参数资料
型号: ST5x86
厂商: 意法半导体
英文描述: 100 and 120 MHz 3.45 Volt 5x86 CPU(微处理器)
中文描述: 100和120兆赫3.45伏特5x86的CPU(微处理器)
文件页数: 12/39页
文件大小: 326K
代理商: ST5X86
ST5x86
12/39
Figure 1.8. SMM Address Region Registers (SMAR)
Note:
The SMAR register is accessed as three unique registers using separate register indices CDh, CEh, and CFh.
Note:
Access to the SMAR register is enabled by CCR3 bit 0, SMI_LOCK bit.
Table 1.8. SMAR-SIZE Field Bit Definitions
SIZE (3-0)
BLOCK SIZE
SIZE (3-0)
BLOCK SIZE
0h
Disabled
8h
512KBytes
1h
4KBytes
9h
1MBytes
2h
8KBytes
Ah
2MBytes
3h
16KBytes
Bh
4MBytes
4h
32KBytes
Ch
8MBytes
5h
64KBytes
Dh
16MBytes
6h
128KBytes
Eh
32MBytes
7h
256KBytes
Fh
4KBytes(sameas1h)
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