參數(shù)資料
型號: M34518M4-XXXSP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDIP32
封裝: 0.400 INCH, 1.78 MM PITCH, PLASTIC, SDIP-32
文件頁數(shù): 65/157頁
文件大小: 1783K
代理商: M34518M4-XXXSP
ML610Q411/ML610Q412/ML610Q415 User’s Manual
Chapter 11
PWM
11 – 6
11.2.5
PWM0 Control Register 0 (PW0CON0)
7
6
5
4
3
2
1
0
PW0CON0
P0NEG
P0IS1
P0IS0
P0CS1
P0CS0
R/W
At reset
0
Address: 0F0A6H
Access: R/W
Access size: 8 bits
Initial value: 00H
PW0CON0 is a special function register (SFR) to control PWM.
[Description of Bits]
P0CS1, P0CS0 (bits 1, 0)
The P0CS1 and P0CS0 bits are used to select the PWM0 operation clocks.
LSCLK, HTBCLK, or the external
clock (P44/T02P0CK) can be selected.
P0CS1
P0CS0
Description
0
LSCLK (initial value)
ML610Q411/Q412: 32.768kHz
ML610Q415: 31.25kHz
0
1
HTBCLK (500kHz)
1
0
Prohibited (the PWM circuit does not operate)
1
External clock (P44/T02P0CK)
P0IS1, P0IS0 (bits 3, 2)
The P0IS1 and P0IS0 bits are used to select the point at which the PWM0 interrupt occurs. “When the periods
coincide”, “when the duties coincide”, or “when the periods and duties coincide” can be selected.
P0IS1
P0IS0
Description
0
When the periods coincide. (Initial value)
0
1
When the duties coincide.
1
*
When the periods and duties coincide.
P0NEG (bit 4)
The P0NEG bit is used to select the output logic. When the positive logic is selected, the initial value of PWM0
output is “1”, and when the negative logic is selected, the initial value of PWM0 output is “0”.
P0NEG
Description
0
Positive logic (initial value)
1
Negative logic
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