Wang 5536 - Page 33

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V1
!:-
~ ...
•
ADDRESS BUS AO·A 15
A----
~ __ ..,.
A
5
CONTROL SIGNALS
DATA BUS
1/0
DECODE
CONTROL
BOBO
DATA
110
ZBO
DATA
110
~ (T.C. STATUS)
IN 03 (T.C. INTERRUPT STATUS)
IN 04 (MODEM TYPE)
•
IN XS USART STATUS) (RECEIVED CHAR.)
IN 07 (DEVICE TYPE)
OUT 11 (T.C CLOCK FREQUENCY)
OUT 12 (KB l;lESET DURING T.C.)
OUT 13 (1 OMS TIMER RESET DURING T.C.)
OUT 14 (T.C. CONTROL/ASYNC·BISYNC/SCA)
(OUT)
llBD
(WR)WR
INP IORO
(OUTS) KP
(O'BTR) RD
}
f08o'8o
FROM BOBO
SW1
PORT l.D.
DEVICE
TYPE
MODERN
TYPE
T.C.
INTERRUPT
STATUS
DATA BUS DO-D7
2.45 MHz
----'--
c=i
CLOCK
RXC
TXC
----tCK
RESET
USART --- RXDY
STATUS TXRDY
USART
DO-D7
~
m
RXD
CE
CID
BAND SELECT
GENERATOR
IOMS TIMER
(OUTS) KP
---
DTR
lffS .... ------~
OUT12
TXD ----t
OUT14
---t
•
RECEIVE
FROM
RS232
INTER-
FACE
XMIT
TO
RS232
INTER-
FACE
w
.i:--
0
N