參數(shù)資料
型號(hào): MCV14AI/SL
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PDSO14
封裝: 3.90 MM, PLASTIC, SOIC-4
文件頁數(shù): 3/84頁
文件大?。?/td> 1007K
代理商: MCV14AI/SL
2009 Microchip Technology Inc.
Preliminary
DS41338B-page 9
MCV14A
TABLE 2-2:
MCV14A PINOUT DESCRIPTION
Name
Function
Input
Type
Output
Type
Description
RB0//C1IN+/AN0/
ICSPDAT
RB0
TTL
CMOS Bidirectional I/O pin. Can be software programmed for internal
weak pull-up and wake-up from Sleep on pin change.
C1IN+
AN
Comparator 1 input.
AN0
AN
ADC channel input.
ICSPDAT
ST
CMOS ICSP mode Schmitt Trigger.
RB1/C1IN-/AN1/
ICSPCLK
RB1
TTL
CMOS Bidirectional I/O pin. Can be software programmed for internal
weak pull-up and wake-up from Sleep on pin change.
C1IN-
AN
Comparator 1 input.
AN1
AN
ADC channel input.
ICSPCLK
ST
CMOS ICSP mode Schmitt Trigger.
RB2/C1OUT/AN2
RB2
TTL
CMOS Bidirectional I/O pin.
C1OUT
CMOS Comparator 1 output.
AN2
AN
ADC channel input.
RB3/MCLR/VPP
RB3
TTL
Input pin. Can be software programmed for internal weak
pull-up and wake-up from Sleep on pin change.
MCLR
ST
Master Clear (Reset). When configured as MCLR, this pin is
an active-low Reset to the device. Voltage on MCLR/VPP must
not exceed VDD during normal device operation or the device
will enter Programming mode. Weak pull-up always on if
configured as MCLR.
VPP
HV
Programming voltage input.
RB4/OSC2/CLKOUT
RB4
TTL
CMOS Bidirectional I/O pin.
OSC2
XTAL
Oscillator crystal output. Connections to crystal or resonator in
Crystal Oscillator mode (XT, HS and LP modes only, PORTB
in other modes).
CLKOUT
CMOS EXTRC/INTRC CLKOUT pin (FOSC/4).
RB5/OSC1/CLKIN
RB5
TTL
CMOS Bidirectional I/O pin.
OSC1
XTAL
Oscillator crystal input.
CLKIN
ST
External clock source input.
RC0/C2IN+
RC0
TTL
CMOS Bidirectional I/O port.
C2IN+
AN
Comparator 2 input.
RC1/C2IN-
RC1
TTL
CMOS Bidirectional I/O port.
C2IN-
AN
Comparator 2 input.
RC2/CVREF
RC2
TTL
CMOS Bidirectional I/O port.
CVREF
AN
Programmable Voltage Reference output.
RC3
TTL
CMOS Bidirectional I/O port.
RC4/C2OUT
RC4
TTL
CMOS Bidirectional I/O port.
C2OUT
CMOS Comparator 2 output.
RC5/T0CKI
RC5
TTL
CMOS Bidirectional I/O port.
T0CKI
ST
Timer0 Schmitt Trigger input pin.
VDD
P
Positive supply for logic and I/O pins.
VSS
P
Ground reference for logic and I/O pins.
Legend: I = Input, O = Output, I/O = Input/Output, P = Power, — = Not used, TTL = TTL input,
ST = Schmitt Trigger input, HV = High Voltage
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