EM78P468NBQ EMC [ELAN Microelectronics Corp], EM78P468NBQ Datasheet - Page 54

• Manufacturer Part Number: EM78P468NBQ
• Description: 8-BIT Microcontroller
• Manufacturer: EMC [ELAN Microelectronics Corp]

EM78P468N
8-BIT Microcontroller
50 •
4.11 Code Options
The EM78P468N has one Code Option
m mory. he op n bits
C de Op on Re
W rd1 o ode o ions is
Wo
IC prog
• Bi
T
•
•
•
•
•
Bit12~10
he
Bi
Bi
Bit 7(ENW
Bi
Bi
o
e
FSMD
o
rd 0 of Co
t 12
t 9 (
t 8 (
t 6 (
t 5, 4
se b
1
0
0
0
1
1
1
Bit12 ~Bit 0
CY
CY
HL
HL
EN DTB
EN DTB
Word 1
ram
CY
HL
FS
~ 1
its
FS
FS
f c
ES
ES
W
W
ti
T
(F
MD):
FS):
ES): Cy
are s
CYES H
ming
0: N
MMD , 0): mai Os lla
FMMD1
Bit9
= “0
= “1
= “0
= “1
DTB Watchd g t
de Option
0
0
1
0
0
1
ot u
ma
et
= “
= “1
:
gis
”:
”:
sub
tio
”:
”:
pt
):
1
to “1” al
cle select for JMP and CALL
CPU is
CPU is
in or su -os llat
only on in
two ins ructions cy
0”: Ena le
ter and
Bit8
sed.
-oscil
LFS ENWDT
”: Dis ble
FMMD0
s is for IC function
can ot b accessed
lator type selectio
fo
X
X
t
a
0
1
0
1
l the time.
b
e struction cycle (J
set to select sub-osc
set to select main-osc
n
Customer ID
o
b wa hdog timer.
Bit7
r cu
n
im
ci
wa
stomer ID code
ci tor type
B FSMD FMMD
er
tc
e
tchd
or select
Main Oscillator Type
enable/disab
Bit6
(This specification is subject to change without further notice)
cles (JMP
og timer.
Word 0
Register arrangement di
RC
XT
PLL
RC
XTA
PLL
word that is not a part of the normal program
setting. The following
n.
AL type
selection.
type
type
Bit5
L type
type
type
during norma
MP or CAL
application
illator when
Product Specification (V1.2) 03.15.2005
instruction
and CALL
illator w
le bit.
1 FMMD
Bit4
hen reset occurs.
0 HLP
.
L) can be execute
) can be executed
s
l program execu
reset occurs.
Bit3
Sub Oscillator Type
are the settings for OTP
stribution:
PR2
Bit2
RC type
RC type
RC type
XTAL type
XTAL
XTAL
type
type
PR1
Bit1
tion.
d
PR0
Bit0