參數(shù)資料
型號: MC68HC705BS8FB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.2 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數(shù): 14/128頁
文件大?。?/td> 752K
代理商: MC68HC705BS8FB
MOTOROLA
12-4
MC68HC05BS8
OPERATING MODES
12
12.3
Bootstrap Mode
The bootstrap mode is provided in the EPROM part (MC68HC705BS8) 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 1.8VDD and PB6 is at logic one. RESET must be held low for 4064 cycles after POR
(power-on reset) or for a time tRL for any other reset.The user EPROM consists of 10K-bytes, from
location $1800 to $3FDF.
Refer to Appendix A for further details on MC68HC705BS8.
Table 12-2 Self-Check Report
PA4
PA3
PA1
PA0
REMARKS
Flashing
O.K. (self-check is on-going)
1
Bad port A
1
0
Bad port B
1
0
1
Bad port C
1
0
Bad RAM
1
0
1
Bad ROM
1
0
1
0
Bad IRQ
1
0
1
Bad KBI
0
1
Bad CTimer
0
1
0
Bad GPWM
1=LED off, 0=LED on
TPG
108
相關(guān)PDF資料
PDF描述
MC68HC05BS8FB 8-BIT, MROM, 2.2 MHz, MICROCONTROLLER, PQFP44
MC68HC705F4P 8-BIT, OTPROM, 1.789 MHz, MICROCONTROLLER, PDIP28
MC68HC705F4FB 8-BIT, OTPROM, 1.789 MHz, MICROCONTROLLER, PQFP44
MC68HC05F4FB 8-BIT, MROM, 1.789 MHz, MICROCONTROLLER, PQFP44
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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