Nx p semi conductor s – NXP Semiconductors P89LPC9321 UM10310 User Manual
Page 13
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UM10
310
Al
l i
n
for
m
at
ion
pr
ovi
ded
in
this
do
cum
ent i
s
sub
jec
t to
leg
a
l d
is
c
la
im
er
s.
©
NXP
B.V
. 2010.
Al
l r
ig
h
ts
r
e
s
e
rv
ed.
User m
a
nu
al
Rev
. 2
— 1 No
vemb
e
r 2010
13 of
139
N
X
P Semi
conductor
s
UM10310
P8
9L
PC
93
21
U
s
e
r ma
nu
a
l
I2SCLH
Serial clock
generator/SCL
duty cycle
register high
DDH
00
0000 0000
I2SCLL
Serial clock
generator/SCL
duty cycle
register low
DCH
00
0000 0000
I2STAT
I
2
C-bus status
register
D9H
STA.4
STA.3
STA.2
STA.1
STA.0
0
0
0
F8
1111 1000
ICRAH
Input capture A
register high
ABH
00
0000 0000
ICRAL
Input capture A
register low
AAH
00
0000 0000
ICRBH
Input capture B
register high
AFH
00
0000 0000
ICRBL
Input capture B
register low
AEH
00
0000 0000
Bit address
AF
AE
AD
AC
AB
AA
A9
A8
IEN0*
Interrupt
enable 0
A8H
EA
EWDRT
EBO
ES/ESR
ET1
EX1
ET0
EX0
00
0000 0000
Bit address
EF
EE
ED
EC
EB
EA
E9
E8
IEN1*
Interrupt
enable 1
E8H
EIEE
EST
-
ECCU
ESPI
EC
EKBI
EI2C
00x0 0000
Bit address
BF
BE
BD
BC
BB
BA
B9
B8
IP0*
Interrupt
priority 0
B8H
-
PWDRT
PBO
PS/PSR
PT1
PX1
PT0
PX0
x000 0000
IP0H
Interrupt
priority 0 high
B7H
-
PWDRTH
PBOH
PSH/
PSRH
PT1H
PX1H
PT0H
PX0H
00
x000 0000
Bit address
FF
FE
FD
FC
FB
FA
F9
F8
IP1*
Interrupt
priority 1
F8H
PIEE
PST
-
PCCU
PSPI
PC
PKBI
PI2C
00x0 0000
IP1H
Interrupt
priority 1 high
F7H
PIEEH
PSTH
-
PCCUH
PSPIH
PCH
PKBIH
PI2CH
00x0 0000
Table 2.
Special function registers
…continued
* indicates SFRs that are bit addressable.
Name
Description
SFR
addr.
Bit functions and addresses
Reset value
MSB
LSB
Hex
Binary