P89LPC901 PHILIPS [NXP Semiconductors], P89LPC901 Datasheet - Page 22

• Manufacturer Part Number: P89LPC901
• Description: 8-bit microcontrollers with two-clock 80C51 core 1 kB 3 V Flash with 128-byte RAM
• Manufacturer: PHILIPS [NXP Semiconductors]

Table 9:
* indicates SFRs that are bit addressable.
Name
IP0H
IP1*
IP1H
KBCON
KBMASK
KBPATN
P0*
P1*
P0M1
P0M2
P1M1
P1M2
PCON
PCONA
PCONB
PSW*
PT0AD
RSTSRC
RTCCON
RTCH
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P89LPC903 Special function registers
Description
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
reserved for Power Control
Register B
Program status word
Port 0 digital input disable
Reset source register
Real-time clock control
Real-time clock register HIGH D2H
Bit address
Bit address
Bit address
Bit address
SFR
addr.
B7H
B5H
B6H
D0H
DFH
D1H
F8H
F7H
94H
86H
93H
80H
90H
84H
85H
91H
92H
87H
F6H
…continued
SMOD1
RTCPD
RTCF
MSB
CY
FF
D7
87
97
-
-
-
-
-
-
-
-
-
-
-
-
-
PWDRT
SMOD0
RTCS1
PSTH
PST
FE
D6
AC
86
96
H
-
-
-
-
-
-
-
-
-
-
CMPREF
(P0M1.5) (P0M1.4)
(P0M2.5) (P0M2.4)
(P1M1.5)
(P1M2.5)
PT0AD.5 PT0AD.4
RTCS0
PBOH
BOPD
VCPD
/KB5
BOF
RST
FD
D5
F0
85
95
-
-
-
-
Bit functions and addresses
/PSRH
CIN1A
/KB4
PSH
RS1
POF
BOI
FC
D4
84
94
-
-
-
-
-
-
-
-
PT1H
R_BK
GF1
RS0
FB
D3
83
93
-
-
-
-
-
-
-
-
-
-
-
-
(P0M1.2)
(P0M2.2)
PT0AD.2
R_WD
PCH
KB2
GF0
PC
OV
FA
D2
82
92
-
-
-
-
-
-
-
-
(P1M1.1) (P1M1.0) FF
(P1M2.1) (P1M2.0) 00
PMOD1
PKBIH
ERTC
PT0H
PATN
_SEL
R_SF
PKBI
RxD
SPD
D1
F9
81
91
F1
-
-
-
-
-
PMOD0
RTCEN
R_EX
KBIF
LSB
TxD
D0
F8
80
90
P
-
-
-
-
-
-
-
-
Reset value
Hex
00
00
00
00
00
FF
[1]
FF
00
00
00
00
00
00
[3]
60
[6]
00
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[6]
[1]
Binary
x0000000
00x00000
00x00000
xxxxxx00
00000000
11111111
11111111
00000000
11111111
00000000
00000000
00000000
xxxxxxxx
00000000
xx00000x
011xxx00
00000000