p89lpc904 NXP Semiconductors, p89lpc904 Datasheet - Page 10

• Manufacturer Part Number: p89lpc904
• Description: 8-bit Microcontrollers With Two-clock Accelerated 80c51 Core 1 Kb 3 V Byte-erasable Flash With 8-bit A/d Converter
• Manufacturer: NXP Semiconductors

Table 4:
* indicates SFRs that are bit addressable.
Name
FMCON
FMDATA
IEN0*
IEN1*
IP0*
IP0H
IP1*
IP1H
KBCON
KBMASK
KBPATN
P0*
P1*
P0M1
P0M2
P1M1
P1M2
PCON
PCONA
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx
P89LPC904 Special function registers
Description
Program Flash Control
(Read)
Program Flash Control
(Write)
Program Flash data
Interrupt enable 0
Interrupt enable 1
Interrupt priority 0
Interrupt priority 0 HIGH
Interrupt priority 1
Interrupt priority 1 HIGH
Keypad control register
Keypad interrupt mask
register
Keypad pattern register
Port 0
Port 1
Port 0 output mode 1
Port 0 output mode 2
Port 1 output mode 1
Port 1 output mode 2
Power control register
Power control register A
Bit address
Bit address
Bit address
Bit address
Bit address
SFR
addr.
E4H
E5H
A8H
E8H
B8H
B7H
F8H
F7H
B5H
94H
86H
93H
80H
90H
84H
85H
91H
92H
87H
…continued
FMCMD.
SMOD1
RTCPD
BUSY
PADH
MSB
PAD
EA
EF
BF
FF
87
97
7
-
-
-
-
-
-
-
-
-
-
FMCMD.
EWDRT
PWDRT
PWDRT
SMOD0
PSTH
EST
PST
EE
BE
FE
86
96
H
6
-
-
-
-
-
-
-
-
CMPREF
(P0M1.5) (P0M1.4)
(P0M2.5) (P0M2.4)
FMCMD.
PBOH
BOPD
VCPD
EBO
PBO
RST
BD
ED
FD
85
95
5
-
-
-
-
-
-
-
Bit functions and addresses
FMCMD.
ES/ESR
PS/PSR
/PSRH
CIN1A
ADPD
PSH
BOI
EC
BC
FC
84
94
4
-
-
-
-
-
-
-
-
FMCMD.
PT1H
HVA
ET1
PT1
GF1
EB
BB
FB
83
93
3
-
-
-
-
-
-
-
-
-
-
(P0M1.2)
(P0M2.2)
FMCMD.
HVE
PCH
GF0
KB2
EA
EC
BA
FA
PC
82
92
2
-
-
-
-
-
-
-
-
(P1M1.1) (P1M1.0) FF
(P1M2.1) (P1M2.0) 00
FMCMD.
PMOD1
PKBIH
PT0H
PATN
_SEL
EKBI
PKBI
RxD
SPD
ET0
PT0
SV
E9
B9
F9
81
91
1
-
-
-
FMCMD.
PMOD0
KBIF
LSB
TxD
E8
B8
F8
OI
80
90
0
-
-
-
-
-
-
-
-
-
Reset value
Hex
70
00
00
00
00
00
00
00
00
00
FF
[1]
FF
00
00
00
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
Binary
01110000
00000000
00000000
00x00000
x0000000
x0000000
00x00000
00x00000
xxxxxx00
00000000
11111111
11111111
00000000
11111111
00000000
00000000
00000000