P87C51MC2BA/02-S NXP Semiconductors, P87C51MC2BA/02-S Datasheet - Page 12

• Manufacturer Part Number: P87C51MC2BA/02-S
• Description: MCU 8-Bit 87C 80C51 CISC 96KB EPROM 3.3V/5V 44-Pin PLCC Tray
• Manufacturer: NXP Semiconductors

Specifications of P87C51MC2BA/02-S

• Package: 44PLCC
• Device Core: 80C51
• Family Name: 87C
• Maximum Speed: 24 MHz
• Ram Size: 3 KB
• Program Memory Size: 96 KB
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 34
• Interface Type: SPI/UART
• Operating Temperature: 0 to 70 °C
• Number Of Timers: 3

Table 4:
Name
DPTR
DPH
DPL
EPTR
EPL
EPM
EPH
IEN0
IEN1
IP0
IP0H
IP1
IP1H
MXCON
P0
P1
[1]
[1]
[1]
[1]
[2]
[2]
[2]
[1]
[1]
[2]
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Special Function Registers
Description
Data Pointer (2 bytes)
Data Pointer HIGH
Data Pointer LOW
Extended Data Pointer (3 bytes)
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
…continued
Bit address AF
Bit address EF
Bit address BF
Bit address FF
Bit address 87
SFR
Addr.
83H
82H
FCH
FDH
FEH
A8H
E8H
B8H
B7H
F8H
F7H
FFH
80H
90H
[3]
[3]
[3]
[3]
Bit functions and addresses
MSB
EA
-
-
-
-
-
-
AD7
97
CEX4
AE
EC
EE
-
BE
PPC
PPCH
FE
-
-
-
86
AD6
96
CEX3
AD
ET2
ED
-
BD
PT2
PT2H
FD
-
-
-
85
AD5
95
CEX2/
SPICLK
AC
ES0/
ES0R
EC
-
BC
PS0/
PS0R
PS0H/
PS0RH
FC
-
-
ECRM
84
AD4
94
CEX1/
MOSI
AB
ET1
EB
ESPI
BB
PT1
PT1H
FB
PSPI
PSPIH
EAM1
83
AD3
93
CEX0
AA
EX1
EA
ES1T
BA
PX1
PX1H
FA
PS1T
PS1TH
EAM0
82
AD2
92
ECI
A9
ET0
E9
ES0T
B9
PT0
PT0H
F9
PS0T
PS0TH
ESMM
81
AD1
91
T2EX
LSB
A8
EX0
E8
ES1/
ES1R
B8
PX0
PX0H
F8
PS1/
PS1R
PS1H/
PS1RH
EIFM
80
AD0
90
T2
Reset
value
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
FFH
FFH
[6]
[6]
[6]
[6]