ST7LITE15 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST7LITE15

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 4 TIMERS, SPI

STMicroelectronics 

ST7LITE1

3 REGISTER & MEMORY MAP

As shown in Figure 3, 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 locations, 256 bytes of RAM, 128

bytes of data EEPROM and 4 Kbytes of flash pro-

gram memory. The RAM space includes up to 128

bytes for the stack from 180h to 1FFh.

The highest address bytes contain the user reset

and interrupt vectors.

Figure 3. Memory Map

The Flash memory contains two sectors (see Fig-

ure 3) 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 121).

IMPORTANT: Memory locations marked as “Re-

served” must never be accessed. Accessing a re-

seved area can have unpredictable effects on the

device.

0000h

007Fh

0080h

00FFh

0100h

017Fh

0180h

01FFh

0200h

0FFFh

1000h

107Fh

1080h

HW Registers

(see Table 2)

RAM

(128 Bytes)

Reserved

RAM

(128 Bytes)

Reserved

Data EEPROM

(128 Bytes)

Reserved

EFFFh

F000h

Flash Memory

(4K)

FFDFh

FFE0h

FFFFh

Interrupt & Reset Vectors

(see Table 5)

0080h

00FFh

0100h

017Fh

0180h

01FFh

Short Addressing

RAM (zero page)

Reserved

128 Bytes Stack

1000h

RCCR0

4K FLASH

PROGRAM MEMORY

1001h

RCCR1

see section 7.1 on page 23

F000h

FBFFh

FC00h

FFFFh

3 Kbytes

SECTOR 1

1 Kbyte

SECTOR 0

FFDEh

FFDFh

RCCR0

RCCR1

see section 7.1 on page 23

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