p87c51mc2 NXP Semiconductors, p87c51mc2 Datasheet - Page 10

• 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
CCON#
CH#
CL#
CMOD#
DPTR
EPL#
EPM#
EPH#
IEN0*
IEN1*
IP0*
IP0H
IP1*
IP1H
MXCON#
P0*
P1*
SYMBOL
DPH
DPL
80C51 8-bit microcontroller family with extended memory
64KB/96KB OTP with 2KB/3KB RAM
PCA Counter Control
PCA Counter High
PCA Counter Low
PCA Counter Mode
Data Pointer (2 bytes)
Data Pointer High
Data Pointer Low
Extended Data Pointer Low
Extended Data Pointer Middle
Extended Data Pointer High
Interrupt Enable 0
Interrupt Enable 1
Interrupt Priority
Interrupt Priority 0 High
Interrupt Priority 1
Interrupt Priority 1 High
MX Control Register
Port 0
Port 1
DESCRIPTION
ADDRESS
DIRECT
FCH
FDH
FEH
FFH
D8H
E9H
D9H
A8H
E8H
B8H
B7H
F9H
83H
82H
F8H
F7H
80H
90H
‡
‡
‡
‡
CEX4
MSB
CIDL
AD7
DF
CF
EA
AF
EF
BF
FF
87
97
-
-
-
-
-
-
WDTE
BIT ADDRESS, SYMBOL, OR ALTERNATE PORT FUNCTION
PPCH
CEX3
PPC
AD6
DE
CR
AE
EC
EE
BE
FE
86
96
-
-
-
-
10
SPICLK
CEX2/
PT2H
AD5
ET2
PT2
DD
AD
ED
BD
FD
85
95
-
-
-
-
-
-
PS0RH
PS0H/
CEX1/
CCF4
ES0R
PS0R
MOSI
ES0/
PS0/
AD4
DC
AC
EC
BC
FC
84
94
-
-
-
-
-
PSPIH
CCF3
PT1H
CEX0
ESPI
PSPI
AD3
ET1
PT1
DB
AB
EB
BB
FB
83
93
-
-
P87C51MB2/P87C51MC2
PS1TH
CCF2
CPS1
PX1H
ES1T
PS1T
EX1
PX1
AD2
EAM
ECI
DA
AA
EA
BA
FA
82
92
PS0TH
CCF1
CPS0
ES0T
PT0H
PS0T
ESMM
T2EX
AD1
ET0
PT0
D9
A9
E9
B9
F9
81
91
Preliminary specification
PS1RH
PS1H/
CCF0
ES1R
PX0H
PS1R
ES1/
PS1/
ECF
EIFM
AD0
LSB
EX0
PX0
D8
A8
E8
B8
F8
80
90
T2
Reset
Value
00H
00H
00H
00H
00H
00H
FFH
FFH
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
%
%
%
%
%
%