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| 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： | 11/101页 |
| 文件大小： | 4506K |
| 代理商： | ST7FSCR1E4U1 |
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ST7SCR1E4 ST7SCR1R4
17/101
FLASH PROGRAM MEMORY (Cont’d)
Note: If the ICCCLK or ICCDATA pins are only
used as outputs in the application, no signal isola-
tion is necessary. As soon as the Programming
Tool is plugged to the board, even if an ICC ses-
sion is not in progress, the ICCCLK and ICCDATA
pins are not available for the application. If they
are used as inputs by the application, isolation
such as a serial resistor has to implemented in
case another device forces the signal. Refer to the
Programming Tool documentation for recom-
mended resistor values.
4.6 Program Memory Read-out Protection
The read-out protection is enabled through an op-
tion bit.
For Flash devices, when this option is selected,
the program and data stored in the Flash memory
are protected against read-out (including a re-write
protection). When this protection is removed by re-
programming the Option Byte, the entire Flash
program memory is first automatically erased and
the device can be reprogrammed.
Refer to the Option Byte description for more de-
tails.
4.7 Related Documentation
For details on Flash programming and ICC proto-
col, refer to the ST7 Flash Programming Refer-
ence Manual and to the ST7 ICC Protocol Refer-
ence Manual
.
4.8 Register Description
FLASH CONTROL/STATUS REGISTER (FCSR)
Read/Write
Reset Value: 0000 0000 (00h)
This register is reserved for use by Programming
Tool software. It controls the FLASH programming
and erasing operations. For details on customizing
FLASH programming methods and In-Circuit Test-
ing, refer to the ST7 FLASH Programming and
ICC Reference Manual.
7
0
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