3 - 5
3-6 PORT ALLOCATIONS
• CPU (LOGIC UNIT: IC1)
PIN
No.
LINE
NAME
SIGNAL DESCRIPTION
I\O ACTIVE
PULL-UP/
PULL-DOWN
1
DTFS DSP data frame (TX)
O
H
–
–
2
DCK
DSP data clock
O
–
–
–
3
DRXS DSP data (RX)
I
–
–
47 k
Ω
pull-
down
4
DTXS DSP data (TX)
O
–
–
–
5
DRESL DSP reset
O
L
DSP reset=L
47 k
Ω
pull-
down
6
BYTE
External bass width setting
16 bit=H, 8 bit=L, single chip=VSS
O
–
–
–
8
UPWS USB HUB power supply control
O
H
USB turn ON=H
47 k
Ω
pull-
down
9
UMDS USB modulation input line control
O
H
USB side=H, ACC side=L
–
10
RESET Reset signal
I
L
Reset
10 k
Ω
pull-up
16
EBUSY CI-V buss busy input
I
–
edge interrrupt
100 k
Ω
pull-up
17
VBUS USB VBUS detect
I
H
USB connect
–
18
PWRK [PWR] key input
I
L
L=ON
47 k
Ω
pull-up
19
BL2S LCD back light DIMMER control
O
H
H: dark, L: bright
47 k
Ω
pull-up
20
BL1S LCD back light DIMMER control
O
H
H: dark, L: bright
47 k
Ω
pull-up
21
USCK USB HUB control (Clock)
O
L
data latch
–
22
USDA USB HUB control (Data)
O
L
data=1
–
23
RSB
[M-CH/RIT] dial phase B input (10 pulse/20 click)
I
H
pulse (DOWN: phase B gain)
47 k
Ω
pull-up
24
RSA
[M-CH/RIT] dial phase A input (10 pulse/20 click)
I
H
pulse (UP: phase A gain)
47 k
Ω
pull-up
25
MSA [DIAL] phase A input
I
–
–
220 k
Ω
pull-
down
26
MSB
[DIAL] phase B input
I
–
H=down, L=up
220 k
Ω
pull-
down
27
TKEY Key signal for optional tuner
I
L
–
47 k
Ω
pull-up
28
TSTA START signal for optional tuner
O
L
–
10 k
Ω
pull-up
33
ETXD CI-V output (CLONE output)
O
H
–
100 k
Ω
pull-up
34
ERXD CI-V input (CLONE input)
I
H
–
100 k
Ω
pull-up
35
ESCK EEPROM Clock
O
L
data latch (output)
22 k
Ω
pull-up
36
ESDA EEPROM Data
IO
L
–
10 k
Ω
pull-up
37
RITD
RIT LED
O
H
turn on
47 k
Ω
pull-
down
38
TCON Tuner connect detect
I
H
tunet connect
1 M
Ω
pull-down
40
DISEN LCD OFF
O
L
L=turn on, H=turn off
100 k
Ω
pull-
down
41
DISST LCD driver serial chip enable
O
H
data transmitting
–
42
DISCK LCD driver serial clock
O
–
data latch
–
43
DISDA LCD driver serial data
O
H
data=1
–
45–
52
KR7–
KR0
Key matrix input return
I
H
H: key pull down
47 k
Ω
pull-
down
53
PWRS Power control
O
H
power ON=H
47 k
Ω
pull-
down
54
RXS
RX control
O
H
RX=H
47 k
Ω
pull-
down
55
TXS
TX control
O
H
TX=H
47 k
Ω
pull-
down
56
SNDS External SEND control (via ACC socket)
O
L
except ACC SEND TX=L
47 k
Ω
pull-up
57
BSTB Strobe for shift register of MAIN
O
H
data renewal
–
58
ASTB1 Strobe (1/2) for M62352GP (D/A)
O
H
data renewal
–
59
MCK
BAND relay system clock (shift register for RF,
shift register for 1st LO filter)
O
–
data latch
–
61
MDAT
BAND relay system data (shift register for RF, shift
register for 1LO filter)
O
H
data=1
–
63
ASTB2 Strobe (2/2) for M62352GP(D/A)
O
H
data renewal
–
64
1CN0 AD9951 (DDS for 1st LO) IO UPDATE
O
–
DDS output renewal
–
65
3DST AD9833 (DDS for 3rd LO) storobe
O
L
data transmitting
–
66
1DST AD9951 (DDS for 1st LO) strobe
O
L
data transmitting
–
67
MRESL System reset (shift register for MAIN)
O
L
main system resetting =L
47 k
Ω
pull-
down
68
PRESL
DDS system reset (shift register for 1st LO filter,
AD9951)
O
L
DDS system resetting=L
47 k
Ω
pull-
down
Содержание IC-7200
Страница 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 19 VOLTAGE DIAGRAM 21 Jun 2009 ...
Страница 33: ...Oct 2008 SERVICE MANUAL ADDENDUM CONTENTS BOARD LAYOUTS LOGIC AND MAIN UNITS 1 Nov 2008 ...
Страница 38: ...Oct 2008 SERVICE MANUAL ADDENDUM CONTENTS BOARD LAYOUTS RF AND MAIN UNITS 1 Oct 2008 ...
Страница 41: ...Oct 2008 SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 16 VOLTAGE DIAGRAM 22 Oct 2008 ...
Страница 74: ...S 14513XZ C1 Oct 2008 HF 50MHz TRANSCEIVER ...
Страница 135: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14513XZ C1 2008 Icom Inc ...