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參數(shù)資料
| 型號： | MC68HC05CJ4FB |
| 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, PQFP44 |
| 封裝： | PLASTIC, QFP-44 |
| 文件頁數(shù)： | 28/114頁 |
| 文件大?。?/td> | 4047K |
| 代理商： | MC68HC05CJ4FB |
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GENERAL RELEASE SPECIFICATION
MEMORY
Rev. 2.1
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2.3 RAM
The 224-byte internal RAM is positioned at $0020 through $00FF in the memory
map. All of the memory is positioned in page zero and is accessible by direct
addressing mode, but the upper 64 bytes of page zero are used for the CPU stack
area. Extreme caution should be taken if the stack area is used for data storage.
The RAM is implemented with static cells and retains its contents during the stop
and wait modes.
2.4 Self-Check ROM (MC68HC05CJ4)
Self-check ROM is the 240 bytes of mask ROM positioned at $1F00 through
$1FEF. This ROM contains self-check programs and reset/interrupt vectors in the
self-check mode.
2.5 Boot ROM (MC68HC705CJ4)
Boot ROM is the 240 bytes of mask ROM positioned at $1F00 through $1FEF. This
ROM contains bootstrap programs and reset/interrupt vectors in the bootstrap
mode. The programs include:
EPROM Programming and Verify
Dumping EPROM Contents
Reading Program into the Internal RAM
Executing Program in the Internal RAM
2.6 Mask ROM (MC68HC05CJ4)
The 3840-byte user ROM is positioned at $1000 through $1EFF, and additional
16-byte ROM is located at $1FF0 through $1FFF for user vectors. In this mask
ROM device, V
PP pin is not used and program control register (PCR) is not
implemented.
2.7 EPROM/OTP (MC68HC705CJ4)
The 3840-byte EPROM is positioned at $1000 through $1EFF, and additional
16-byte EPROM is located at $1FF0 through $1FFF for user vectors. The erased
state of EPROM is read as $FF and EPROM power is supplied from V
PP pin and
V
DD pin.
The program control register (PCR) is provided for the EPROM programming and
testing. This register is only available in special test modes.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC05CT4FB | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:General Release Specification |
| MC68HC05CT4FN | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:General Release Specification |
| MC68HC05D9 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:8-bit microcomputer with PWM outputs and LED drive |
| MC68HC05E0 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit |
| MC68HC05E0FN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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