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參數(shù)資料
| 型號(hào)： | MC68HC05P9AVDW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
| 封裝： | SOIC-28 |
| 文件頁(yè)數(shù)： | 55/90頁(yè) |
| 文件大?。?/td> | 285K |
| 代理商： | MC68HC05P9AVDW |
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GENERAL RELEASE SPECIFICATION
MC68HC05P9A
SELF-CHECK MODE
MOTOROLA
Rev. 2.0
11-1
SECTION 11
SELF-CHECK MODE
The self-check program resides at mask ROM locations $1F00 to $1FEF. This
program is designed to check the part’s functionality with a minimum of support
hardware.
The COP subsystem is disabled in the self-check mode so that
routines that feed the COP do not exist in the self-check program.
The self-check mode is entered on the rising edge of RESET if the IRQ pin is
driven to double the supply voltage and the TCAP/PD7 pin is at logic one. RESET
must be held low for 4064 cycles after POR or for a time tRL for any other reset.
After reset, the I/O, RAM, ROM, timer, and SIOP are tested. Self-check results
(using LED’s as monitors) are shown in Table 11-1. It is not recommended that the
user code use any of the self-check code. The self-check code is subject to
change at any time to improve testability or manufacturability.
Table 11-1. Self-Check Results
PC2
PC1
PC0
REMARKS
0
1
Bad I/O
0
1
0
Bad RAM
0
1
Bad Timer
1
0
Bad ROM
1
0
1
Bad Serial
Flashing
Good Device
All Others
Bad Device
0 indicates LED is on; 1 indicates LED is off.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC68HC05P9AVP | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28 |
| MC68HC05P9AP | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28 |
| MC68HC05P9ACDW | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
| MC68HC05P9P | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28 |
| MC68HC05P9CDW | 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC05P9AVP | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS Microcontroller Unit |
| MC68HC05P9DW | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT |
| MC68HC05P9P | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT |
| MC68HC05PV8 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Techinal Data - rev 1.9 |
| MC68HC05PV8A | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Techinal Data - rev 1.9 |
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