參數(shù)資料
型號： PIC16LF72-I/SO
廠商： Microchip Technology
文件頁數(shù)： 126/136頁
文件大?。?/td> 0K
描述： IC PIC MCU FLASH 2KX14 28SOIC
產(chǎn)品培訓模塊： Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標準包裝： 27
系列： PIC® 16F
核心處理器： PIC
芯體尺寸： 8-位
速度： 20MHz
連通性： I²C，SPI
外圍設備： 欠壓檢測/復位，POR，PWM，WDT
輸入/輸出數(shù)： 22
程序存儲器容量： 3.5KB（2K x 14）
程序存儲器類型： 閃存
RAM 容量： 128 x 8
電壓 - 電源 (Vcc/Vdd)： 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 5x8b
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 28-SOIC（0.295"，7.50mm 寬）
包裝： 管件
產(chǎn)品目錄頁面： 639 (CN2011-ZH PDF)
其它名稱： PIC16LF72-I/SOR
PIC16LF72-I/SOR-ND
2007 Microchip Technology Inc.
DS39597C-page 7
PIC16F72
2.0
MEMORY ORGANIZATION
There are two memory blocks in the PIC16F72 device.
These are the program memory and the data memory.
Each block has separate buses so that concurrent
access can occur. Program memory and data memory
are explained in this section. Program memory can be
read internally by the user code (see Section 7.0).
The data memory can further be broken down into the
general purpose RAM and the Special Function
Registers (SFRs). The operation of the SFRs that
control the “core” are described here. The SFRs used
to control the peripheral modules are described in the
section discussing each individual peripheral module.
Additional information on device memory may be found
in
the
PIC
Mid-Range
Reference
Manual,
(DS33023).
2.1
Program Memory Organization
PIC16F72 devices have a 13-bit program counter capa-
ble of addressing a 8K x 14 program memory space.
The address range for this program memory is 0000h -
07FFh. Accessing a location above the physically
implemented address will cause a wraparound.
The RESET Vector is at 0000h and the Interrupt Vector
is at 0004h.
FIGURE 2-1:
PROGRAM MEMORY MAP
AND STACK
2.2
Data Memory Organization
The Data Memory is partitioned into multiple banks that
contain the General Purpose Registers and the Special
Function Registers. Bits RP1 (STATUS<6>) and RP0
(STATUS<5>) are the bank select bits.
Each bank extends up to 7Fh (128 bytes). The lower
locations of each bank are reserved for the Special
Function Registers. Above the Special Function Regis-
ters are General Purpose Registers, implemented as
static RAM.
All implemented banks contain SFRs. Some “high use”
SFRs from one bank may be mirrored in another bank,
for code reduction and quicker access (e.g., the
STATUS register is in Banks 0 - 3).
2.2.1
GENERAL PURPOSE REGISTER
FILE
The register file can be accessed either directly, or indi-
rectly, through the File Select Register FSR (see
PC<12:0>
13
0000h
0004h
0005h
07FFh
1FFFh
Stack Level 1
Stack Level 8
RESET Vector
Interrupt Vector
On-chip Program
Memory
CALL, RETURN
RETFIE, RETLW
0800h
Use
rMe
mo
ry
Sp
ac
e
RP1:RP0
Bank
00
0
01
1
10
2
11
3
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相關代理商/技術參數(shù)
參數(shù)描述
PIC16LF72ISS 制造商:MICROCHIP 功能描述:New
PIC16LF72T-I/ML 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 22 I/O 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
PIC16LF72T-I/MLG 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 22 I/O Lead Free Package 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
PIC16LF72T-I/SO 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 22 I/O 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
PIC16LF72T-I/SOG 功能描述:8位微控制器 -MCU 3.5KB 128 RAM 22 I/O Lead Free Package 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 最大時鐘頻率:50 MHz 程序存儲器大小: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 安裝風格:SMD/SMT
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