--------------------------------------------------------------HD614P080S
EPROM
ADDR
ESS
MCU ROM ADDRESS
SOOOO
Soool
SoolF
S0020
SOO7F
sooao
S lFFF
S2oo0
S3FFF
\
0
0
0
blt4
0
0
0
bit9
Vector Address
Zero-Page Subroutine
(64 Words)
Pattern
(4096
Words)
Program
(8192
Words)
I
NOT
USED
(Set
to
"000")
blt3
b112
bltl
bit8
blt7
bit6
bltO
lower 5 bi.t}
soooo
_
JMPl
Instruction
bitS
upper 5 bit
(Jump to
RESET
Roullne)
JMPl
Instruction
(Jump
to
INTo Routine)
SooOF
_
JMPl
Ins~ion
~
Soo10
(Jump
to
INT t Routine)
I-
JMPl
"'structlon
(Jump to TIMER-A Routine)
S003F
I-
~J~~~
I:aS~~~~~~B
Routine)
S0040
~
SOFFF
JMPl
Instruction
r (Jump
to
SERIAL Roullne)
S1OO0
,
S lFFF
Fig.
1
ROM
Memory
Map
SooO
RAM-mapped Registers
31
SOIF
32~-----------{~020
Memory Registers(MR) I
.\.
47
_____
____
__
_____
__
______
S02F
48
S030
Data
(51 2 Digits)
~:;
~------------I
:~~~
Not Used
::~
I------------~
!~~~
Stack
(64 Digits)
1023
L-
__________
-J
S3FF
Interrupt Control Bits
SOOO
SOOl
S002
1-
_______
--._--\
S003
I-Po_rt_M.,..o,...d_e
...,Re...;;g
__
....;(_PM_R_)+:
_W--\
S004
~Se~ria:...I~M..:.o:...de:.,:-R..:.e"-g
:----.:(~SM,:.;;R..:.)+:
-,-W~
SS00005
6
6 Serial Data
Reg.
lower
(SRl) :
R/W
Serial Data
Reg.
Upper
(SRU)
:
R/W
S007
Timer Mode
Reg.
A
(TMA):
W
S008
9 Timer Mode
Reg.
8
(TM8):
W
S009
10
TIMER-B
(TCBl/TlRl)
:
R/W
SOOA
11
(TCBU/TlRU)
:
R/W
SOOB
12
SOOC
Not Used
31-------------'
SOIF
•
Two
registers are mapped on same address
:
Read
Only
W :
Write
Only
R/W
: Read/Write
I Timer I Event Counter
Blower
(TCBl)
R Timer
load
Reg.
lower
l Timer/Event Counter B Upper
(TCBU)
R
Timer
load
Reg.
Upper
Fig. 2 RAM Memory
Map
(TlRl)
W
(TlRU)
W
SOOOO
Soool
S0002
S0003
S0004
SooOS
S0006
Soo07
S0008
S0009
SOOOA
SOOOB
SooOC
SOOOD
SOooE
SOooF
SOOA
SooB
•
RAM
MEMORY
MAP
The
MCU
includes 576 digits x 4 bits
RAM
as
the data area
and stack area. In addition
to
these areas, interrupt control bits
and special registers are also mapped on the
RAM
memory
space.
RAM
memory map
is
illustrated in Fig. 2 and described
in the
follOWing
paragraph.
267
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