參數(shù)資料
型號(hào): m789436
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位單芯片微控制器
文件頁(yè)數(shù): 49/144頁(yè)
文件大?。?/td> 1378K
代理商: M789436
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CHAPTER 7 8-BIT TIMER
142
User’s Manual U15075EJ1V0UM00
(3) Carrier generator output control register 60 (TCA60)
This register is used to set the timer output data in carrier generator mode.
TCA60 is set with an 8-bit memory manipulation instruction.
RESET input sets TCA60 to 00H.
Figure 7-6. Format of Carrier Generator Output Control Register 60
Symbol
7654
3
<2>
<1>
<0>
Address
After reset
R/W
TCA60
0
RMC60
NRZB60
NRZ60
FF4FH
00H
W
RMC60
Control of remote control output
0
When NRZB60 = 1, a carrier pulse is output.
When NRZB60 = 0, a low level is output.
1
When NRZB60 = 1, high-level signal is output.
When NRZB60 = 0, a low level is output.
NRZB60
This is the bit that stores the next data to be output to NRZ60. When a match signal occurs (for a match with
timer 50), the data is output to NRZ60. Input the required value to NRZ60 by program beforehand.
NRZ60
No return zero data
0
Outputs low-level signal (carrier clock is stopped)
1
Outputs carrier pulse
Caution
TCA60 cannot be set with a 1-bit memory manipulation instruction. Be sure to use an 8-bit
memory manipulation instruction to set TCA60.
(4) Port mode register 3 (PM3)
This register is used to set the I/O mode of port 3 in 1-bit units.
When using the P31/TO50/INTP1/TMI60 pin as a timer output, set the PM31 and P31 output latch to 0.
When using the P32/TO60/INTP2 pin as a timer output, set the PM32 and P32 output latch to 0.
When using the P33/TO61/INTP3 pin as a timer output, set the PM33 and P33 output latch to 0.
PM3 is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets PM3 to FFH.
Figure 7-7. Format of Port Mode Register 3
Symbol
7654
3210
Address
After reset
R/W
PM3
1
PM33
PM32
PM31
PM30
FF23H
FFH
R/W
PM3n
I/O mode of P3n pin
(n = 0 to 3)
0
Output mode (output buffer is ON)
1
Input mode (output buffer is OFF)
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