Tait TM9100 Service Manual

TM9100 Service Manual Circuit Descriptions 87
© Tait Electronics Limited August 2005
Figure 3.9 Block diagram of the interface circuitry
+13V8 BATT
AGND
+3V3
+13V8 SW
AUX GPI2
AUX GPI3
CH ON OFF
ITF IOP GPIO7
AUD ITF SPK+
AUD ITF SPK-
ITFVOL WIP DC
AGND
ITF CH MICAUD
CDC RXAUD
ITF RX BEEP IN
CDCAUDTAPOUT
ITFAUD TAP IN
ITFAUX MIC AUD
CDC RSSI
ITF ON OFF
ITF CH RXD
DIG CHTXD
ITF CH HOOK
ITF CH PTT
ITF CH GPI1
DIG CH GPO1
ITF CH SPI DI
DIG CH SPI DO
DIG CH SPI CLK
DIG CH LE
ITF IOP GPIO1-6
ITF IOP GPIO7
ITF IOP RXD
DIG IOP TXD
ITFAUX RXD
DIGAUX TXD
ITFAUX GPI1
ITFAUX GPI2
ITFAUX GPI3
DGND
ITFAUX GPI4-7
DIGAUX GPO4-7
AGND
AGND
AGND
+13V8 BATT
AGND
SPK+
SPK–
+13V8 BATT
+3V3
AGND
DGND
SPK+
SPK–
VOLWIP DC
CH MIC AUD
RXAUD
CH ON OFF
CH RXD
CHTXD
CH PTT
CH GPIO1
CH SPI DI
CH SPI DO
CH SPI CLK
CH LE
RXAUD
RX BEEP IN
AUDTAP OUT
AUDTAP IN
AUX MICAUD
RSSI
+13V8 SW
IOP GPIO1-6
IOP GPIO7
IOP RXD
IOPTXD
AGND
DGND
AUX RXD
AUXTXD
AUX GPI1
AUX GPI2
AUX GPI3
AGND
+13V8 SW
AUX GPIO4-7
AUDTAP OUT
AUDTAP IN
AUX MICAUD
RSSI
Interface
+3V3 CL
+5V
5V
Regulator
I/O
Combine
and
Pull-up
Resistors
Debug
Connector
Frequency
Synthesizer
Receiver
and
Transmitter
Power
Supply
CODEC
and
Audio
Digital
Board
EMC
Filters
Power
Connector
Control-
Head
Connector
EMC
Filters
ESD and
EMC
Filters
ESD and
EMC
Filters
EMC
Filters
I/O
Combine
PTT and
Hookswitch
Decode
Clamps
and
Pull-up
Resistors
Internal
Options
Connector
Clamps,
ESD
Filters,
and
EMC
Filters
Auxiliary
Connector
+3V3
Clamp
Signal Types:
RF
analog
clock
digital
asynchronous serial data
synchronous serial data

Tait TM9100 Specifications

General

Brand	Tait
Model	TM9100
Category	Radio
Language	English