Hitachi AP1 Data Book page 126

HMCS47C,HMCS47CL------------------------------------------------------
(a)
RO
to
R5
(b) R6
LSI
Intllnal
TOCk
(q,1
~q,2
LRA. LRB [
Instruction
p,ttern [
Instruction
LAR,LBR [
Instruction
Output Function
:--------------~
n-Oto5
2'
~ ~~'--------~--~
Rn,
2'
Rn,
Data
2' Rn,
, ,
I I ,.. __ _
I ' I
L--t-----------'" : I
Input Function
. I 2
u
21 22 23:
All botsare
~
_________
.J
set to "I"
by
the
reset function
To the accumulator and the B register
~(
/
2,
2,
2,
2.
Output Function
r- - ---- - ---------1
,
,
,
I
~ ___ ~----_-----_J
All
billare
set
to "0"
by
the
_function
Figure 14 4·bit Data I/O Block Diagram
o
I t t ' C I ne n. rue Ion VC
e
\
-
r---1
r---l
r----I
-
Rn Output Instruction
Rn
-
Plttern I n.!ructlon
(,econd
eve
lei
R2. R3
r---1
Rn Input
I n.truction
Rn Sampling Clock
Figure 15 4·bit Data I/O Timing
Set Signel by the reset function
Set Instruction
On
R_t Instruction-----I
Figure 16 1·bit Discrete I/O Block Diagram
124
IL
I - - -