参数资料
型号: PIC16F627T-20I/SS
厂商: Microchip Technology
文件页数: 125/170页
文件大小: 0K
描述: IC MCU FLASH 1KX14 COMP 20SSOP
产品培训模块: Asynchronous Stimulus
标准包装: 1,600
系列: PIC® 16F
核心处理器: PIC
芯体尺寸: 8-位
速度: 20MHz
连通性: UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 16
程序存储器容量: 1.75KB(1K x 14)
程序存储器类型: 闪存
EEPROM 大小: 128 x 8
RAM 容量: 224 x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
包装: 带卷 (TR)
PIC16F62X
DS40300C-page 56
Preliminary
2003 Microchip Technology Inc.
9.5
Comparator Outputs
The comparator outputs are read through the CMCON
register. These bits are read only. The comparator
outputs may also be directly output to the RA3 and RA4
I/O pins. When the CM<2:0> = 110, multiplexors in the
output path of the RA3 and RA4/T0CK1 pins will switch
and the output of each pin will be the unsynchronized
output of the comparator. The uncertainty of each of the
comparators is related to the input offset voltage and
the response time given in the specifications. Figure 9-
3 shows the comparator output block diagram.
The TRISA bits will still function as an output enable/
disable for the RA3 and RA4/T0CK1 pins while in this
mode.
FIGURE 9-3:
COMPARATOR OUTPUT BLOCK DIAGRAM
Note 1: When reading the PORT register, all pins
configured as analog inputs will read as a
‘0’. Pins configured as digital inputs will
convert an analog input according to the
Schmitt Trigger input specification.
2: Analog levels on any pin that is defined as
a digital input may cause the input buffer
to
consume
more
current
than
is
specified.
D
Q
EN
To RA3 or RA4/T0CK1 pin
Set CMIF bit
D
Q
EN
CL
RESET
From other Comparator
To Data Bus
CnVOUT
CnINV
Q1
RD CMCON
CMCON<7:6>
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