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參數(shù)資料
型號(hào): MC68HC705BD3
廠商: Motorola, Inc.
英文描述: 8-Bit Microcontroller Units (MCU).(8位微控制器)
中文描述: 8位微控制器單元(MCU)。(8位微控制器)
文件頁(yè)數(shù): 92/112頁(yè)
文件大小: 676K
代理商: MC68HC705BD3
MOTOROLA
11-4
MC68HC05BD3
OPERATING MODES
11
11.3
Bootstrap Mode
The bootstrap mode is provided in the EPROM part (MC68HC705BD3) as a mean of
self-programming its EPROM with minimal circuitry. It is entered on the rising edge of RESET if
IRQ pin is at 1.8V
DD
and PB5 is at logic one. RESET must be held low for 4064 cycles after POR
(power-on reset) or for a time t
RL
for any other reset. The user EPROM consists of 7.75K-bytes,
from location $2000 to $3EFF
Refer to Section 15 for further details on MC68HC705BD3.
Table 11-2
Self-Check Report
PB3
PB1
Flashing
1
0
0
1
PB0
REMARKS
O.K. (self-check is on-going)
Bad I/O
BAD RAM
BAD ROM
BAD IRQ
1
1
1
0
0
1
0
1
1=LED off, 0=LED on
TPG
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC705BD3P 制造商:Motorola 功能描述:MOTOROLA NXC4C
MC68HC705BD7P1 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC68HC705C4ACP 制造商:Freescale Semiconductor 功能描述:
MC68HC705C8AB 功能描述:IC MCU 8K OTP 2.1MHZ 42-SDIP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:HC05 標(biāo)準(zhǔn)包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN,SCI,SPI 外圍設(shè)備:POR,PWM,溫度傳感器,WDT 輸入/輸出數(shù):21 程序存儲(chǔ)器容量:40KB(20K x 16) 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤(pán) 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323
MC68HC705C8ACB 制造商:Rochester Electronics LLC 功能描述:HCO5 CORE + 8K RAM + EPR - Bulk
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