Kenwood TS-990S Service Manual page 72

TS-990S
Pin No. Name I/O
S_
131 O
SDTO6
SDMO-
132 O
SI0
SDMI-
133 I
SO0
S_SP-
134 O
DIFO0
S_SP-
135 I
DIFI0
S_
136 O
SDTO5
S_
137 O
SDTO4
138 VDDINT I
139 VDDEXT I
140 GND -
141 VDDINT I
142 GND -
S_
143 O
SDTO3
S_
144 O
SDTO2
145 S_SDTI2 I
S_
146 O
SDTO1
MCL
147 O
K48K
148 S_SDTI1 I
MCLK
149 O
96K
150 VDDEXT I
151 GND -
152 VDDINT I
153 GND -
154 VDDINT I
155 GND -
156 VDDINT I
157 VDDINT I
158 VDDINT I
159 GND -
160 VDDINT I
161 VDDINT I
162 VDDINT I
163 TDI I
164 nTRST I
165 TCK I
166 GND -
167 VDDINT I
72
SEMICONDUCTOR DATA
Function
Audio serial I/F (data) for DAC(IC385)
Audio serial I/F (data) for TXMRX-DSP
Audio serial I/F (data) form SRX-DSP
S/PDIF data output for optical CN (A650)
S/PDIF data input from optical CN (A651)
Audio serial I/F (data) for DAC (IC386)
Audio serial I/F (data) for DAC (IC391)
Internal (core) supply voltage (1.2V)
External (I/O) supply voltage (3.3V)
GND
Internal (core) supply voltage (1.2V)
GND
Audio serial I/F (data) for DAC (IC390)
Audio serial I/F (data) for DAC (IC388)
Audio serial I/F (data) form ADC (IC389)
Audio serial I/F (data) for DAC (IC387)
Audio serial I/F (MCLK) for DAC/ADC
Audio serial I/F (data) form ADC (IC392)
Audio serial I/F (MCLK) for DAC/ADC
External (I/O) supply voltage (3.3V)
GND
Internal (core) supply voltage (1.2V)
GND
Internal (core) supply voltage (1.2V)
GND
Internal (core) supply voltage (1.2V)
Internal (core) supply voltage (1.2V)
Internal (core) supply voltage (1.2V)
GND
Internal (core) supply voltage (1.2V)
Internal (core) supply voltage (1.2V)
Internal (core) supply voltage (1.2V)
For JTAG (no use)
For JTAG (no use)
For JTAG (no use)
GND
Internal (core) supply voltage (1.2V)
Pin No. Name I/O
168 TMS I For JTAG (no use)
CLK_ Core to CLKIN raito control (GND con-
169 I
CFG0 nect)
BOOT_
170 I Boot confi guration select (GND connect)
CFG0
CLK_ Core to CLKIN raito control (GND con-
171 I
CFG1 nect)
172 nEMU O For JTAG (no use)
BOOT_ Boot confi guration select
173 I
CFG1 H: FLASH Boot / L: SPI slave boot
174 TDO O For JTAG (no use)
LRCK
175 I Audio serial I/F (LRCK) from fl ipfl op
48K
LRCK Audio serial I/F (LRCK) for ADC/DAC/
176 O
96K SRX-DSP/fl ipfl op
177 SCLK48K I Audio serial I/F (BICK) from fl ipfl op
Audio serial I/F (BICK) for ADC/DAC/
178 SCLK96K O
SRX-DSP/fl ipfl op
179 VDDEXT I External (I/O) supply voltage (3.3V)
180 GND - GND
181 VDDINT I Internal (core) supply voltage (1.2V)
182 GND - GND
183 FFCLR O Clear for fl ipfl op
Communication request to DSP-sub
184 SDREQ O
MCU
CTCSS detection signal output
185 SCTDET O
H: CTCSS detection
186 SWST1 O SRX-DSP write status signal output
UAR-
187 I No connection (external pull up)
T0RX
UART-
188 O No connection
0TX
189 SPIFLG3 O No connection
190 RYBY I Rady/Busy signal input from fl ash memory
191 VDDEXT I External (I/O) supply voltage (3.3V)
192 GND - GND
193 VDDINT I Internal (core) supply voltage (1.2V)
194 GND - GND
195 SPIFLG1 I No connection (external pull up)
196 SDHLT O SRX-DSP check signal to DSP-sub MCU
TXMRX-DSP chip select
197 SDSCS I
L: Enable
198 DCLK I DSP clock input from DSP-sub MCU
DSP data input (SPI) from DSP-sub
199 DSOUT I
MCU
200 DSIN O DSP data output (SPI) for DSP-sub MCU
RESET-
201 O No connection
OUT
SRX-DSP reset
202 SDRES I
L: Reset
Function