參數(shù)資料
型號： SP37E760
廠商： SMSC Corporation
英文描述： 3.3 V I/O CONTROLLER FOR EMBEDDED APPLICATIONS
中文描述： 3.3第VI / O控制器為嵌入式應用
文件頁數(shù)： 46/78頁
文件大?。?/td> 510K
代理商： SP37E760
SMSC DS – SP37E760
Rev. 04/13/2001
7.2.4
The following is a configuration register programming example written in Intel 8086 assembly language.
PROGRAMMING EXAMPLE
;-----------------------------.
; ENTER CONFIGURATION STATE |
;-----------------------------‘
MOV
DX,3F0H
MOV
AX,055H
OUT
DX,AL
;-----------------------------.
; CONFIGURE REGISTERS CR0-CRx |
;-----------------------------‘
MOV
DX,3F0H
MOV
AL,00H
OUT
DX,AL
MOV
DX,3F1H
MOV
AL,3FH
OUT
DX,AL
;
MOV
DX,3F0H
MOV
AL,01H
OUT
DX,AL
MOV
DX,3F1H
MOV
AL,9FH
OUT
DX,AL
;
; Repeat for all CRx registers
;
;-----------------------------.
; EXIT CONFIGURATION STATE |
;Point to CR0
;Update CR0
;Point to CR1
;Update CR1
;-----------------------------‘
MOV
DX,3F0H
MOV
AX,AAH
OUT
DX,AL
7.2.5
The Configuration Select Register can only be accessed when the SP37E760 is in the configuration state. The CSR
is located at the INDEX PORT address and must be initialized with configuration register index before the register can
be accessed using the DATA PORT.
CONFIGURATION SELECT REGISTER (CSR)
7.3 Configuration Registers Description
The configuration registers are set to their default values at power up (Table 24) and are not affected by RESET,
except where noted in the register descriptions that follow.
Table 24 - Configuration Registers
DEFAULT INDEX
DB7
DB6
DB5
DB4
28H
CR00
Valid
Reserved
9CH
CR01
Lock CRx
Reserved
88H
CR02
UART2
PWR
70H
CR03 ADRX/
IRQ_B
00H
CR04
Reserved EPP Type
MIDI 2
MIDI 1
00H
CR05
DB3
Reserved
PP MODE
UART1
PWR
DB2
Reserved
PP PWR
DB1
DB0
Reserved
Reserved
Reserved
Reserved
Reserved
ADRX
IRQ_B
Reserved
PWRGD
Reserved
PP Ext. Modes
Reserved
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相關代理商/技術參數(shù)
參數(shù)描述
SP37E760-MC 制造商:SMSC 制造商全稱:SMSC 功能描述:3.3 V I/O CONTROLLER FOR EMBEDDED APPLICATIONS
SP37E760-MD 功能描述:輸入/輸出控制器接口集成電路 Super I/O Controller RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
SP37E760-MT 功能描述:輸入/輸出控制器接口集成電路 Super I/O Controller RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
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