参数资料
型号: PIC16LF72T-I/ML
厂商: Microchip Technology
文件页数: 115/136页
文件大小: 0K
描述: IC MCU FLASH 2KX14 LV AD 28-QFN
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: 20MHz
连通性: I²C,SPI
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 22
程序存储器容量: 3.5KB(2K x 14)
程序存储器类型: 闪存
RAM 容量: 128 x 8
电压 - 电源 (Vcc/Vdd): 2 V ~ 5.5 V
数据转换器: A/D 5x8b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 28-VQFN 裸露焊盘
包装: 带卷 (TR)
PIC16F72
DS39597C-page 6
2007 Microchip Technology Inc.
TABLE 1-1:
PIC16F72 PINOUT DESCRIPTION
Pin Name
PDIP,
SOIC,
SSOP
Pin#
MLF
Pin#
I/O/P
Type
Buffer
Type
Description
OSC1/CLKI
9
6
I
ST/CMOS(3) Oscillator crystal input/external clock source input.
OSC2/CLKO
10
7
O
Oscillator crystal output. Connects to crystal or resonator in Crystal
Oscillator mode. In RC mode, the OSC2 pin outputs CLKO, which has
1/4 the frequency of OSC1, and denotes the instruction cycle rate.
MCLR/VPP
1
26
I/P
ST
Master Clear (Reset) input or programming voltage input. This pin is
an active low RESET to the device.
PORTA is a bi-directional I/O port.
RA0/AN0
2
27
I/O
TTL
RA0 can also be analog input0.
RA1/AN1
3
28
I/O
TTL
RA1 can also be analog input1.
RA2/AN2
4
1
I/O
TTL
RA2 can also be analog input2.
RA3/AN3/VREF
5
2
I/O
TTL
RA3 can also be analog input3 or analog reference voltage.
RA4/T0CKI
6
3
I/O
ST
RA4 can also be the clock input to the Timer0 module. Output is
open drain type.
RA5/AN4/SS
7
4
I/O
TTL
RA5 can also be analog input4 or the slave select for the
synchronous serial port.
PORTB is a bi-directional I/O port. PORTB can be software
programmed for internal weak pull-up on all inputs.
RB0/INT
21
18
I/O
TTL/ST(1)
RB0 can also be the external interrupt pin.
RB1
22
19
I/O
TTL
RB2
23
20
I/O
TTL
RB3
24
21
I/O
TTL
RB4
25
22
I/O
TTL
Interrupt-on-change pin.
RB5
26
23
I/O
TTL
Interrupt-on-change pin.
RB6/PGC
27
24
I/O
TTL/ST(2)
Interrupt-on-change pin. Serial programming clock.
RB7/PGD
28
25
I/O
TTL/ST(2)
Interrupt-on-change pin. Serial programming data.
PORTC is a bi-directional I/O port.
RC0/T1OSO/
T1CKI
11
8
I/O
ST
RC0 can also be the Timer1 oscillator output or Timer1 clock input.
RC1/T1OSI
12
9
I/O
ST
RC1 can also be the Timer1 oscillator input.
RC2/CCP1
13
10
I/O
ST
RC2 can also be the Capture1 input/Compare1 output/
PWM1 output.
RC3/SCK/SCL
14
11
I/O
ST
RC3 can also be the synchronous serial clock input/output for both
SPI and I2C modes.
RC4/SDI/SDA
15
12
I/O
ST
RC4 can also be the SPI Data In (SPI mode) or
Data I/O (I2C mode).
RC5/SDO
16
13
I/O
ST
RC5 can also be the SPI Data Out (SPI mode).
RC6
17
14
I/O
ST
RC7
18
15
I/O
ST
VSS
8, 19
5, 16
P
Ground reference for logic and I/O pins.
VDD
20
17
P
Positive supply 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
Note
1: This buffer is a Schmitt Trigger input when configured as the external interrupt.
2: This buffer is a Schmitt Trigger input when used in Serial Programming mode.
3: This buffer is a Schmitt Trigger input when configured in RC Oscillator mode and a CMOS input otherwise.
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