P89LPC915 Ver la hoja de datos (PDF) - NXP Semiconductors.
Número de pieza
componentes Descripción
Fabricante
P89LPC915
8-bit microcontrollers with accelerated two-clock 80C51 core 2 kB 3 V flash with 8-bit A/D converter
NXP Semiconductors.
P89LPC915 Datasheet PDF : 75 Pages
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Table 9. P89LPC917 special function registers …continued
* indicates SFRs that are bit addressable.
Name
Description
SFR Bit functions and addresses
addr. MSB
LSB
Reset value
Hex Binary
P0*
Port 0
Bit address 87
86
85
84
83
82
81
80
80H T1/KB7/
-
CMPREF CIN1A CIN1B CIN2A CIN2B CMP2 [1]
CLKOUT
/KB5
/KB4
/KB3
/KB2
/KB1
/KB0
P1*
Port 1
Bit address 97
90H
-
96
95
94
93
92
91
90
-
RST
INT1
INT0/ T0/SCL RXD
TXD [1]
SDA
P0M1
P0M2
P1M1
P1M2
Bit address B7
B6
B5
B4
B3
B2
B1
B0
Port 0 output mode 1
84H (P0M1.7)
-
(P0M1.5) (P0M1.4) (P0M1.3) (P0M1.2) (P0M1.1) (P0M1.0) FF[1] 1111 1111
Port 0 output mode 2
85H (P0M2.7)
-
(P0M2.5) (P0M2.4) (P0M2.3) (P0M2.2) (P0M2.1) (P0M2.0) 00[1] 0000 0000
Port 1 output mode 1
91H
-
-
-
(P1M1.4) (P1M1.3) (P1M1.2) (P1M1.1) (P1M1.0) D3[1] 11x1 xx11
Port 1 output mode 2
92H
-
-
-
(P1M2.4) (P1M2.3) (P1M2.2) (P1M2.1) (P1M2.0) 00[1] 00x0 xx00
PCON
PCONA
Power control register
Power control register A
87H SMOD1 SMOD0 BOPD
B5H RTCPD
-
VCPD
BOI
ADPD
GF1
I2PD
GF0
-
PMOD1 PMOD0 00 0000 0000
SPD
-
00[1] 0000 0000
Bit address D7
D6
D5
D4
D3
D2
D1
D0
PSW*
Program status word
D0H CY
AC
F0
RS1
RS0
OV
F1
P 00 0000 0000
PT0AD
RSTSRC
RTCCON
Port 0 digital input disable
Reset source register
RTC control
F6H
DFH
D1H
-
-
RTCF
-
-
RTCS1
PT0AD.5 PT0AD.4 PT0AD.3 PT0AD.2 PT0AD.1
BOF
POF
R_BK R_WD R_SF
RTCS0
-
-
-
ERTC
-
R_EX
RTCEN
00 xx00 000x
[3]
60[1][ 011x xx00
6]
RTCH
RTCL
RTC register high
RTC register low
D2H
D3H
00[6] 0000 0000
00[6] 0000 0000
SADDR
Serial port address register A9H
00 0000 0000
SADEN
Serial port address enable B9H
00 0000 0000
SBUF
Serial Port data buffer register 99H
xx xxxx xxxx
Bit address 9F
9E
9D
9C
9B
9A
99
98
SCON*
Serial port control
98H SM0/FE SM1
SM2
REN
TB8
RB8
TI
RI 00 0000 0000
SSTAT
Serial port extended status BAH DBMOD INTLO CIDIS DBISEL FE
BR
OE
STINT 00 0000 0000
register
SP
Stack pointer
81H
07 0000 0111
TAMOD
Timer 0 and 1 auxiliary mode 8FH
-
-
-
T1M2
-
-
-
T0M2 00 xxx0 xxx0
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