W5100E01-AVR WIZnet, W5100E01-AVR Datasheet - Page 113
W5100E01-AVR
Manufacturer Part Number
W5100E01-AVR
Description
Development Boards & Kits - AVR W5100 EVAL BOARD BASED ON AVR
Manufacturer
WIZnet
Datasheet
1.W5100E01-AVR.pdf
(117 pages)
Specifications of W5100E01-AVR
Rohs
yes
Product
Development Boards
Tool Is For Evaluation Of
ATMEGA128
Core
AVR8
Interface Type
LAN, RS-232
Operating Supply Voltage
5 V
Data Bus Width
8 bit
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4.4.2.
External SRAM area is ranged from 0x0000 to 0x7fff.
The following is a VHDL Source Code that makes SRAM CS.
The following is a CUPL Source Code that makes SRAM CS.
4.4.3.
LCD is ranged 0x9000 ~ 0x9400.
WR and RD Signal are used together to control the timing.
/* *************** INPUT PINS *********************/
PIN
PIN
PIN
/* *************** OUTPUT PINS *********************/
PIN
PIN
PIN
/* < 0x8000 */
!nCS_RAM = !A15;
--nRAMCS (0x0000 - 0x7fff) :
process(Addr)
begin
end process;
if (Addr < "100000") then
nRAMCS <= '0';
nRAMCS <= '1';
[1..6] = [A10..15]; /* address upper 6bits
7 = nRD;
8 = nWR;
12 = nCS_RAM; /* External SRAM CS
13 = LCD_E;
14 = nCS_IINCHIP;
else
end if;
External SRAM Area
LCD Area
© Copyright 2007 WIZnet Co., Inc. All rights reserved.
/* read signal
/* write signal
/* LCD CS
/* iinChip CS
*/
*/
*/
*/
*/
*/
103
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