Toshiba T3200 User Manual page 142

A. 2 BLOCK DIAGRTAM
<
n1" nil
XCVR
DIRC
DBHEN
BCHGD~ I
BCHGE~I
LCH
CNVAO
LATDEN
<-r)7-nn
-:>
XVCR K
DIRC
DBlEN
r
A16-A9
ALE
LCH
CPHLDA
I
xn7-XD
-:>
>
ADSTB?,
LCH
r-->
AEN2
~
AENl
-
r--
ADSTBl
LCH
..
AENl
REFADO
..
..
PGA16
I
Alq-A 1
>
I
='.J
REFAD~
LCH
ALE
~
CPHlDA
CPHlD~
+DMACK
V
XCVR
I
(
r--
SEL
f - -
CTR
SEL
<;D1S-C;DR
SDl-SDD
;>
SEL
~16.:-:~'>
AENl +AEN2
t
SADREN
XA8
DRVR
C;A8-SAO
>
REFQ1..,
SA19·
·SAiL />
XCVR: Transceiver
DRVR: Driver
SEL: Selector
LCH; Latch
CTR : Counter
FIGURE A-I Bus Driver GA Block Diagram
A-2