VT6516 datasheet(23/73 Pages) ETC

23 / 73 page

VIA Technologies, Inc.

Preliminary VT6516 Datarsheet

-23-

reg_byte_cont_write (nextID & 0x0FF); // data bits [7:0]

reg_byte_cont_write ((nextID >> 8) & 0x0FF); // data bits [15:8]

reg_byte_cont_write ((nextID >> 16) & 0x0FF); // data bits [23:16]

reg_byte_cont_write (0); // data bits [31:24]

reg_byte_cont_write (0x02); // SRAM-write command

while (reg_byte_read(SRAM_STATUS_REG) != SRAM_ACCESS_IDLE) {}

}

void initFreeList16Mb(int maxLinkEntryNo)

{ // note: for 16Mb SDRAM,

Bank0 free list head pointer = 128

Bank1 free list head pointer = 130

int k; // k: current free entry id

int b0, b1; // b0, b1: bank0/1 free list head entry id

for(b0=b1= NULL_PTR, k= maxLinkEntryNo; k <=128; k--)

if (((k * 3) % 8) < 4)

{ writeLinkEntry(b0,k); b0=k;}

else { writeLinkEntry(b1,k); b1=k;}

}

void initFreeList64Mb(int maxLinkEntryNo)

{ // note: for 64Mb SDRAM,

Bank0 free list head pointer = 128

Bank1 free list head pointer = 131

int k; // k: current free entry id

int b0, b1; // b0, b1: bank0/1 free list head entry id

for(b0=b1= NULL_PTR, k= maxLinkEntryNo; k <=128; k--)

if (((k * 3) % 16) < 8)

{ writeLinkEntry(b0,k); b0=k;}

else { writeLinkEntry(b1,k); b1=k;}

}

VT6516 Datasheet(PDF) 23 Page - List of Unclassifed Manufacturers