p87c51mc2 NXP Semiconductors, p87c51mc2 Datasheet - Page 11

• Manufacturer Part Number: p87c51mc2
• Description: 80c51 8-bit Microcontroller Family With Extended Memory
• Manufacturer: NXP Semiconductors

Special Function Registers (Continued)
2001 Apr 06
Philips Semiconductors
P2*
P3*
P4*#
PCON#
PSW*
RCAP2H#
RCAP2L#
S0CON*
S0BUF
S0ADDR
S0ADEN
S0STAT#
S1CON#*
S1BUF#
S1ADDR#
S1ADEN#
S1STAT#
SP
SPCTL#
SPCFG#
SPDAT#
SPE#
SYMBOL
80C51 8-bit microcontroller family with extended memory
64KB/96KB OTP with 2KB/3KB RAM
Port 2
Port 3
Port 4
Power Control Register
Program Status Word
Timer2 Capture High
Timer2 Capture Low
Serial Port 0 Control
Serial Port 0 Data Buffer Register
Serial Port 0 Address Register
Serial Port 0 Address Enable
Serial Port 0 Status
Serial Port 1 Control
Serial Port 1 Data buffer Register
Serial Port 1 Address Register
Serial Port 1 Address Enable
Serial Port 1 Status
Stack Pointer (or Stack Pointer
Low Byte When EDATA
Supported)
SPI Control Register
SPI Configuration Register
SPI Data
Stack Pointer High
DESCRIPTION
ADDRESS
DIRECT
C0H
8CH
FBH
CBH
CAH
80H
81H
82H
83H
84H
A0H
B0H
D0H
A9H
B9H
E2H
E1H
E3H
87H
98H
99H
81H
‡
‡
‡
‡
‡
‡
‡
‡
DBMOD_
DBMOD_
SMOD1
SM0_0/
SM0_1/
AD15
FE_0
FE_1
SSIG
MSB
SPIF
C7
87
RD
CY
A7
B7
D7
9F
0
1
-
‡
‡
SPWCOL
INTLO_0
INTLO_1
SMOD0
SM1_0
SM1_1
BIT ADDRESS, SYMBOL, OR ALTERNATE PORT FUNCTION
AD14/
SPEN
AD22
WR
C6
86
AC
A6
B6
D6
9E
-
‡
‡
11
CIDIS_0 DBISEL_0
CIDIS_1
ADA13/
SM2_0
SM2_1
DORD
AD21
C5
85
A5
B5
T1
D5
F0
9D
-
-
-
‡
‡
AD12/AD20
DBISEL1
REN_0
REN_1
MSTR
POF
RS1
C4
84
A4
B4
D4
9C
T0
-
-
‡
‡
TB8_0
TB8_1
AD11/
CPOL
PSC3
AD19
FE_0
FE_1
INT1
GF1
RS0
C3
83
A3
B3
D3
9B
-
‡
‡
P87C51MB2/P87C51MC2
RB8_0
RB8_1
AD10/
CPHA
PSC2
AD18
BR_0
BR_1
INT0
GF0
C2
82
OV
A2
B2
D2
9A
-
‡
‡
TxD1/SS
PSC1
AD17
TxD0
OE_0
OE_1
AD9/
TI_0
TI_1
C1
81
A1
B1
PD
D1
F1
99
-
Preliminary specification
‡
‡
STINT_0
STINT_1
RxD1/
PSC0
AD16
RxD0
MISO
AD8/
RI_0
RI_1
LSB
C0
IDL
80
D0
A0
B0
98
P
-
‡
‡
00H/10H
Reset
Value
00H
00H
00H
00H
FFH
FFH
FFH
XXH
00H
00H
00H
00H
00H
00H
00H
00H
00H
08H
00H
00H
xxH
%
%
%
%
&