参数资料
型号: ST7PL35F2UA/XXXE
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20
封装: 5 X 6 MM, ROHS COMPLIANT, QFN-20
文件页数: 2/168页
文件大小: 2955K
代理商: ST7PL35F2UA/XXXE
Obsolete
Product(s)
- Obsolete
Product(s)
ST7L34, ST7L35, ST7L38, ST7L39
10/168
3 REGISTER AND MEMORY MAP
As shown in Figure 4, the MCU is capable of ad-
dressing 64 Kbytes 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 4) 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.
IMPORTANT: Memory locations marked as “Re-
served” must never be accessed. Accessing a re-
served area can have unpredictable effects on the
device.
Figure 4. Memory Map
Notes:
1. DEE0h, DEE1h, DEE2h and DEE3h addresses are located in a reserved area but are special bytes containing also
the RC calibration values which are read-accessible only in user mode. If all the EEPROM data or Flash space (including
the RC calibration values locations) has been erased (after the readout protection removal), then the RC calibration val-
ues can still be obtained through these four addresses.
0000h
RAM
Flash Memory
(8K)
Interrupt & Reset Vectors
HW Registers
0080h
007Fh
0FFFh
1000h
10FFh
FFE0h
FFFFh
0200h
Reserved
01FFh
Short Addressing
RAM (zero page)
128 bytes Stack
0180h
01FFh
0080h
00FFh
(384 bytes)
E000h
1100h
DFFFh
Reserved
FFDFh
16-bit Addressing
RAM
0100h
017Fh
1 Kbyte
7 Kbytes
SECTOR 1
SECTOR 0
8K FLASH
FFFFh
FC00h
FBFFh
E000h
PROGRAM MEMORY
Data EEPROM
(256 bytes)
DEE0h
RCCRH1
RCCRL1
and note 1.
DEE1h
DEE2h
RCCRH0
RCCRL0
DEE3h
DEE4h
1
相关PDF资料
PDF描述
ST7L35F2UA/XXXRE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20
ST7L35F2UC/XXXRE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20
ST7L39F2MC/XXXE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20
ST7L39F2UC/XXXRE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, QCC20
ST7PL34F2MC/XXXE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO20
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