參數(shù)資料
型號： PIC16F628A
廠商： Microchip Technology Inc.
英文描述： 18-pin Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology(18引腳，基于FLASH的8位CMOS微控制器，使用毫微瓦特技術)
中文描述： 18引腳基于閃存的8位CMOS微控制器與納瓦技術（18引腳，基于閃存的8位的CMOS微控制器，使用毫微瓦特技術）
文件頁數(shù)： 64/168頁
文件大?。?/td> 2756K
代理商： PIC16F628A
PIC16F627A/628A/648A
DS40044B-page 62
Preliminary
2004 Microchip Technology Inc.
10.1
Comparator Configuration
There are eight modes of operation for the
comparators. The CMCON register is used to select
the mode. Figure 10-1 shows the eight possible
modes. The TRISA register controls the data direction
of the comparator pins for each mode.
If the Comparator mode is changed, the comparator
output level may not be valid for the specified mode
change delay shown in Table 17-2.
FIGURE 10-1:
COMPARATOR I/O OPERATING MODES
Note 1:
Comparator interrupts should be disabled
during a Comparator mode change,
otherwise a false interrupt may occur.
2:
Comparators can have an inverted
output. See Figure 10-3.
C1
RA0/AN0
V
IN
-
V
IN
+
RA3/AN3/CMP1
Comparators Reset (POR Default Value)
CM2:CM0 = 000
A
A
C2
RA1/AN1
V
IN
-
V
IN
+
RA2/AN2/V
REF
A
A
C1
RA0/AN0
V
IN
-
V
IN
+
RA3/AN3/CMP1
Two Independent Comparators
CM2:CM0 = 100
A
A
C2
RA1/AN1
V
IN
-
V
IN
+
RA2/AN2/V
REF
A
A
C1
RA0/AN0
V
IN
-
V
IN
+
RA3/AN3/CMP1
Two Common Reference Comparators
CM2:CM0 = 011
A
D
C2
RA1/AN1
V
IN
-
V
IN
+
RA2/AN2/V
REF
A
A
C1
RA0/AN0
V
IN
-
V
IN
+
RA3/AN3/CMP1
Off (Read as '0')
One Independent Comparator
CM2:CM0 = 101
D
D
C2
RA1/AN1
V
IN
-
V
IN
+
RA2/AN2/V
REF
A
A
C1
V
IN
-
V
IN
+
Off (Read as '0')
Comparators Off
CM2:CM0 = 111
D
D
C2
V
IN
-
V
IN
+
Off (Read as '0')
D
D
C1
RA0/AN0
V
IN
-
V
IN
+
RA3/AN3/CMP1
Four Inputs Multiplexed to Two Comparators
CM2:CM0 = 010
A
A
C2
RA1/AN1
V
IN
-
V
IN
+
RA2/AN2/V
REF
A
A
From V
REF
Module
CIS = 0
CIS = 1
CIS = 0
CIS = 1
C1
RA0/AN0
V
IN
-
V
IN
+
RA3/AN3/CMP1
Two Common Reference Comparators with Outputs
CM2:CM0 = 110
A
D
C2
RA1/AN1
V
IN
-
V
IN
+
RA2/AN2/V
REF
A
A
Open Drain
A = Analog Input, port reads zeros always.
D = Digital Input.
CIS (CMCON<3>) is the Comparator Input Switch.
RA4/T0CKI/CMP2
C1
RA0/AN0
V
IN
-
V
IN
+
RA3/AN3/CMP1
Three Inputs Multiplexed to Two Comparators
CM2:CM0 = 001
A
A
C2
RA1/AN1
V
IN
-
V
IN
+
RA2/AN2/V
REF
A
A
CIS = 0
CIS = 1
V
SS
V
SS
RA0/AN0
RA3/AN3/CMP1
RA1/AN1
RA2/AN2/V
REF
C1V
OUT
C2V
OUT
C1V
OUT
C2V
OUT
Off (Read as '0')
Off (Read as '0')
C2V
OUT
C1V
OUT
C2V
OUT
C1V
OUT
C2V
OUT
C1V
OUT
C2V
OUT
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相關代理商/技術參數(shù)
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PIC16F628A-E/ML 功能描述:8位微控制器 -MCU 3.5KB 224 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16F628A-E/P 功能描述:8位微控制器 -MCU 3.5KB 224 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16F628A-E/SO 功能描述:8位微控制器 -MCU 3.5KB 224 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16F628A-E/SS 功能描述:8位微控制器 -MCU 3.5KB 224 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
PIC16F628A-I/ML 功能描述:8位微控制器 -MCU 3.5KB 224 RAM 16 I/O RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
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