P89LPC925 PHILIPS [NXP Semiconductors], P89LPC925 Datasheet - Page 12

• Manufacturer Part Number: P89LPC925
• Description: 8-bit microcontrollers with accelerated two-clock 80C51 core 4 kB/8 kB 3 V low-power Flash with 8-bit A/D converter
• Manufacturer: PHILIPS [NXP Semiconductors]

Table 4:
* indicates SFRs that are bit addressable.
Name
P0*
P1*
P3*
P0M1
P0M2
P1M1
P1M2
P3M1
P3M2
PCON
PCONA
PSW*
PT0AD
RSTSRC
RTCCON
RTCH
RTCL
SADDR
SADEN
SBUF
SCON*
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx
Special function registers
Description
Port 0
Port 1
Port 3
Port 0 output mode 1
Port 0 output mode 2
Port 1 output mode 1
Port 1 output mode 2
Port 3 output mode 1
Port 3 output mode 2
Power control register
Power control register A
Program status word
Port 0 digital input disable
Reset source register
Real-time clock control
Real-time clock register
HIGH
Real-time clock register LOW
Serial port address register
Serial port address enable
Serial Port data buffer
register
Serial port control
Bit address
Bit address
Bit address
Bit address
…continued
SFR
addr.
D0H
DFH
D1H
D2H
D3H
80H
90H
B0H
84H
85H
91H
92H
B1H
B2H
87H
B5H
F6H
A9H
B9H
99H
98H
Bit functions and addresses
(P0M1.7) (P0M1.6) (P0M1.5) (P0M1.4) (P0M1.3) (P0M1.2) (P0M1.1) (P0M1.0) FF
(P0M2.7) (P0M2.6) (P0M2.5) (P0M2.4) (P0M2.3) (P0M2.2) (P0M2.1) (P0M2.0) 00
(P1M1.7) (P1M1.6)
(P1M2.7) (P1M2.6)
SMOD1
SM0/FE
T1/KB7
RTCPD
RTCF
MSB
CY
B7
D7
97
9F
-
-
-
-
-
-
SMOD0
RTCS1
CMP1
/KB6
SM1
AC
B6
D6
9E
96
-
-
-
-
-
-
-
CMPREF
PT0AD.5 PT0AD.4 PT0AD.3 PT0AD.2 PT0AD.1
RTCS0
BOPD
VCPD
/KB5
BOF
SM2
RST
B5
D5
9D
95
F0
-
-
-
-
-
(P1M1.4) (P1M1.3) (P1M1.2) (P1M1.1) (P1M1.0) D3
(P1M2.4) (P1M2.3) (P1M2.2) (P1M2.1) (P1M2.0) 00
CIN1A
ADPD
/KB4
INT1
POF
REN
RS1
BOI
B4
D4
9C
94
-
-
-
-
CIN1B
R_BK
INT0/
I2PD
/KB3
SDA
GF1
RS0
TB8
B3
D3
9B
93
-
-
-
-
T0/SCL
CIN2A
R_WD
/KB2
GF0
RB8
OV
B2
D2
9A
92
-
-
-
-
-
(P3M1.1) (P3M1.0) 03
(P3M2.1) (P3M2.0) 00
PMOD1
CIN2B
XTAL1
ERTC
R_SF
/KB1
RXD
SPD
B1
D1
F1
91
99
TI
PMOD0 00
RTCEN
XTAL2
CMP2
R_EX
/KB0
LSB
TXD
B0
D0
90
98
RI
P
-
-
Reset value
Hex
00
00H
00H
60
00
00
00
00
xx
00
[1]
[1]
[1]
[1]
[1][6]
[6]
[6]
[1]
Binary
11111111
00000000
11x1xx11
00x0xx00
xxxxxx11
xxxxxx00
00000000
00000000
00000000
xx00000x
00000000
00000000
00000000
00000000
xxxxxxxx
00000000
[1]
[1]
[1]
[3]