W83697HG Nuvoton Technology Corporation of America, W83697HG Datasheet - Page 67

• Manufacturer Part Number: W83697HG
• Description: IC LPC SUPER I/O 128-PQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83697HG

• Applications: PC's, PDA's
• Interface: LPC
• Voltage - Supply: 3.3V, 5V
• Package / Case: 128-XFQFN
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.3.4
The following example is written in Intel 8086 assembly language. It assumes that the EFER is located
at 2Eh, so EFIR is located at 2Eh and EFDR is located at 2Fh. If HEFRAS (CR26 bit 6) is set, 4Eh
can be directly replaced by 4Eh and 2Fh replaced by 4Fh.
;-----------------------------------------------------------------------------------
; Enter the extended function mode ,interruptible double-write
;-----------------------------------------------------------------------------------
MOV
MOV AL,87H
OUT
OUT
;-----------------------------------------------------------------------------
; Configurate logical device 1, configuration register CRF0 |
;-----------------------------------------------------------------------------
MOV
MOV
OUT
MOV
MOV
OUT
;
MOV
MOV
OUT
MOV
MOV AL,3CH
OUT
;------------------------------------------
; Exit extended function mode
;------------------------------------------
MOV
MOV AL,AAH
OUT
Software programming example
DX,2EH
DX,AL
DX,AL
DX,2EH
AL,07H
DX,AL
DX,2FH
AL,01H
DX,AL
DX,2EH
AL,F0H
DX,AL
DX,2FH
DX,AL
DX,2EH
DX,AL
; point to Logical Device Number Reg.
; select logical device 1
; select CRF0
; update CRF0 with value 3CH
|
- 64 -
|
W83697HF/ HG