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參數資料
型號: MC68HC05BD5
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)
文件頁數: 92/112頁
文件大小: 676K
代理商: MC68HC05BD5
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PDF資料
PDF描述
MC68HC705BD3 8-Bit Microcontroller Units (MCU).(8位微控制器)
MC68HC05C4 8-Bit Microcontroller Units (MCU).(8位微控制器)
MC68HC05C5 8-Bit Microcontroller Units (MCU).(8位微控制器)
MC68HC05C8A Microcontrollers
MC68HC05C9A 8-Bit Microcontroller(8位微控制器)
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