參數(shù)資料
型號: PIC16LCE625T-04I/SS
廠商: Microchip Technology
文件頁數(shù): 49/100頁
文件大小: 0K
描述: IC MCU CMOS 2K OTP W/EEPRM20SSOP
標(biāo)準(zhǔn)包裝: 1,600
系列: PIC® 16C
核心處理器: PIC
芯體尺寸: 8-位
速度: 4MHz
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,WDT
輸入/輸出數(shù): 13
程序存儲器容量: 3.5KB(2K x 14)
程序存儲器類型: OTP
EEPROM 大小: 128 x 8
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 2.5 V ~ 5.5 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-SSOP(0.209",5.30mm 寬)
包裝: 帶卷 (TR)
其它名稱: PIC16LCE625T04ISS
PIC16CE62X
DS40182C-page 42
1999 Microchip Technology Inc.
8.1
Comparator Configuration
There
are
eight
modes
of
operation
for
the
comparators. The CMCON register is used to select
the mode. Figure 8-1 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
Note:
Comparator interrupts should be disabled
during a comparator mode change, other-
wise a false interrupt may occur.
FIGURE 8-1:
COMPARATOR I/O OPERATING MODES
-
+
C1
VIN-
VIN+
Off
(Read as ’0’)
RA0/AN0
RA3/AN3
A
CM<2:0> = 000
-
+
C2
VIN-
VIN+
Off
(Read as ’0’)
RA1/AN1
RA2/AN2
A
-
+
C1
VIN-
VIN+
Off
(Read as ’0’)
RA0/AN0
RA3/AN3
D
CM<2:0> = 111
-
+
C2
VIN-
VIN+
Off
(Read as ’0’)
RA1/AN1
RA2/AN2
D
-
+
C1
VIN-
VIN+
C1OUT
RA0/AN0
RA3/AN3
A
-
+
C2
VIN-
VIN+
C2OUT
RA1/AN1
RA2/AN2
A
CM<2:0> = 100
-
+
C1
VIN-
VIN+
C1OUT
RA0/AN0
RA3/AN3
A
-
+
C2
VIN-
VIN+
C2OUT
RA1/AN1
RA2/AN2
A
From VREF Module
-
+
C1
VIN-
VIN+
C1OUT
RA0/AN0
RA3/AN3
A
D
-
+
C2
VIN-
VIN+
C2OUT
RA1/AN1
RA2/AN2
A
CM<2:0> = 011
RA4 Open Drain
-
+
C1
VIN-
VIN+
C1OUT
RA0/AN0
RA3/AN3
A
D
-
+
C2
VIN-
VIN+
C2OUT
RA1/AN1
RA2/AN2
A
CM<2:0> = 110
-
+
C1
VIN-
VIN+
Off
(Read as ’0’)
RA0/AN0
RA3/AN3
D
CM<2:0> = 101
-
+
C2
VIN-
VIN+
C2OUT
RA1/AN1
RA2/AN2
A
-
+
C1
VIN-
VIN+
C1OUT
RA0/AN0
RA3/AN3
A
-
+
C2
VIN-
VIN+
C2OUT
RA1/AN1
RA2/AN2
A
CM<2:0> = 001
CIS=0
CIS=1
Comparators Reset
Two Independent Comparators
Two Common Reference Comparators
One Independent Comparator
Three Inputs Multiplexed to
Two Common Reference Comparators with Outputs
Four Inputs Multiplexed to
Comparators Off
Two Comparators
CM<2:0> = 010
CIS=0
CIS=1
CIS=0
CIS=1
A = Analog Input, Port Reads Zeros Always
D = Digital Input
CIS = CMCON<3>, Comparator Input Switch
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