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參數(shù)資料
| 型號： | MC68HC705SR3CP |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | PLASTIC, DIP-40 |
| 文件頁數(shù)： | 27/96頁 |
| 文件大?。?/td> | 3045K |
| 代理商： | MC68HC705SR3CP |
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MC68HC05SR3
Freescale
4-1
MEMORY AND REGISTERS
4
MEMORY AND REGISTERS
The MC68HC05SR3/MC68HC705SR3 has 8K-bytes of addressable memory, consisting of I/O
registers, user ROM/EPROM, user RAM, and self-check/bootstrap ROM. Figure 4-1 shows the
memory map for MC68HC05SR3/MC68HC705SR3 device.
4.1
I/O Registers
The I/O, status and control registers are located within the first 16 bytes of memory, from $0000
to $000F. These are shown in the memory map in Figure 4-1; and a summary of the register
outline is shown in Table 4-1. Reading from unimplemented bits will return unknown states, and
writing to unimplemented bits will be ignored.
4.2
RAM
The user RAM (including the stack) consists of 192 bytes. It is separated into two blocks at
locations $0010 to $008F, and $00C0 to $00FF. The stack begins at address $00FF and proceeds
down to $00C0.
4.3
ROM
The user ROM consists of 3840 bytes of memory, from $1000 to $1EFF. Twelve bytes of user
vectors are also available, from $1FF4 to $1FFF. On the MC68HC705SR3, this ROM is replaced
by EPROM.
Note:
Using the stack area for data storage or temporary work locations requires care to
prevent the data from being overwritten due to stacking from an interrupt or subroutine
call.
TPG
31
05SR3.Book Page 1 Thursday, August 4, 2005 1:08 PM
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68HC705SR3CFB | 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PQFP44 |
| MC68HC705SR3CB | 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PDIP42 |
| MC68HC05SR3CB | 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDIP42 |
| MC68HC05SR3CP | 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDIP40 |
| MC68HC705SR3B | 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PDIP42 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC705SR3CPE | 功能描述:8位微控制器 -MCU 8B MCU 192 BYTES RAM 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 |
| MC68HC705SR3CPE | 制造商:Freescale Semiconductor 功能描述:8-Bit Microcontroller IC |
| MC68HC705SR3PE | 功能描述:IC MCU 3.75K 2.1MHZ OTP 40-DIP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 標準包裝:1 系列:AVR® ATmega 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，SPI，UART/USART 外圍設(shè)備:欠壓檢測/復(fù)位，POR，PWM，WDT 輸入/輸出數(shù):32 程序存儲器容量:32KB（16K x 16） 程序存儲器類型:閃存 EEPROM 大小:1K x 8 RAM 容量:2K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:44-TQFP 包裝:剪切帶 (CT) 其它名稱:ATMEGA324P-B15AZCT |
| MC68HC706P6ACDW | 制造商:Motorola Inc 功能描述: |
| MC68HC708MP16CFU | 制造商:MAJOR 功能描述: |
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