參數(shù)資料
型號: 37C672
廠商: SMSC Corporation
英文描述: ENHANCED SUPER I/O CONTROLLER WITH FAST IR
中文描述: 增強的超級I / O控制器,快速紅外線
文件頁數(shù): 94/173頁
文件大?。?/td> 965K
代理商: 37C672
1-12
3802 GROUP USER’S MANUAL
HARDWARE
FUNCTIONAL DESCRIPTION
CPU Mode Register
The CPU mode register is allocated at address 003B16. The CPU mode
register contains the stack page selection bit.
Fig. 9. Structure of CPU mode register
CPU mode register
(CPUM : address 003B16)
b7
b0
Stack page selection bit
0 : 0 page
1 : 1 page
Not used (return “0” when read)
Processor mode bits
b1 b0
0
0 : Single-chip mode
0
1 : Memory expansion mode
1
0 : Microprocessor mode
1
1 : Not available
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