参数资料
型号: PIC16C433T-I/SO
厂商: Microchip Technology
文件页数: 21/126页
文件大小: 0K
描述: IC MCU CMOS 8BIT 10MHZ 2K 18SOIC
标准包装: 1,100
系列: PIC® 16C
核心处理器: PIC
芯体尺寸: 8-位
速度: 10MHz
连通性: LIN(本地互连网络)
外围设备: POR,WDT
输入/输出数: 5
程序存储器容量: 3.5KB(2K x 14)
程序存储器类型: OTP
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 4.5 V ~ 5.5 V
数据转换器: A/D 4x8b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 18-SOIC(0.295",7.50mm 宽)
包装: 带卷 (TR)
117
4378C–AVR–09/08
AT90PWM1
I/O pin it is connected to. However, note that the Data Direction Register (DDR) bit correspond-
ing to the OCnA or OCnB pin must be set in order to enable the output driver.
When the OCnA or OCnB is connected to the pin, the function of the COMnx1:0 bits is depen-
dent of the WGMn3:0 bits setting. Table 29 shows the COMnx1:0 bit functionality when the
WGMn3:0 bits are set to a Normal or a CTC mode (non-PWM).
Table 30 shows the COMnx1:0 bit functionality when the WGMn3:0 bits are set to the fast PWM
mode.
Note:
1. A special case occurs when OCRnA/OCRnB equals TOP and COMnA1/COMnB1 is set. In
this case the compare match is ignored, but the set or clear is done at TOP. See “Fast PWM
Mode” on page 109. for more details.
Table 31 shows the COMnx1:0 bit functionality when the WGMn3:0 bits are set to the phase cor-
rect or the phase and frequency correct, PWM mode.
Table 29. Compare Output Mode, non-PWM
COMnA1/COMnB1
COMnA0/COMnB0
Description
0
Normal port operation, OCnA/OCnB disconnected.
0
1
Toggle OCnA/OCnB on Compare Match.
10
Clear OCnA/OCnB on Compare Match (Set output to
low level).
11
Set OCnA/OCnB on Compare Match (Set output to
high level).
Table 30. Compare Output Mode, Fast PWM
COMnA1/COMnB1
COMnA0/COMnB0
Description
0
Normal port operation, OCnA/OCnB disconnected.
01
WGMn3:0 = 14 or 15: Toggle OC1A on Compare
Match, OC1B disconnected (normal port operation).
For all other WGM1 settings, normal port operation,
OC1A/OC1B disconnected.
10
Clear OCnA/OCnB on Compare Match, set
OCnA/OCnB at TOP
11
Set OCnA/OCnB on Compare Match, clear
OCnA/OCnB at TOP
Table 31. Compare Output Mode, Phase Correct and Phase and Frequency Correct PWM(1)
COMnA1/COMnB1
COMnA0/COMnB0
Description
0
Normal port operation, OCnA/OCnB disconnected.
01
WGMn3:0 = 8, 9 10 or 11: Toggle OCnA on Compare
Match, OCnB disconnected (normal port operation).
For all other WGM1 settings, normal port operation,
OC1A/OC1B disconnected.
10
Clear OCnA/OCnB on Compare Match when up-
counting. Set OCnA/OCnB on Compare Match when
downcounting.
11
Set OCnA/OCnB on Compare Match when up-
counting. Clear OCnA/OCnB on Compare Match
when downcounting.
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