参数资料
型号: ST72324BLK4BA/XXX
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, PDIP32
封装: 0.400 INCH, PLASTIC, SDIP-32
文件页数: 24/151页
文件大小: 1209K
代理商: ST72324BLK4BA/XXX
ST72F324L, ST72324BL
12/151
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 locations, up to 1024 bytes of
RAM and up to 32 Kbytes of user program memo-
ry. The RAM space includes up to 256 bytes for
the stack from 0100h to 01FFh.
The highest address bytes contain the user reset
and interrupt vectors.
IMPORTANT: Memory locations marked as “Re-
served” must never be accessed. Accessing a re-
served area can have unpredictable effects on the
device.
Figure 5. Memory Map
0000h
RAM
Program Memory
(32K, 16K or 8K)
Interrupt & Reset Vectors
HW Registers
0080h
007Fh
7FFFh
8000h
FFDFh
FFE0h
FFFFh
(see Table 8)
0880h
Reserved
087Fh
Short Addressing
RAM (zero page)
256 Bytes Stack
16-bit Addressing
RAM
0100h
01FFh
027Fh
0080h
0200h
00FFh
32 KBytes
8000h
FFFFh
(1024,
or 047Fh
16 KBytes
C000h
512 or 384 Bytes)
8 Kbytes
E000h
1
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