Zilog Z8F0411 Uživatelský manuál stáhnout pdf (Strana 21)

MDS General-Purpose Board Development Kit

User Manual

UM016905-1207 MDS-GP Board Features

C Expanders

Three I

C bus expanders are included on the MDS-GP board: U2, U13,

and U19. The address of each device is hard-wired on the MDS-GP board

and is set to the functions and addresses as shown in Table 1.

GPS and Wireless Data Options

The MDS-GP board supports plug-in options for adding wireless data and

GPS functions.

A two-way wireless module can be plugged into connectors J17 and J19

on the back of the MDS-GP board. The connector pinouts support the

maxstream 900 MHz and 2.4 GHz radio modules. For module details and

ordering information, visit www.maxstream.net

A trimble lassen SQ GPS module can be plugged into connector J15. For

module details and sales locations, visit www.trimble.com

The MDS-GP board is equipped with two holes for adding a wire-tie to

secure the module to the board. Figure 8 displays a maxstream wireless

module installed on the underside of the MDS-GP board.

These modules are not included in the MDS-GP board kit.

Table 1. I

C Bus Expanders

C Bus

Expander Address Function

U2 0100010 R/W Software serial port control jumpers

U13 0100001 R/W LCD four bit data, LCD enable pin

and LED control

U19 0100000 R/W Relay/High drive outputs

Note:

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 82 83

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