参数资料
型号: PIC16F72-E/SS
厂商: Microchip Technology
文件页数: 104/136页
文件大小: 0K
描述: IC PIC MCU FLASH 2KX14 8-SSOP
产品培训模块: Asynchronous Stimulus
标准包装: 47
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): 4 V ~ 5.5 V
数据转换器: A/D 5x8b
振荡器型: 外部
工作温度: -40°C ~ 125°C
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
包装: 管件
2007 Microchip Technology Inc.
DS39597C-page 5
PIC16F72
1.0
DEVICE OVERVIEW
This document contains device specific information for
the operation of the PIC16F72 device. Additional infor-
mation may be found in the PIC Mid-Range MCU
Reference Manual (DS33023), which may be down-
loaded from the Microchip website. The Reference
Manual should be considered a complementary docu-
ment to this data sheet, and is highly recommended
reading for a better understanding of the device archi-
tecture and operation of the peripheral modules.
The PIC16F72 belongs to the Mid-Range family of the
PIC devices. A block diagram of the device is shown in
The program memory contains 2K words, which trans-
late to 2048 instructions, since each 14-bit program
memory word is the same width as each device
instruction. The data memory (RAM) contains 128 bytes.
There are 22 I/O pins that are user configurable on a
pin-to-pin basis. Some pins are multiplexed with other
device functions. These functions include:
External interrupt
Change on PORTB interrupt
Timer0 clock input
Timer1 clock/oscillator
Capture/Compare/PWM
A/D converter
SPI/I2C
Table 1-1 details the pinout of the device with
descriptions and details for each pin.
FIGURE 1-1:
PIC16F72 BLOCK DIAGRAM
FLASH
Memory
2K x 14
13
Data Bus
8
14
Program
Bus
Instruction reg
Program Counter
8-Level Stack
(13-bit)
RAM
File
Registers
128 x 8
Direct Addr
7
RAM Addr(1)
9
Addr MUX
Indirect
Addr
FSR reg
STATUS reg
MUX
ALU
W reg
Power-up
Timer
Oscillator
Start-up Timer
Power-on
Reset
Watchdog
Timer
Instruction
Decode &
Control
Timing
Generation
OSC1/CLKI
OSC2/CLKO
MCLR
VDD, VSS
Timer0
A/D
Synchronous
Serial Port
PORTA
PORTC
RC0/T1OSO/T1CKI
RC1/T1OSI
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6
RC7
8
Brown-out
Reset
Note 1: Higher order bits are from the STATUS register.
CCP1
Timer1
Timer2
RA4/T0CKI
RA5/AN4/SS
RA3/AN3/VREF
RA2/AN2
RA1/AN1
RA0/AN0
8
3
Program
PORTB
RB0/INT
RB1
RB2
RB3
RB4
RB5
RB6/PGC
RB7/PGD
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