參數(shù)資料
型號： PIC16F526-I/ST
廠商： Microchip Technology
文件頁數(shù)： 78/122頁
文件大?。?/td> 0K
描述： IC PIC MCU FLASH 1KX12 14TSSOP
產(chǎn)品培訓模塊： 8-bit PIC® Microcontroller Portfolio
標準包裝： 96
系列： PIC® 16F
核心處理器： PIC
芯體尺寸： 8-位
速度： 20MHz
外圍設備： POR，WDT
輸入/輸出數(shù)： 11
程序存儲器容量： 1.5KB（1K x 12）
程序存儲器類型： 閃存
RAM 容量： 67 x 8
電壓 - 電源 (Vcc/Vdd)： 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 3x8b
振蕩器型： 內(nèi)部
工作溫度： -40°C ~ 85°C
封裝/外殼： 14-TSSOP（0.173"，4.40mm 寬）
包裝： 管件
產(chǎn)品目錄頁面： 638 (CN2011-ZH PDF)
配用： ICE2000-ND - EMULATOR MPLAB-ICE 2000 POD
2009 Microchip Technology Inc.
DS39689F-page 59
PIC18F2221/2321/4221/4321 FAMILY
6.0
MEMORY ORGANIZATION
There are three types of memory in PIC18 Enhanced
microcontroller devices:
Program Memory
Data RAM
Data EEPROM
As Harvard architecture devices, the data and program
memories use separate busses; this allows for con-
current access of the two memory spaces. The data
EEPROM, for practical purposes, can be regarded as
a peripheral device, since it is addressed and accessed
through a set of control registers.
Additional detailed information on the operation of the
Flash program memory is provided in Section 7.0
discussed separately in Section 8.0 “Data EEPROM
6.1
Program Memory Organization
PIC18 microcontrollers implement a 21-bit program
counter, which is capable of addressing a 2-Mbyte
program memory space. Accessing a location between
the upper boundary of the physically implemented
memory and the 2-Mbyte address will return all ‘0’s (a
NOP instruction).
The PIC18F2221 and PIC18F4221 each have 4 Kbytes
of Flash memory and can store up to 2048 single-word
instructions. The PIC18F2321 and PIC18F4321 each
have 8 Kbytes of Flash memory and can store up to
4096 single-word instructions.
PIC18 devices have two interrupt vectors. The Reset
vector address is at 0000h and the interrupt vector
addresses are at 0008h and 0018h.
The program memory maps for PIC18F2221/4221 and
PIC18F2321/4321 devices are shown in Figure 6-1.
FIGURE 6-1:
PROGRAM MEMORY MAP AND STACK FOR PIC18F2221/2321/4221/4321 FAMILY
DEVICES
PC<20:0>
Stack Level 1
Stack Level 31
Reset Vector
Low-Priority Interrupt Vector
CALL,RCALL,RETURN
RETFIE,RETLW
21
0000h
0018h
On-Chip
Program Memory
High-Priority Interrupt Vector 0008h
User
Mem
o
ry
S
pac
e
1FFFFFh
1000h
0FFFh
Read ‘0’
200000h
PC<20:0>
Stack Level 1
Stack Level 31
Reset Vector
Low-Priority Interrupt Vector
CALL,RCALL,RETURN
RETFIE,RETLW
21
0000h
0018h
2000h
1FFFh
On-Chip
Program Memory
High-Priority Interrupt Vector 0008h
U
ser
Me
m
o
ry
S
pa
ce
Read ‘0’
1FFFFFh
200000h
PIC18FX221
PIC18FX321
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參數(shù)描述
PIC16F526T-I/MG 功能描述:8位微控制器 -MCU 1.5KB 64B 8MHz Internal Oscillator 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
PIC16F526T-I/SL 功能描述:8位微控制器 -MCU 15KB 64B 8MHz 8B ADC Internal Oscillator 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
PIC16F526T-I/SL030 制造商:Microchip Technology Inc 功能描述:
PIC16F526T-I/SL031 制造商:Microchip Technology Inc 功能描述:
PIC16F526T-I/SL033 制造商:Microchip Technology Inc 功能描述:
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