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| 型號(hào)： | MC68HC705P6AMP |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP28 |
| 封裝： | PLASTIC, DIP-28 |
| 文件頁(yè)數(shù)： | 117/130頁(yè) |
| 文件大?。?/td> | 1541K |
| 代理商： | MC68HC705P6AMP |
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EPROM
Programming from an External Memory Device
MC68HC705P6A — Rev. 2.0
Advance Information
MOTOROLA
EPROM
87
10.8 Programming from an External Memory Device
In this programming mode, PC5 must be connected to VSS. PC4 and
PC3 are used to select the programming mode. The programming circuit
shown in Figure 10-2 uses an external 12-bit counter to address the
memory device containing the code to be copied. This counter requires
a clock and a reset function. The 12-bit counter can address up to
4 Kbytes of memory, which means that a port pin has to be used to
address the remaining 4 K of the 8-K memory space.
The following procedure explains how to use the programming circuit
shown in Figure 10-2 to copy a user program from an external memory
device into the MCU’s EPROM:
1. Program a 2764-type EPROM device with the desired instructions
and data. Code programmed into the 2764 must appear at the
same addresses desired in the MC68HC705P6A. Therefore, the
page zero code must start at $0020 and end at $004F, the main
body of code must start at $0100 and end at $12FF, and the user
vectors must start at $1FF0 and end at $1FFF.
NOTE:
The MOR data must appear at $1EFF and $1F00.
2. Install the programmed 2764 device into the programming circuit.
3. Install the MC68HC705P6A to be programmed into the
programming circuit.
4. Set the PROGRAM and/or VERIFY switches for the desired
operation (an open switch is the active state) and close the
RESET switch to hold the MCU in reset.
5. Make sure that the VPP source is OFF.
6. Apply the VDD source to the programming circuit.
7. Apply the VPP source to the programming circuit.
8. Open the RESET switch to allow the MCU to come out of reset
and begin execution of the software in its internal bootloader
ROM.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68HC705P6CDW | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
| MC68HC705P6P | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDIP28 |
| MC68HC705P6DW | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
| MC68HC705P6S | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, CDIP28 |
| MC68HC705P6CS | 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, CDIP28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC705P6CDW | 制造商:Motorola Inc 功能描述: |
| MC68HC705P6CP | 制造商:Freescale Semiconductor 功能描述: 制造商:Motorola Inc 功能描述: |
| MC68HC705P6ECDW | 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述: |
| MC68HC705SR3CP | 功能描述:IC MCU 3.75K 2.1MHZ OTP 40-DIP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有關(guān)文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標(biāo)準(zhǔn)包裝:490 系列:STM32 F1 核心處理器:ARM? Cortex?-M3 芯體尺寸:32-位 速度:36MHz 連通性:I²C，IrDA，LIN，SPI，UART/USART 外圍設(shè)備:DMA，PDR，POR，PVD，PWM，溫度傳感器，WDT 輸入/輸出數(shù):26 程序存儲(chǔ)器容量:64KB（64K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):2 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 10x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:36-VFQFN，36-VFQFPN 包裝:托盤 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名稱:497-9032STM32F101T8U6-ND |
| 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(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 |
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