NXP Semiconductors P89LPC9321 UM10310, User Manual

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UM10
310_
1
©
NXP
B.V
. 2008.
Al
l r
ig
h
ts
r
e
s
e
rv
ed.
User m
a
nu
al
R
e
v
. 01 —
1 Decem
ber 2008
14 of
139
N
X
P Semi
conductor
s
UM10310
P8
9L
PC
93
21
U
s
e
r ma
nu
a
l
KBCON Keypad control
register 94H - - - - - - PATN
_SEL
KBIF 00
[1]
xxxx xx00
KBMASK Keypad
interrupt mask
register 86H 00 0000 0000
KBPATN Keypad pattern
register 93H FF 1111 1111
OCRAH Output
compare A
register high EFH 00 0000 0000
OCRAL Output
compare A
register low EEH 00 0000 0000
OCRBH Output
compare B
register high FBH 00 0000 0000
OCRBL Output
compare B
register low FAH 00 0000 0000
OCRCH Output
compare C
register high FDH 00 0000 0000
OCRCL Output
compare C
register low FCH 00 0000 0000
OCRDH Output
compare D
register high FFH 00 0000 0000
OCRDL Output
compare D
register low FEH 00 0000 0000
Bit address 87 86 85 84 83 82 81 80
P0* Port 0 80H T1/KB7 CMP1
/KB6
CMPREF
/KB5
CIN1A
/KB4
CIN1B
/KB3
CIN2A
/KB2
CIN2B
/KB1
CMP2
/KB0
[1]
Bit address 97 96 95 94 93 92 91 90
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