Tandy 1400LT Service Manual page 182

UART
30
(3. 4, 8 . 15)
(3. 4. 8, 15)
(3. 4. 8, 15)
(3, 4, 8. 15)
(3. 4. 15)
(3, 4, 15)
(3. 4, 15)
(3, 4. 15)
(12)
(3)
(1. 3, 4. 5. 8. 13, 14, 15, 16)
(1. 3. 4. 5. 8. 11. 13, 14. 17)
(1. 3, 4, 5. 8, 11, 14. 16. 17)
(1. 3. 4. 5. 8, 11. 14. 16. 17)
(14)
37
36
10
B D O
BD 1
BD2
BD3
BD4
BD5
BD6
BD7
(12)
(121
(12)
5uuIH
TK
A0
A I
A2
5u-C-s
(2. 4, 5. 12. 14. 16) BRST
"
TC
4
~
4
5
6
7
100K*2/3
RA9
i z
r
570P b0
v c c
m
30 INT
3 1
32
m
13
34
35
36
37
m
RTS
SOUT
IC35
2s 1
cso
ITSR
m
SIN
A0
A I
A2
MR
FFT
X I
x2
m
D I S T R
DOSTR
RCLK BOUT
1 2 0
4.7K 4.7K
J-7
33 (15)
(12. 15) 32
I A E \ 4 4
J : 9 5 v
100K W1/3
39 (15)
5OAINT
Fi-mnm2
m
m
TXD
ITSR
m
RxD
m
FIT
1c35
c47
R21
. .
RA9
ct13
NO. 7
7-7