參數(shù)資料
型號： PIC16F872T-E/SS
廠商： Microchip Technology
文件頁數(shù)： 157/167頁
文件大小： 0K
描述： IC MCU CMOS 20MHZ 2K FLSH 28SSOP
標(biāo)準(zhǔn)包裝： 2,100
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(shè)備： 欠壓檢測/復(fù)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
EEPROM 大小： 64 x 8
RAM 容量： 128 x 8
電壓 - 電源 (Vcc/Vdd)： 4 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器： A/D 5x10b
振蕩器型： 外部
工作溫度： -40°C ~ 125°C
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
包裝： 帶卷 (TR)
2006 Microchip Technology Inc.
DS30221C-page 7
PIC16F872
2.0
MEMORY ORGANIZATION
There are three memory blocks in the PIC16F872. The
Program Memory and Data Memory have separate
buses so that concurrent access can occur. Data mem-
ory is covered in this section; the EEPROM data mem-
ory and FLASH program memory blocks are detailed in
Additional information on device memory may be found
in the PICmicro
Mid-Range Reference Manual
(DS33023).
2.1
Program Memory Organization
The PIC16F872 has a 13-bit program counter capable
of addressing an 8K word x 14 bit program memory
space. The PIC16F872 device actually has 2K words of
FLASH program memory. Accessing a location above
the physically implemented address will cause a wrap-
around.
The RESET vector is at 0000h and the interrupt vector
is at 0004h.
FIGURE 2-1:
PIC16F872 PROGRAM
MEMORY MAP AND
STACK
2.2
Data Memory Organization
The data memory is partitioned into multiple banks
which 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 Special
Function Registers. Some frequently used Special
Function Registers from one bank may be mirrored in
another bank for code reduction and quicker access.
2.2.1
GENERAL PURPOSE REGISTER
FILE
The register file can be accessed either directly, or indi-
rectly through the File Select Register (FSR).
PC<12:0>
13
0000h
0004h
0005h
Stack Level 1
Stack Level 8
Reset Vector
Interrupt Vector
On-Chip
CALL, RETURN
RETFIE, RETLW
1FFFh
Stack Level 2
Program
Memory
Page 0
07FFh
RP1:RP0
Bank
00
0
01
1
10
2
11
3
Note:
EEPROM Data Memory description can be
found in Section 4.0 of this data sheet.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PIC16F872T-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(fēng)格:SMD/SMT
PIC16F872T-I/SS 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(fēng)格:SMD/SMT
PIC16F872T-I/SS033 制造商:Microchip Technology Inc 功能描述:
PIC16F873-04/SO 功能描述:8位微控制器 -MCU 7KB 192 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(fēng)格:SMD/SMT
PIC16F873-04/SO 制造商:Microchip Technology Inc 功能描述:8BIT FLASH MCU SMD 16F873 SOIC28
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