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参数资料
| 型号： | ST7FSCR1E4U1 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, QCC64 |
| 封装： | QFN-64 |
| 文件页数： | 94/101页 |
| 文件大小： | 4506K |
| 代理商： | ST7FSCR1E4U1 |
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ST7SCR1E4 ST7SCR1R4
92/101
16 DEVICE CONFIGURATION AND ORDERING INFORMATION
Each device is available for production in user pro-
grammable versions (High Density FLASH) as
well as in factory coded versions (ROM/FAS-
TROM).
ST7SCR devices are ROM versions. ST7PSCR
devices are Factory Advanced Service Technique
ROM (FASTROM) versions: they are factory pro-
grammed FLASH devices.
ST7FSCR FLASH devices are shipped to custom-
ers with a default content (FFh).
This implies that FLASH devices have to be con-
figured by the customer using the Option Byte
while the ROM devices are factory-configured.
16.0.1 Option Bytes
The 8 option bits from the flash are programmed
through the static option byte SOB1. The descrip-
tion of each of these 8 bits is given below.
Static option Byte (SOB1)
OPT7:6 = Reserved
OPT5= WDGSW Hardware or software watchdog
This option bit selects the watchdog type.
0: Hardware (watchdog always activated)
1: Software (watchdog to be activated by software)
OPT4 = NEST Interrupt Controller
This bit enables the nested Interrupt Controller.
0: Nested interrupt controller disabled
1: Nested interrupt controller enabled
OPT3 = ISOCLK Clock source selection
0: Card clock is generated by the divider (48MHz/
12 = 4MHz).
1: Card clock is generated by the oscillator.
OPT2 = RETRY Number of Retries for UART ISO
0: In case of an erroneous transfer, character is
transmitted 4 times.
1: In case of an erroneous transfer, character is
transmitted 5 times.
OPT1 =
Reserved, must be kept at 1.
OPT0 = FMP_R Flash memory read-out protec-
tion
Readout protection, when selected provides a pro-
tection against program memory content extrac-
tion and against write access to Flash memory.
This protection is based on read and a write pro-
tection of the memory in test modes and ICP
mode. Erasing the option bytes when the FMP_R
option is selected induce the whole user memory
erasing first and the device can be reprogrammed.
Refer to the ST7 Flash Programming Reference
Manual and section 4.6 on page 17 for more de-
tails
.
0 : read-out protection enabled
1 : read-out protection disabled
OPT
7
6
5
4
3
2
1
OPT
0
--
WDG-
SW
NEST ISOCLK RETRY
-
FMP_R
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ST7FSCR1R4 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT LOW-POWER, FULL-SPEED USB MCU WITH 16K FLASH, 768 RAM, SMARTCARD I/F, TIMER |
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| ST7FUS-PRIMER | 功能描述:程序设计器 - 基于处理器 Low-Cost Eval Dev Tool Pack RoHS:否 制造商:Olimex Ltd. 产品:Programmers 工具用于评估:XMEGA, MegaAVR, tinyAVR 核心:AVR 接口类型:USB 工作电源电压:1.8 V to 5.5 V |
| ST7FUS-SK/RAIS | 制造商:STMicroelectronics 功能描述:Evaluation and Application Development with ST7Ultralite |
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