P89LPC920FDH PHILIPS [NXP Semiconductors], P89LPC920FDH Datasheet - Page 12

• Manufacturer Part Number: P89LPC920FDH
• Description: 8-bit microcontrollers with two-clock 80C51 core 2 kB/4 kB/8 kB 3 V low-power Flash with 256-byte data RAM
• Manufacturer: PHILIPS [NXP Semiconductors]

Table 4:
* indicates SFRs that are bit addressable.
Name
P1M2
P3M1
P3M2
PCON
PCONA
PSW*
PT0AD
RSTSRC
RTCCON
RTCH
RTCL
SADDR
SADEN
SBUF
SCON*
SSTAT
SP
TAMOD
TCON*
TH0
TH1
TL0
TL1
TMOD
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Special function registers
Description
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
Serial port extended status
register
Stack pointer
Timer 0 and 1 auxiliary mode
Timer 0 and 1 control
Timer 0 HIGH
Timer 1 HIGH
Timer 0 LOW
Timer 1 LOW
Timer 0 and 1 mode
Bit address
Bit address
Bit address
…continued
SFR
addr.
D0H
DFH
D1H
D2H
D3H
BAH
8CH
8DH
92H
B1H
B2H
87H
B5H
F6H
A9H
B9H
99H
98H
81H
8FH
88H
8AH
8BH
89H
Bit functions and addresses
(P1M2.7) (P1M2.6)
DBMOD
T1GATE
SMOD1
SM0/FE
RTCPD
RTCF
MSB
TF1
CY
D7
9F
8F
-
-
-
-
-
SMOD0
RTCS1
INTLO
T1C/T
SM1
TR1
AC
D6
9E
8E
-
-
-
-
-
-
PT0AD.5 PT0AD.4 PT0AD.3 PT0AD.2 PT0AD.1
RTCS0
BOPD
VCPD
CIDIS
T1M1
BOF
SM2
TF0
D5
9D
8D
F0
-
-
-
-
(P1M2.4) (P1M2.3) (P1M2.2) (P1M2.1) (P1M2.0) 00
DBISEL
T1M2
T1M0
POF
REN
RS1
TR0
BOI
D4
9C
8C
-
-
-
-
T0GATE
R_BK
I2PD
GF1
RS0
TB8
IE1
D3
9B
FE
8B
-
-
-
-
R_WD
T0C/T
GF0
RB8
OV
BR
IT1
D2
9A
8A
-
-
-
-
-
(P3M1.1) (P3M1.0) 03
(P3M2.1) (P3M2.0) 00
PMOD1
ERTC
R_SF
T0M1
SPD
OE
IE0
D1
F1
99
89
TI
-
PMOD0 00
RTCEN
STINT
R_EX
T0M2
T0M0
LSB
IT0
D0
98
RI
88
P
-
-
Reset value
Hex
00
00H
00H
60
00
00
00
00
xx
00
00
07
00
00
00
00
00
00
00
[1]
[1]
[1]
[1]
[1][6]
[6]
[6]
Binary
00x0xx00
xxxxxx11
xxxxxx00
00000000
00000000
00000000
xx00000x
00000000
00000000
00000000
00000000
xxxxxxxx
00000000
00000000
00000111
xxx0xxx0
00000000
00000000
00000000
00000000
00000000
00000000
[3]