FDC37B787QF SMSC [SMSC Corporation], FDC37B787QF Datasheet - Page 168

• Manufacturer Part Number: FDC37B787QF
• Description: Super I/O Controller with ACPI Support, Real Time Clock and Consumer IR
• Manufacturer: SMSC [SMSC Corporation]

Programming Example
The following is an example of a configuration program in Intel 8086 assembly language.
;----------------------------.
; ENTER CONFIGURATION MODE
;----------------------------'
MOV DX,3F0H
MOV AX,055H
CLI ; disable interrupts
OUT DX,AL
STI ; enable interrupts
;-------------------------------.
; CONFIGURE REGISTER CRE0,
; LOGICAL DEVICE 8
;-------------------------------'
MOV DX,3F0H
MOV AL,07H
OUT DX,AL
MOV DX,3F1H
MOV AL, 08H
OUT DX,AL
;
MOV DX,3F0H
MOV AL,E0H
OUT DX,AL ; Point to CRE0
MOV DX,3F1H
MOV AL,02H
OUT DX,AL ; Update CRE0
;-------------------------------.
; EXIT CONFIGURATION MODE
;-------------------------------'
MOV DX,3F0H
MOV AX,0AAH
OUT DX,AL
Notes: 1. HARD RESET: RESET_DRV pin asserted
2. SOFT RESET: Bit 0 of Configuration Control register set to one
3. All host accesses are blocked for 500µs after Vcc POR (see Power-up Timing Diagram)
; Point to LD# Config Reg
; Point to Logical Device 8
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