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參數(shù)資料
| 型號(hào)： | μPD780983 |
| 廠商： | NEC Corp. |
| 英文描述： | 8 Bit Single Chip Microcontrollers(8 位單片微控制器) |
| 中文描述： | 8位單片機(jī)微控制器（8位單片微控制器） |
| 文件頁數(shù)： | 33/121頁 |
| 文件大?。?/td> | 350K |
| 代理商： | ΜPD780983 |
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CHAPTER 3 CONTROL
33
Table 3-5. Variables used for Other Than Inverter Control (2/3)
Symbol
Bytes
Use, setting, referencing
Set value
KIN
1
Key input
Set and referenced in key setting
Port (P5) input value
00H
PWM output setting
SMODE
1
Key setting mode
Set in setting mode transition processing
01H
Setting off
10H
Display of output frequency
11H
Display of carrier frequency
12H
Display of dead time
DMODE
1
8-segment LED display mode
Set and referenced in key setting
03H
Display of frequency change rate
SEGBUF
3
8-segment LED display buffer
Set and referenced in key setting
Character codes displayed by three 8-segment LEDs
SEGCNT
1
8-segment LED flash counter
Set and referenced in LED display setting
Decremented (-1) from 0E4H (initial value) to 1CH.
SEG LED is lit when the most significant bit = 1.
LEDCNT
1
LED flash counter
Set and referenced in LED display setting
Decremented (-1) from 0E4H (initial value) to 1CH.
LED is lit when the most significant bit = 1.
KSMPCNT
1
Key input sampling counter
Set and referenced in key input processing
Decremented (-1) from 2 to 0.
KONCNT
1
Hold-down counter
Set and referenced in key input processing
Decremented (-1) from 13H to 0.
KCODE1
1
Key code buffer 1
Set and referenced in key input processing
(Key codes are listed in
Table 3-11
.)
Previously input key code
0: Null
1: [Changeover]
2: [-]
3: [+]
4: [ON/OFF]
KCODE2
1
Key code buffer 2
Set and referenced in key input processing
Input key code
See above.
MKAKE1
2
Multiplicand buffer
Used in main processing
The multiplicand data stored in the buffer is 16 bits
long.
MKAKE2
2
Multiplier buffer
Used in main processing
The multiplier data stored in the buffer is 16 bits long.
MKOTAE
4
Calculation result storage buffer
Used in main processing
Calculation result data stored in the buffer is 32 bits
long.
IKAKE1
2
Multiplicand buffer
Used in INTTM7 interrupt processing
The multiplicand data stored in the buffer is 16 bits
long.
IKAKE2
2
Multiplier buffer
Used in INTTM7 interrupt processing
The multiplier data stored in the buffer is 16 bits long.
IKOTAE4
4
Calculation result storage buffer
Used in INTTM7 interrupt processing
Calculation result data stored in the buffer is 32 bits
long.
WARU1
4
Dividend buffer
Used in main processing
The dividend data stored in the buffer is 32 bits long.
Calculation result data (quotient) stored in the buffer is
32 bits long.
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