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參數(shù)資料
| 型號： | ST72121J4T1/XXX |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | PLASTIC, TQFP-44 |
| 文件頁數(shù)： | 84/87頁 |
| 文件大?。?/td> | 1365K |
| 代理商： | ST72121J4T1/XXX |
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ST72121
7.3 ORDERING INFORMATION
Each device is available for production in user pro-
grammable version (OTP) as well as in factory
coded version (ROM). OTP devices are shipped to
customer with a default blank content FFh, while
ROM factory coded parts contain the code sent by
customer. There is one common EPROM version
for debugging and prototyping which features the
maximum memory size and peripherals of the
family. Care must be taken to only use resources
available on the target device.
7.3.1 Transfer Of Customer Code
Customer code is made up of the ROM contents
and the list of the selected options (if any). The
ROM contents are to be sent on diskette, or by
electronic means, with the hexadecimal file gener-
ated by the development tool. All unused bytes
must be set to FFh.
The selected options are communicated to STMi-
croelectronics using the correctly completed OP-
TION LIST appended.
The STMicroelectronics Sales Organization will be
pleased to provide detailed information on con-
tractual points.
Figure 52. ROM Factory Coded Device Types
Figure 53. OTP User Programmable Device Types
Note: The ST72E121J4D0 (CERDIP 25 °C) is used as the EPROM versions for the above devices.
DEVICE PACKAGE
TEMP.
RANGE
XXX
/
Code name (defined by STMicroelectronics)
1 = standard 0 to +70°C
3 = automotive -40 to +125°C
6 = industrial -40 to +85°C
B= Plastic DIP
T= Plastic TQFP
ST72121J2
ST72121J4
DEVICE PACKAGE
TEMP.
RANGE
S= LVD Reset option
3 = automotive -40 to +125°C
6= industrial -40 to +85 °C
B= Plastic DIP
T= Plastic TQFP
ST72T121J2
ST72T121J4
X
85
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| ST72124J2B1/XXX | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES |
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