Icom IC-7410 Service Manual

3 - 7
3-4 CPU PORT ALLOCATIONS
Pin
No.
Line
Name
Description I/O
3 VBUS
VBUS connection detect for USB HUB.
H=USB connection detected.
I
8DAVOX
MIC signal detect.
H=Input detect.
I
9 CTFL CW TX status. I
11 RTKI
RTTY keying input.
H="Space" input.
I
12 UNLK
PLL (ADF4630) unlock detect.
L=Unlock detected.
I
14 VSQM
Squelch level input.
H=Squelch open.
I
16 RTDM RTTY decode data from the DSP. I
19 MHSK0 Handshake signal from the DSP. I
23 FRES Front CPU reset signal. O
26 HIFOP1K
Optional IF filter (bandwidth=6 kHz)
installation detect.
L=Installed.
O
27 HIFOP2K
Optional IF filter (bandwidth=3 kHz)
installation detect.
L=Installed.
O
31 TRVI
Transverter input (from [ACC2]).
L=A transverter is connected.
I
33 UDTXD Data output port for [USB] connector. O
35 PWRS
Transceiver power ON/OFF control.
H=Power ON.
O
36 UPWS
USB HUB power control.
H=USB power ON.
O
37
H8_
CS6#
Dual-port SRAM chip select signal.
L=Selected.
O
38
H8_
CS7#
Expander chip select signal.
L=Selected.
O
42 PCK PLL serial clock. O
43 PDAT PLL serial data. O
44 PSL PLL strobe. O
45 PST PLL strobe output. O
46 SKYS
Straight key/electronic keyer input. (A/D)
L=Key down.
I
47 EXRL
External SEND reray output.
H=Relay ON
O
48 ESTA
External tuner "START" signal output.
L=Tuning start.
O
49 EKEY
External tuner "KEY" signal input.
L=While tuning/tune NG.
I
51 MCK Common serial clock. O
52 MDAT Common serial data. O
53 TCON External tuner conection detect. I
54 CTXD CI-V (UART) output. O
55
CRXD/
CBSY
CI-V (UART) input/CI-V bus busy input.
L=Data "1" /Busy.
I
56
PCK/
CON0
DDS clock. O
56 DSPCK DSP clock. O
57 DSPR DSP data. O
59 UDRXD USB data input. I
73–
80
H8_D8–
H8_D15
DSP address b
us. O
82 TND QPSK (L) decode data. I
Pin
No.
Line
Name
Description I/O
83 NSQ Noise pulse. I
84 PSENI
Microphone PTT input.
H=While transmitting.
I
84
H8_
WAIT#
Bus control "Wait" signal. I
85 TRAS SEND signal. O
87
H8_
LWR#
(Bus control) "L" write signal.
L=While writing.
O
88
H8_
HWR#
(Bus control) "H" write signal.
L=While writing.
O
89 H8_RD#
(Bus control) Read signal.
L=While reading.
O
90 H8_AS# (Bus control) Adress strobe. O
92 RES
CPU reset.
H=Reset.
O
94 SENI
PTT/ACC SEND signal.
H=While transmitting.
I
105 DSKY
DSP CW/RTTY keying signal.
L=Key down/space.
O
115 VOXL VOX level input. I
121 DX1 TX/RX DSP data. I
124 THRI
Internal tuner through signal.
H=Tuner through.
I
125 BEEP Beep audio. O
126 STON Side tone. O
133 LTXD
Data output (UART) for the communication
with the front CPU.
O
134 LRXD
Data input (UART) for the communication
with the front CPU.
I
135 PWRK [POWER] input. (Pull-up) I
137 EDT EEPRROM data. I/O
138 ECK EEPRROM clock. O
140 IKEY
Internal tuner "KEY" input (UART).
L=Tuner ON.
I
142 ISTA Internal tuner "START" signal (UART). O
• MAIN CPU (MAIN UNIT: IC1201)
• EXPANDER (MAIN UNIT: IC1161)
Pin
No.
Line
Name
Description I/O
12 FORL Forward wave detect voltage. (A/D) I
1 REFL Refl ected wave detect voltage. (A/D) I
14 ALCL ALC meter voltage input. (A/D) I
5 IDL Drive AMP current (ID) detect voltage. (A/D) I
4 VDL Drive AMP voltage (VD). (A/D) I
15 THML
Temperature sensing voltage from the
thermal sensor on the PA-A UNIT. (A/D)
I

Icom IC-7410 Specifications

General

Brand	Icom
Model	IC-7410
Category	Transceiver
Language	English