参数资料
型号: mPD789322
厂商: NEC Corp.
元件分类: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器与2/4/8K字节在系统可编程闪存
文件页数: 35/96页
文件大小: 482K
代理商: MPD789322
Preliminary Product Information U14673EJ1V0PM00
40
PD789322,789324,789326,789327
(3) Carrier generator output control register 40 (TCA40)
This register is used to set the timer output data in the carrier generator mode.
TCA40 is set using a 1-bit or 8-bit memory manipulation instruction.
RESET input sets this register to 00H.
Figure 5-16. Format of Carrier Generator Output Control Register 40
Symbol
76543
<2>
<1>
<0>
Address
After reset
R/W
TCA40
0
0000
RMC40
NRZB40
NRZ40
FF6AH
00H
W
RMC40
Remote controller output control
0
When NRZ40 = 1, a carrier pulse is output to the TO40/P60 pin
1
When NRZ40 = 1, a high level is output to the TO40/P60 pin
NRZB40
This bit stores the data that NRZ40 will output next. Data is transferred to NRZ40 upon the generation of a
timer 30 match signal.
NRZ40
No return, zero data
0
A low level is output (the carrier clock is stopped)
1
A carrier pulse is output
Caution TCA40 cannot be set with a 1-bit memory manipulation instruction.
Be sure to set it with an 8-bit memory manipulation instruction.
(4) Port mode register 6 (PM6)
This register is used to set port 6 to input or output in 1-bit units.
When the TO40/P60 pin is used as a timer output, set the PM60 and P60 output latches to 0.
PM6 is set using a 1-bit or 8-bit memory manipulation instruction.
RESET input sets this register to FFH.
Figure 5-17. Format of Port Mode Register 6
Symbol
76543
210
Address
After reset
R/W
PM6
1
1111
1
PM61
PM60
FF26H
FFH
R/W
PM6n
Input/output mode of pin P6n (n = 0, 1)
0
Output mode (output buffer on)
1
Input mode (output buffer off)
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