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參數(shù)資料
| 型號(hào)： | MC68HC05J3CDW |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO20 |
| 封裝： | PLASTIC, SOIC-20 |
| 文件頁(yè)數(shù)： | 9/92頁(yè) |
| 文件大?。?/td> | 912K |
| 代理商： | MC68HC05J3CDW |
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MC68HC05J3
MOTOROLA
2-1
MODES OF OPERATION AND PIN DESCRIPTIONS
2
MODES OF OPERATION AND
PIN DESCRIPTIONS
2.1
Modes of operation
The MC68HC05J3 has two modes of operation, single chip and RAM bootloader mode. Table 2-1
shows the conditions required to enter each mode on the rising edge of RESET.
2.1.1
Single chip mode
This is the normal operating mode of the MC68HC05J3. In this mode the device functions as a
self-contained microcomputer (MCU) with all on-board peripherals, including the 8-bit I/O port (A)
and the 6-bit I/O port (B), available to the user. All address and data activity occurs within the MCU.
Single chip mode is entered on the rising edge of RESET if the voltage level on the IRQ pin is
within the normal operating range.
Table 2-1 MC68HC05J3 operating mode entry conditions
RESET
IRQ
TCAP
PA3
Mode
VSS to VDD
x
Single chip
1.8VDD
1
0
RAM bootloader
Jump to RAM ($0081)
1
Load RAM & execute ($0081)
x = don’t care
TPG
14
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC05J3CP | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit |
| MC68HC05J3DW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit |
| MC68HC05J3P | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcomputer Unit |
| MC68HC05J5A | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:8-bit microcontroller units |
| MC68HC05J5ADW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:8-bit microcontroller units |
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