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參數(shù)資料
| 型號(hào)： | DS83C530-ECL |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Microcontroller |
| 英文描述： | 8-BIT, MROM, 33 MHz, MICROCONTROLLER, PQFP52 |
| 封裝： | TQFP-52 |
| 文件頁(yè)數(shù)： | 25/45頁(yè) |
| 文件大小： | 649K |
| 代理商： | DS83C530-ECL |
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DS87C530/DS83C530 EPROM/ROM Microcontrollers with Real-Time Clock
31 of 45
Figure 7. EPROM Programming Configuration
ROM-SPECIFIC FEATURES (DS83C530)
The DS83C530 supports a subset of the EPROM features found on the DS87C530.
SECURITY OPTIONS
Lock Bits
The DS83C530 employs a lock that restricts viewing of the ROM contents. When set, the lock will
prevent MOVC instructions in external memory from reading program bytes in internal memory. When
locked, the EA pin is sampled and latched on reset. The lock setting is enabled or disabled when the
devices are manufactured according to customer specifications. The lock bit cannot be read in software,
and its status can only be determined by observing the operation of the device.
Encryption Array
The DS83C530 Encryption Array allows an authorized user to verify ROM without allowing the true
memory contents to be dumped. During a verify, each byte is Exclusive NORed (XNOR) with a byte in
the Encryption Array. This results in a true representation of the ROM while the Encryption is
unprogrammed (FFh). Once the Encryption Array is programmed in a non-FFh state, the Encryption
Array is programmed (or optionally left unprogrammed) when the devices are manufactured according to
customer specifications.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS83C530-QNL | 8-BIT, MROM, 33 MHz, MICROCONTROLLER, PQCC52 |
| DS87C530-QNL | 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, PQCC52 |
| DS83C530-QCL | 8-BIT, MROM, 33 MHz, MICROCONTROLLER, PQCC52 |
| DS87C530-KCL | 8-BIT, OTPROM, 33 MHz, MICROCONTROLLER, CQCC52 |
| DTA-03D-1.5-TA-P | POSITION, LINEAR SENSOR-AC, -3-3mm |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS83C530-ECL+ | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:EPROM/ROM Microcontrollers with Real-Time Clock |
| DS83C530-ENL | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:EPROM/ROM Microcontrollers with Real-Time Clock |
| DS83C530-ENL+ | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:EPROM/ROM Microcontrollers with Real-Time Clock |
| DS83C530-QCL | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:EPROM/ROM Micro with Real Time Clock |
| DS83C530-QCL+ | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:EPROM/ROM Microcontrollers with Real-Time Clock |
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