參數(shù)資料
型號: PIC16C433T-I/SO
廠商: Microchip Technology
文件頁數(shù): 118/126頁
文件大?。?/td> 0K
描述: IC MCU CMOS 8BIT 10MHZ 2K 18SOIC
標準包裝: 1,100
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 10MHz
連通性: LIN(本地互連網(wǎng)絡)
外圍設備: POR,WDT
輸入/輸出數(shù): 5
程序存儲器容量: 3.5KB(2K x 14)
程序存儲器類型: OTP
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x8b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 18-SOIC(0.295",7.50mm 寬)
包裝: 帶卷 (TR)
91
4378C–AVR–09/08
AT90PWM1
These bits control the Output Compare pin (OC0B) behavior. If one or both of the COM0B1:0
bits are set, the OC0B output overrides the normal port functionality of the I/O pin it is connected
to. However, note that the Data Direction Register (DDR) bit corresponding to the OC0B pin
must be set in order to enable the output driver.
When OC0B is connected to the pin, the function of the COM0B1:0 bits depends on the
WGM02:0 bit setting. Table 23 shows the COM0B1:0 bit functionality when the WGM02:0 bits
are set to a normal or CTC mode (non-PWM).
Table 24 shows the COM0B1:0 bit functionality when the WGM02:0 bits are set to fast PWM
mode.
Note:
1. A special case occurs when OCR0B equals TOP and COM0B1 is set. In this case, the Com-
pare Match is ignored, but the set or clear is done at TOP. See “Fast PWM Mode” on page 85
for more details.
Table 25 shows the COM0B1:0 bit functionality when the WGM02:0 bits are set to phase correct
PWM mode.
Note:
1. A special case occurs when OCR0B equals TOP and COM0B1 is set. In this case, the Com-
pare Match is ignored, but the set or clear is done at TOP. See “Phase Correct PWM Mode” on
page 87 for more details.
Bits 3, 2 – Res: Reserved Bits
These bits are reserved bits in the AT90PWM1 and will always read as zero.
Bits 1:0 – WGM01:0: Waveform Generation Mode
Table 23. Compare Output Mode, non-PWM Mode
COM0B1
COM0B0
Description
0
Normal port operation, OC0B disconnected.
0
1
Toggle OC0B on Compare Match
1
0
Clear OC0B on Compare Match
1
Set OC0B on Compare Match
Table 24. Compare Output Mode, Fast PWM Mode
COM0B1
COM0B0
Description
0
Normal port operation, OC0B disconnected.
01
Reserved
1
0
Clear OC0B on Compare Match, set OC0B at TOP
1
Set OC0B on Compare Match, clear OC0B at TOP
Table 25. Compare Output Mode, Phase Correct PWM Mode(1)
COM0B1
COM0B0
Description
0
Normal port operation, OC0B disconnected.
01
Reserved
10
Clear OC0B on Compare Match when up-counting. Set OC0B on
Compare Match when down-counting.
11
Set OC0B on Compare Match when up-counting. Clear OC0B on
Compare Match when down-counting.
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