Kenwood TS-5700, Service Manual

Page: 37 / 91

TS-5700
S EM I CO N D U CTOR DATA
Pin
Name Port
1/0
Deta ils
2 1
RXK
P44 0
Receiver c i rc u it control " H " :
D S P s i g n a l m ute, " L" : Others
2 2 NAR
P43 I
State check
" H "
: VS-3 serial latch i d l e , " L " : Others
23 SCL
P42
0 C l o c k
E E P R O M serial clock
24
SDA P41
1/0 Data
E E P R O M serial data
25
E O M P40
I State c h e c k
" H " : D R U-3A message p layback e n d , "L" : Others
26
BYTE
I B u s width switc h i n g i n put
2 7
C NVss I C NVss
28
R E SET I Reset i n put
29
X i n I Clock i n put
30
Xout 0
Clock output
3 1
E 0
E n a b l e output
32
Vss
Power i n put
33 S C K
P33 0 Clock
E l ectric key m i c rocomputer serial data clock
34 P KS
P32 I Tra n s m i s s i o n requ est
" L" : Packet tra n s m ission req uest, " H " :
N o r m a l
35 KYS
P3 1 I I n stallation check " H " Padd l e/e l ectric key i nsta l led, " L"
:
Others
36
D S P E N P30 0 B u s control
" L " ( H ___,L)
:
Data proce s s i n g request, " H " : Others , normal
37 R E S ET
P27 0 Reset " L" :
D S P , E l ectric key, Expa n s i o n 1/0, VS-3 reset, " H " : Others , n o r m a l
38
IAC K P26 0 B u s control "L"
: Address latch, " H " : Address t h r o u g h
39
IAL P25 I B u s control " H "
·
D S P c h i p s e l ect c a n be changed, " L" : D S P c h i p sel ect can n ot be
40
PSC P24 0 Power control " H " :
Powe r O N , " H i Z" : Powe r O F F
4 1
roes
P23 0
C h i p sel ect
" L" :
Expa n s i o n 1/0 is s e l e cted, " H " : Expa n s i o n 1/0 is not selected
42 I S
P22 0 C h i p sel ect " L " : D S P is sel ected, "H" : D S P is not selected
43 IWR
P2 1 0 B u s control "L" . Data writi n g , "H" : When data is not writte n
44 I R D P20 0 B u s control "L"
: Data read i n g , "H" : W h e n data i s not read
45-49 IAD 1 5 - IAD 1 1 P 1 7 - P 1 3 1/0 Pseudo b u s
Address/data m u l t i p l ex when the D S P i s accessed,
N ot used d u r i n g expa n s i o n 1/0 access (The p revi o u s state i s m a i nt a i n e d )
5 0 - 5 2 IAD 1 0 - IAD8 P 1 2 - P 1 0 1/0 Pseudo b u s Address/data m u lti p l ex w h e n the D S P i s accessed,
Address b u s d u r i n g expa n s i o n 1/0 access
53-60 IAD7 - I ADO P07 - POO
1/0 Pseudo b u s Address/data m u lti p l ex w h e n t h e D S P i s accessed,
Data b u s d u ri n g expa n s i o n 1/0 access
61 KEY P87 I
Tra n s m ission requ est
" L " : Tra n s m ission req uest f r o m t h e keyer, " H " :
N o r m a l
62
M EA P86 I E l ectric key contro l
" H" :
Electric keyer microcomputer message playback, " L"
:
Others, normal
63 BSY P85 I E l ectric key contro l
" H"
: Electric keyer microcomputer data cannot be set, "L"
:
Others, normal
64 SS P84 I Tra n s m ission requ est " L " : Tra n s m ission req uest by the m i crop h o n e PTT, " H " : Normal
65 TXD TXD O 0 UART data
66 RXD RXDO I UART data
67 RTS P8 1 0 UART control
68 CTS
CTSO I UART control
69 Vee
Powe r i n p ut
70 AVcc Ana log powe r i n put
71 Vref Reference voltage i n p ut
72 AVss Ana log power i n put
73 Vss Power i n put
74
A M O P77 I AT control check A m p l i t u d e d ifference check, " L" : R e q u est to red uce capacity,
" H "
·
R e q u est to i n crease capac ity
75 P H O P76 I
AT control c h e c k Phase d iffe rence check, " L" : R e q u est to red u c e capacity,
" H "
·
Requ est to i n c rease capacity
7 6 , 7 7 A D C 2 . A D C 1 P75, P74 0 S i g n a l switc h i n g
M u lti p l exer switc h i n g
7 8 A N 3 A N 3 I A/D
Analog i n put switc hed by ADC 1 a n d ADC2, I C 8 y data i n p ut
79 AN2 AN2 I A/D
A n a l og i n p ut switched by ADC 1 a n d A D C 2 , I C 8 x data i n p ut
80
AN 1 AN 1 I A/D
Analog i n p ut switched by ADC 1 a n d A D C 2 , I C 7 y data i n p ut
39