参数资料
型号: PIC16LF628T-04/SS
厂商: Microchip Technology
文件页数: 122/170页
文件大小: 0K
描述: IC MCU FLASH 2KX14 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: 4MHz
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: 3.5KB(2K 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): 2 V ~ 5.5 V
振荡器型: 内部
工作温度: 0°C ~ 70°C
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
包装: 带卷 (TR)
2003 Microchip Technology Inc.
Preliminary
DS40300C-page 53
PIC16F62X
9.0
COMPARATOR MODULE
The
Comparator
module
contains
two
analog
comparators. The inputs to the comparators are
multiplexed with the RA0 through RA3 pins. The On-
chip Voltage Reference (Section 10.0) can also be an
input to the comparators.
The CMCON register, shown in Register 9-1, controls
the comparator input and output multiplexers. A block
diagram of the comparator is shown in Figure 9-1.
REGISTER 9-1:
CMCON REGISTER (ADDRESS: 01Fh)
R-0
R/W-0
C2OUT
C1OUT
C2INV
C1INV
CIS
CM2
CM1
CM0
bit 7
bit 0
bit 7
C2OUT: Comparator 2 Output
When C2INV = 0:
1
= C2 V
IN+ > C2 VIN-
0
= C2 V
IN+ < C2 VIN-
When C2INV = 1:
1
= C2 V
IN+ < C2 VIN-
0
= C2 V
IN+ > C2 VIN-
bit 6
C1OUT: Comparator 1 Output
When C1INV = 0:
1
= C1 V
IN+ > C1 VIN-
0
= C1 V
IN+ < C1 VIN-
When C1INV = 1:
1
= C1 V
IN+ < C1 VIN-
0
= C1 V
IN+ > C1 VIN-
bit 5
C2INV: Comparator 2 Output Inversion
1
= C2 Output inverted
0
= C2 Output not inverted
bit 4
C1INV: Comparator 1 Output Inversion
1
= C1 Output inverted
0
= C1 Output not inverted
bit 3
CIS: Comparator Input Switch
When CM2:CM0: = 001
Then:
1
= C1 V
IN- connects to RA3
0
= C1 V
IN- connects to RA0
When CM2:CM0 = 010
Then:
1
= C1 V
IN- connects to RA3
C2 V
IN- connects to RA2
0
= C1 V
IN- connects to RA0
C2 V
IN- connects to RA1
bit 2-0
CM2:CM0: Comparator Mode
Figure 9-1 shows the Comparator modes and CM2:CM0 bit settings
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
’1’ = Bit is set
’0’ = Bit is cleared
x = Bit is unknown
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