780986, 780988
5.4 Real-Time Output Port
The following 2-channel real time output port is incorporated.
8-bits
×
1 or 4 bits
×
2
6-bits
×
1 or 4 bits
×
1
The real-time output port outputs data stored in buffers in synchronization with match interrupts of timer or external
interrupts. It enables the pulse outputs without jitter.
Therefore, the real-time output port is suitable for applications that output any patterns at any intervals, such as
the open loop control of a stepping motor.
Furthermore PWM modulation can be applied to a specific pin for the output pattern.
Figure 5-6. Real-Time Output Port Block Diagram (1/2)
(a) 8-bits
×
1 or 4 bits
×
2
Internal Bus
8
8
4
4
8
Real-Time Output Port
Control Register 0
(RTPC00)
Output Trigger
Control Circuit
INTP2 (from outside)
INTTM000 (from TM00)
INTTM52 (from TM52)
RTBH00
RTBL00
Buffer Register
Output Latch
TO50 (from TM50)
PWM Modulation
RTP7
RTP0
Real-Time Output Port
Mode Register 0 (RTPM0)
DC Control Register 0
(DCCTL0)
8
8
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