W83697HG Nuvoton Technology Corporation of America, W83697HG Datasheet - Page 69

• 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

CR23 (Default 0x00)
CR24 (Default 0x00)
CR25 (Default 0x00)
Bit 0: PNPCSV#
Bit 7 : Reserved.
Bit 6: CLKSEL(Enable 48Mhz)
Bit[5:4]: ROM size select
Bit3:MEMW# Select (PIN97)
Bit2:Reserved
Bit1 : Enable Flash ROM Interface
Bit 7 ~ 1: Reserved.
Bit 0: IPD (Immediate Power Down). When set to 1, it will put the whole chip into power down
Bit 7 ~ 4: Reserved
Bit 3: URBTRI
Bit 2: URATRI
Bit 1: PRTTRI
Bit 0: FDCTRI.
= 0 MEMW# Disable
= 1 MEMW# Enable
=01 2M
=10 4M
=11 Reserved
=00 1M
This bit is read only, and set/reset by power-on setting pin. The corresponding power-on
setting pin is PENROM#(pin 52)
= 0 Flash ROM Interface is enabled after hardware reset
= 1 Flash ROM Interface is disabled after hardware reset
= 0 The Compatible PnP address select registers have default values.
= 1 The Compatible PnP address select registers have no default value.
mode immediately.
= 0 The clock input on Pin 1 should be 24 Mhz.
= 1 The clock input on Pin 1 should be 48 Mhz.
The corresponding power-on setting pin is SOUTB (pin 61).
The corresponding power-on setting pin is DTRA# (pin 50).
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W83697HF/ HG