Technical data

Technical data subject to change Version 1.0.1

2.2 Memory on EB 200P

The following memory types are available on the EB 200P evaluation board:

2.2.1 SDRAM

The SDRAM interface consists of 2 Micron type MT48H32M16LFBF-75IT blocks.

 128-Mbyte memory capacity

 32-bit data width

 133 MHz clock frequency

2.2.2 Burst Mode FLASH

The Flash interface consists of 2 Spansion type S29WS128P0PBAW00 blocks.

 32-Mbyte memory capacity

 32-bit data width

 66 MHz maximum frequency

2.2.3 I2C EEPROM

Small 2kB I2C EEPROM is connected to ERTEC 200P GPIOs via bidirectional bus switch. Memory can be connected

or disconnected by configuration jumper. The following table describes connection between memory pins and

ERTEC’s

GPIOs (via bus switch).

Signal Signal function Connection Note

Chip address bit 0

Pull down



Chip address bit 1 Pull down 1k

Chip address bit 2 Pull down 1k

SDA

Data GPIO(15) 4.7k pull up to 3.3V

SCL Clock GPIO(14) 4.7k pull up to 3.3V

XWC

Write enable Pull down 1k

Table 9 I2C EEPROM connection