參數(shù)資料
型號: MC68HC05X4CDWR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.2 MHz, MICROCONTROLLER, PDSO28
封裝: PLASTIC, SOIC-28
文件頁數(shù): 84/168頁
文件大?。?/td> 656K
代理商: MC68HC05X4CDWR2
Modes of Operation and Pin Descriptions
MC68HC05X4 Rev 1.0
22
Modes of Operation and Pin Descriptions
MOTOROLA
Figure 5. MC68HC705X4 bootloader flowchart
Bootloader
PB2 = 0 ?
Put RAMSUB
in RAM
A
PB3 = 1 ?
PB4 = 1 ?
Set count
to $0F00
Get byte
from port A
Program byte;
JSR NXTADR
Change instruction
STA to EOR
Increment count to $0F00;
Start addr ¨ $0F00
VERF LED on
Equal ?
JSR NXTADR
Get byte from Port A;
JSR RAMSUB
WAIT
A
PB4 = 1 ?
End address
($1FFF) ?
(Reserved)
Yes
No
End address
($1FFF) ?
Verify
PROG/VERF
Yes
No
10-modes
相關(guān)PDF資料
PDF描述
MC68HC708KH12FU 8-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PQFP64
MC68HC708LN56PV 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP144
MC68HC08LN56PV 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP144
MC68HC711E20CFNE 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PQCC52
MC68HC711EA9CFN2 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PQCC52
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC68HC05X4DW 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit
MC68HC08AB16A 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC08AB16AD 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers
MC68HC08AZ0 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Advance Information
MC68HC08AZ0CFU 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:Advance Information