OCPRF100 MP Server System Technical Product Specification

Revision 1.0

10.2.2.1Device MapsTable 10-1: Device Maps

Function

Address Range

Access

Width

 

 

 

 

Output Latch #1

FFF0 - FFFF

Write

Byte

 

 

(Read RAM Shadow)

 

 

 

 

 

Output Latch #0

FFE0 - FFEF

Write

Byte

 

 

(Read RAM Shadow)

 

 

 

 

 

RAM, Output Latch Shadow

FF00 - FFFF

Execute, Read, Write

Byte

 

 

(Shadows Output Latches)

 

 

 

 

 

Input Latch #1

FFD0 - FFDF

Read

Byte

 

 

 

 

Input Latch #0

FFC0 - FFCF

Read

Byte

 

 

 

 

PLD

FE00 - FFFF

Read, Write

Byte

 

 

 

 

RAM # 0

E000 - FDFF

Execute, Read, Write

Byte

 

 

 

 

FLASH, OPS

1000 - DFFF

Execute, Read, Write

Byte

 

 

 

 

FLASH, BOOT

0000 - 0FFF

Execute, Read

Byte

 

 

 

 

 

 

 

 

10.2.2.2I/O Memory Maps

Table 10-2: I/O Signals and Devices provides a cross reference between the I/O signals and the individual devices. These can be referenced against the device map section to resolve the absolute address.

Table 10-2: I/O Signals and Devices

Topic

Signal

Device

Addres

Acces

Offset

Bit

 

 

 

s

s

 

 

 

 

 

 

 

 

 

Not Applicable

Not Applicable

Micro Port 0

-

-

-

0 to 7

 

(Muxed Address/Data BUS)

 

 

 

 

 

 

 

 

 

 

 

 

LCD

LCD_RW

Micro Port 1

-

RW

-

0

 

 

 

 

 

 

 

LCD

LCD_EN

Micro Port 1

-

RW

-

1

 

 

 

 

 

 

 

LCD

LCD_RS

Micro Port 1

-

RW

-

2

 

 

 

 

 

 

 

Miscellaneous

RESET_OUTPUTS_L

Micro Port 1

-

RW

-

3

 

 

 

 

 

 

 

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