Tait TM8100 mobiles Service Manual page 94

Figure 3.13 Block diagram of the digital board (TM8200 radios)
Trans-
DIG TX INH
mitter
DIG SYN EN
SYN LOCK
DIG SYN TR SW
DIG SYN FAST
Frequency
DIG SYN LATCH
Synthesizer
SYN DIG FREF
DIG SYN SPI DO
DIG SYN SPI CLK
DIG RX LE
RX DIG LD
Receiver
DIG RX NB EN
DIG RX EN
CDC2 DIG SDTO
DIG CDC2 SDTI
DIG CDC2 CLK
DIG CDC2 LRCK
DIG DAC SPI DO
DIG DAC SPI CLK
DIG DAC LATCH
DIG CDC ARSM
CDC DIG VSFS
CDC DIG VSDO
DIG CDC VSDI
CDC DIG BSOFS
CDC DIG BSDO
DIG CDC ASFS
DIG CDC ASDI
CDC DIG ASDO
CODEC
DIG AUD PA EN1
and
DIG AUD PA EN2
Audio
DIG SYS CLK
DIG CDC RST
+1V8
Signal Types:
RF
analog
clock
digital
asynchronous serial data
synchronous serial data
94 Circuit Descriptions
+3V3 +1V8
Digital Board
FPGA
RESET
IO
McBSP0
4
McBSP1
4
BIRDIE
System
Clock
FPGA CLOCK
+1V5
FPGA JTAG Signals:
JTAG FPGA TCK
JTAG FPGA TMS
FPGA JTAG TDO
JTAG FPGA TDI
Factory Connector
Serial
Flash
SRAM
Flash PSU SYS RST
Memory
+3V3 +1V8
DSP
+1V5
1V5
Regulator
+1V8
1V8
Regulator
DSP JTAG Signals:
JTAG DSP TCK
JTAG DSP TMS
DSP JTAG TDO
JTAG DSP TDI
+3V3
AGND
TM8100/TM8200 Service Manual
© Tait Electronics Limited November 2007
DGND
AGND
DIG CH SPI CLK
DIG CH SPI DO
ITF CH SPI DI
DIG CH LE
ITF CH GPI1
DIG CH GPO1
ITF CH PTT
Interface
ITF CH HOOK
ITF ON OFF
ITF IOP GPIO1-7
DIG IOP TXD
ITF IOP RXD
ITF AUX GPI1-7
DIG AUX GPO4-7
DIG AUX TXD
ITF AUX RXD
DIG CH TXD
ITF CH RXD
DIG PSU LATCH
DIG WD KICK
DIG TX EN
DIG SLP EN
Power
Supply
+3V3
PSU SYS RST
DIG RX EN
JTAG DSP TRST
DSP JTAG EMU0
DSP JTAG EMU1