zspi.html
来自「一个学习单片机的」· HTML 代码 · 共 15 行
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<!--SPI for ISP 8 Bit Shift Register SPI Clock Generator AT90S2313 MISO MOSI SCK SPI Serial Interface for In-System Programming RESET GND Both the program and data memory arrays can be programmed using the serial SPI bus while RESET is pulled to GND. The serial interface consists of pins SCK, MOSI and MISO . The program and EEPROM memory arrays have separate address spaces: $0000 to $03FF for program Flash memory and $000 to $07F for EEPROM data memory. Either an external clock is supplied at pin XTAL1 or a crystal needs to be connected across pins XTAL1 and XTAL2. The minimum low and high periods for the serial clock (SCK) input are defined as follows: Low: > 2 XTAL1 clock cycle High: > 2 XTAL1 clock cycles Refer to device data sheet for Serial Programming Algorithm --><OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
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