FDC37B727-NS SMSC, FDC37B727-NS Datasheet - Page 160

• Manufacturer Part Number: FDC37B727-NS
• Description: IC CTRLR SUPER I/O ENH 128-QFP
• Manufacturer: SMSC

Specifications of FDC37B727-NS

• Controller Type: I/O Controller
• Interface: ISA Host
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 30mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 128-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1005

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 ; Point to LD# Config Reg
MOV DX,3F1H
MOV AL, 08H
OUT DX,AL ; Point to Logical Device 8
;
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)
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