Clear-Com ICS-2003 User Manual

ICS-2003 INTERCOM STATION
3-4
TECHNICAL REFERENCE
Figure 10: Digital Block Diagram—ICS-2003 Main PCB
ICS-2003 DIGITAL BLOCK DIAGRAM
Jan. 14, 1998
PROGRAM MEMORY LO BYTE
PROGRAM MEMORY HI BYTE
RAM MEMORY LO BYTE
RAM MEMORY HI BYTE
DISPLAY CONTROLLER
DISPLAY MEMORY LO BYTE
DISPLAY MEMORY HI BYTE
ADDRESS BUS A1-A19
DATA BUS D0-D15
128K X 8 128K X 8 128K X 8 128K X 8
32K X 8 32K X 8
CE0 CE1
ADDRESS DECODE
CE2
DISPLAY
COM MODULE
CE3
CONTROL BUS
RXD1 TXD1
CLOCK OSC
RESET
MICRO-PROCESSOR
ACCESSORY PANELS
PB8 PB9 PB10 PB11 PA0 PA1
SERIAL TEST PORT
RXD2 TXD2
XPDOUT XPDIN XPDCLK
XPDSTRB
PA2 PA3 PA4 PA5 PA6 PA7
PA8 PA9 PA10 PA12
SPRXD SPTXD
SPCLK
PB3 PB5 PB6 PB7
TIN1
TOUT2
TEST
FRNTPNL
AUDIOLEV1
AUDIOLEV2
AUDIOCNTRL
TINSEL0
TINSEL1
ADAC & DATA SELECT
FRONT PANEL POTS
TIN1
TINSEL0
TINSEL1
SPRXD SPTXD SPCLK
FRNTPNL
FRONT PANEL SWITCHES AND LEDS
DIGITALLY CONTROLLED POTS
SPTXD SPCLK
AUDIOLEV2
DIGITALLY CONTROLLED POTS
SPCLK SPTXD
AUDIOLEV1
ANNOUNCE TONE FILTER
ANNOUNCE TONE OUTPUT TO AUDIO
AP TEST PORT
SPRXD SPTXD SPCLK TEST
SPI SERIAL DATA BUS
ADAC CONTROL
DTMF GENERATOR
SPI 8 BIT SHIFT OUT REG
SPI 8 BIT SHIFT IN REG
MUTE RELAY AUX RELAY TALK ENABLE SA ENABLE
LOGIC IN 1 LOGIC IN 2
HEAD SENSE
SPI 8 BIT SHIFT OUT REG
INTERNAL IN/OUT CONTROL REGISTERS UNDER SPI CONTROL
SPITXD
SPICLK
AUDIOCNTRL
SPICLK
AUDIOCNTRL
SPICLK
AUDIOCNTRL
SPIRXD
AUDIOLEV3
FPSTRB
DIGITALLY CONTROLLED POTS
SPTXD SPCLK
AUDIOLEV3
SPK SPK EAR 1 EAR 1 EAR 2 EAR 2
INTERCOM VOLUME PROGRAM VOLUME MISC. CONTROLS
PANEL MIC HEAD MIC SIDE EAR 1 SIDE EAR 2

Clear-Com ICS-2003 Specifications

General

Brand	Clear-Com
Model	ICS-2003
Category	Intercom System
Language	English