參數(shù)資料
型號(hào)： PIC12HV615
廠商： Microchip Technology Inc.
英文描述： 8-Pin Flash-Based, 8-Bit CMOS Microcontrollers
中文描述： 8引腳閃存的基礎(chǔ)上，8位CMOS微控制器
文件頁數(shù)： 55/168頁
文件大?。?/td> 1347K
代理商： PIC12HV615
2006 Microchip Technology Inc.
Preliminary
DS41302A-page 53
PIC12F609/615/12HV609/615
8.0
COMPARATOR MODULE
The comparator can be used to interface analog
circuits to a digital circuit by comparing two analog
voltages and providing a digital indication of their
relative magnitudes. The comparator is a very useful
mixed signal building block because it provides analog
functionality independent of the program execution.
The Analog Comparator module includes the following
features:
Programmable input section
Comparator output is available internally/externally
Programmable output polarity
Interrupt-on-change
Wake-up from Sleep
PWM shutdown
Timer1 gate (count enable)
Output synchronization to Timer1 clock input
Programmable voltage reference
User-enable Comparator Hysteresis
8.1
Comparator Overview
The comparator is shown in Figure 8-1 along with the
relationship between the analog input levels and the
digital output. When the analog voltage at V
IN
+ is less
than the analog voltage at V
IN
-, the output of the com-
parator is a digital low level. When the analog voltage
at V
IN
+ is greater than the analog voltage at V
IN
-, the
output of the comparator is a digital high level.
FIGURE 8-1:SINGLE COMPARATOR
FIGURE 8-2:
COMPARATOR SIMPLIFIED BLOCK DIAGRAM
–
+
V
IN
+
V
IN
-
Output
Output
V
IN
+
V
IN
-
Note:
The black areas of the output of the
comparator represents the uncertainty
due to input offsets and response time.
CMOE
MUX
CMPOL
0
1
CMON
(1)
CMCH
From Timer1
Clock
Note
1:
2:
3:
4:
When CMON =
0
, the comparator will produce a ‘
0
’ output to the XOR Gate.
Q1 and Q3 are phases of the four-phase system clock (F
OSC
).
Q1 is held high during Sleep mode.
Output shown for reference only. See I/O port pin diagram for more details.
D
Q
EN
D
Q
EN
CL
D
Q
RD_CMCON0
Q3*RD_CMCON0
Q1
Set CMIF
To
Reset
CMV
IN
-
CMV
IN
+
CIN0-
CIN1-
0
1
CMSYNC
CMPOL
Data Bus
MUX
COUT
(4)
To PWM Auto-Shutdown
To Timer1 Gate
0
1
CMR
MUX
CIN+
0
1
MUX
CV
REF
CMV
REN
FixedRef
CMV
REF
SYNCCMOUT
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC12HV615-E/MD 功能描述:8位微控制器 -MCU 2KB Flash 64 RAM 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC12HV615-E/MF 功能描述:8位微控制器 -MCU 1.75KB Flash 64B RAM 6 I/O 8MHz INT OSC 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC12HV615-E/MS 功能描述:8位微控制器 -MCU 2KB Flash 64 RAM 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC12HV615-E/P 功能描述:8位微控制器 -MCU 2KB Flash 64 RAM 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
PIC12HV615-E/SN 功能描述:8位微控制器 -MCU 2KB Flash 64 RAM 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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(fēng)格:SMD/SMT
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