EIP 545A - Page 195

I
47 LINES BCD OUTPUT
DATA DIRECTION CONTROL
I
I CA2
+
TR I
PORT B
. - / 8 - ) STATE
27 LINES RMT PGM OUTPUT
Figure 07-2. Remote ProgrammingIBCD Output Simplified Block Diagram
/ 8
PIA
:[i
g
CB 2
/ I
BUFFER
1r \r n
1 BIT 4 BITPAR IN44
LATCH
BIT PAR OUT SHIFT
a
I-
a
24
BCD LOAD
24 BIT PAR
IN / 8 BIT PAR OUT
SHIFT REGISTER
/
-
r
7
BCD CLOCK
, ,
L
r
RMT LOAD
RMT CLOCK
/
Scans by ArtekMedia © 2007