ST72F262G2B5 datasheet(10/172 Pages) STMICROELECTRONICS

Part #	ST72F262G2B5

Description	8-BIT MCU WITH FLASH OR ROM MEMORY, ADC, TWO 16-BIT TIMERS, I2C, SPI, SCI INTERFACES

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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3 REGISTER & MEMORY MAP

As shown in Figure 5, the MCU is capable of ad-

dressing 64K bytes of memories and I/O registers.

The available memory locations consist of 128

bytes of register location, 256 bytes of RAM and

up to 8 Kbytes of user program memory. The RAM

space includes up to 128 bytes for the stack from

0100h to 017Fh.

The highest address bytes contain the user reset

and interrupt vectors.

The Flash memory contains two sectors (see Fig-

ure 5) mapped in the upper part of the ST7 ad-

dressing space so the reset and interrupt vectors

are located in Sector 0 (F000h-FFFFh).

The size of Flash Sector 0 and other device op-

tions are configurable by Option byte (refer to Sec-

tion 15.1 on page 162).

IMPORTANT: Memory locations marked as “Re-

served” must never be accessed. Accessing a re-

seved area can have unpredictable effects on the

device.

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