W83627SF-AW Winbond, W83627SF-AW Datasheet - Page 72

• Manufacturer Part Number: W83627SF-AW
• Manufacturer: Winbond

Specifications of W83627SF-AW

• Pin Count: 128
• Lead Free Status / RoHS Status: Not Compliant

11.2.4 Software programming example
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
;-----------------------------------------------------------------------------------
MOVDX,2EH
MOV AL,87H
OUTDX,AL
OUTDX,AL
;-----------------------------------------------------------------------------
; Configurate logical device 1, configuration register CRF0 |
;-----------------------------------------------------------------------------
MOVDX,2EH
MOVAL,07H
OUTDX,AL
MOVDX,2FH
MOVAL,01H
OUTDX,AL
;
MOVDX,2EH
MOVAL,F0H
OUTDX,AL
MOVDX,2FH
MOV AL,3CH
OUTDX,AL
;------------------------------------------
; Exit extended function mode
;------------------------------------------
MOVDX,2EH
MOV AL,AAH
OUTDX,AL
; point to Logical Device Number Reg.
; select logical device 1
; select CRF0
; update CRF0 with value 3CH
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W83627SF