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參數(shù)資料
| 型號(hào)： | P89C660HFA |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 80C51 8-bit Flash microcontroller family |
| 中文描述： | 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | PLASTIC, MS-018, SOT-187-2, LCC-44 |
| 文件頁(yè)數(shù)： | 64/89頁(yè) |
| 文件大?。?/td> | 491K |
| 代理商： | P89C660HFA |
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Philips Semiconductors
Product data
P89C660/P89C662/P89C664/
P89C668
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM
2002 Oct 28
64
FFFF
C000
8000
4000
2000
0000
BLOCK 4
16 KBYTES
BLOCK 3
16 KBYTES
BLOCK 2
16 KBYTES
BLOCK 1
8 KBYTES
BLOCK 0
8 KBYTES
PROGRAM
ADDRESS
BOOT ROM
(1 KBYTE)
FFFF
FC00
SU01264
89C664/89C668
89C662
89C660
Figure 55. Flash Memory Configurations
Power-On Reset Code Execution
The P89C660/662/664/668 contains two special Flash registers: the
BOOT VECTOR and the STATUS BYTE. At the falling edge of reset,
the P89C660/662/664/668 examines the contents of the Status
Byte. If the Status Byte is set to zero, power-up execution starts at
location 0000H, which is the normal start address of the user’s
application code. When the Status Byte is set to a value other than
zero, the contents of the Boot Vector is used as the high byte of the
execution address and the low byte is set to 00H. The factory
default setting is 0FCH, corresponds to the address 0FC00H for the
factory masked-ROM ISP boot loader. A custom boot loader can be
written with the Boot Vector set to the custom boot loader.
NOTE:
both bytes are erased at the same time. It is necessary
to reprogram the Boot Vector after erasing and
updating the Status Byte.
When erasing the Status Byte or Boot Vector,
Hardware Activation of the Boot Loader
The boot loader can also be executed by holding PSEN LOW, P2.7,
P2.6 high, EA greater than V
IH
(such as +5 V), and ALE HIGH (or
not connected) at the falling edge of RESET. This is the same effect
as having a non-zero status byte. This allows an application to be
built that will normally execute the end user’s code but can be
manually forced into ISP operation.
If the factory default setting for the Boot Vector (0FCH) is changed, it
will no longer point to the ISP masked-ROM boot loader code. If this
happens, the only possible way to change the contents of the Boot
Vector is through the parallel programming method, provided that
the end user application does not contain a customized loader that
provides for erasing and reprogramming of the Boot Vector and
Status Byte.
After programming the Flash, the status byte should be programmed
to zero in order to allow execution of the user’s application code
beginning at address 0000H.
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| P89C662HFA | 80C51 8-bit Flash microcontroller family |
| P89C662HFBD | 80C51 8-bit Flash microcontroller family |
| P89C664 | 80C51 8-bit Flash microcontroller family |
| P89C664HFA | 80C51 8-bit Flash microcontroller family |
| P89C664HFBD | 80C51 8-bit Flash microcontroller family |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| P89C660HFA/00,512 | 功能描述:8位微控制器 -MCU 16K/512 FL 6 CLK ISP/IAP IND 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(shí)鐘頻率:50 MHz 程序存儲(chǔ)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 |
| P89C662 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:On-chip Flash 8-bit microcontroller Errata Sheet |
| P89C662HBA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit Flash microcontroller family |
| P89C662HBA/00,512 | 功能描述:IC 80C51 MCU FLASH 32K 44-PLCC RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:89C 產(chǎn)品培訓(xùn)模塊:MCU Product Line Introduction XMEGA Introduction AVR XMEGA USB Connectivity 標(biāo)準(zhǔn)包裝:90 系列:AVR® XMEGA 核心處理器:AVR 芯體尺寸:8/16-位 速度:32MHz 連通性:I²C，IrDA，SPI，UART/USART 外圍設(shè)備:欠壓檢測(cè)/復(fù)位，DMA，POR，PWM，WDT 輸入/輸出數(shù):50 程序存儲(chǔ)器容量:192KB（96K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:4K x 8 RAM 容量:16K x 8 電壓 - 電源 (Vcc/Vdd):1.6 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 16x12b; D/A 2x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:64-TQFP 包裝:托盤 配用:ATSTK600-RC14-ND - STK600 SOCKET/ADAPTER 64TQFPATSTK600-TQFP64-ND - STK600 SOCKET/ADAPTER 64-TQFPATAVRONEKIT-ND - KIT AVR/AVR32 DEBUGGER/PROGRMMRATAVRISP2-ND - PROGRAMMER AVR IN SYSTEM |
| P89C662HBBD | 制造商: 功能描述: 制造商:undefined 功能描述: |
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