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ST7FDALI View Datasheet(PDF) - STMicroelectronics

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ST7FDALI Datasheet PDF : 141 Pages
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ST7DALI
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, 384 bytes of RAM, 256
bytes of data EEPROM and 8 Kbytes of user 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.
The Flash memory contains two sectors (see Fig-
ure 3) mapped in the upper part of the ST7 ad-
Figure 3. Memory Map
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 130).
IMPORTANT: Memory locations marked as “Re-
served” must never be accessed. Accessing a re-
seved area can have unpredictable effects on the
device.l
0000h
007Fh
0080h
01FFh
0200h
0FFFh
1000h
10FFh
1100h
HW Registers
(see Table 2)
RAM
(384 Bytes)
Reserved
Data EEPROM
(256 Bytes)
0080h
00FFh
0100h
017Fh
0180h
01FFh
Short Addressing
RAM (zero page)
16-bit Addressing
RAM
128 Bytes Stack
1000h
1001h
RCCR0
RCCR1
Reserved
DFFFh
E000h
Flash Memory
(8K)
FFDFh
FFE0h
FFFFh
Interrupt & Reset Vectors
(see Table 5)
8K FLASH
PROGRAM MEMORY
see section 7.1 on page 23
E000h
FBFFh
FC00h
FFFFh
7 Kbytes
SECTOR 1
1 Kbyte
SECTOR 0
FFDEh
FFDFh
RCCR0
RCCR1
see section 7.1 on page 23
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