P87C51MC2BA NXP Semiconductors, P87C51MC2BA Datasheet - Page 13

• Manufacturer Part Number: P87C51MC2BA
• Manufacturer: NXP Semiconductors

Specifications of P87C51MC2BA

• Cpu Family: 87C
• Device Core: 80C51
• Device Core Size: 8b
• Frequency (max): 24MHz
• Interface Type: SPI/UART
• Program Memory Type: EPROM
• Program Memory Size: 96KB
• Total Internal Ram Size: 3KB
• # I/os (max): 34
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Instruction Set Architecture: CISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: PLCC
• Lead Free Status / Rohs Status: Compliant

Table 4:
Name
P2
P3
P4
PCON
PCONA
PSW
RCAP2H
RCAP2L
S0CON
S0BUF
S0ADDR
S0ADEN
S0STAT
S1CON
S1BUF
S1ADDR
S1ADEN
[1]
[1]
[1] [2]
[1]
[2]
[2]
[1]
[1] [2]
[2]
[2]
[2]
[2]
[2]
[2]
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xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx
Special Function Registers
Description
Port 2
Port 3
Port 4
Power Control Register
Power Control Register A
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
…continued
Bit address A7
Bit address B7
Bit address C7
Bit address D7
Bit address 9F
Bit address 87
SFR
Addr.
A0H
B0H
C0H
87H
B5H
D0H
CBH
CAH
98H
99H
A9H
B9H
8CH
80H
81H
82H
83H
[3]
[3]
[3]
[3]
[3]
[3]
Bit functions and addresses
MSB
AD15
RD
-
SMOD1
-
CY
SM0_0/
FE_0
DBMOD_0 INTLO_0
SM0_1/
FE_1
[3]
[3]
A6
AD14/
AD22
B6
WR
C6
-
SMOD0
PCAPD
D6
AC
9E
SM1_0
86
SM1_1
[3]
[3]
A5
ADA13/
AD21
B5
T1
C5
-
-
-
D5
F0
9D
SM2_0
CIDIS_0 DBISEL_
85
SM2_1
[3]
[3]
A4
AD12/
AD20
B4
T0
C4
-
POF
SPIPD
D4
RS1
9C
REN_0
0
84
REN_1
[3]
[3]
A3
AD11/
AD19
B3
INT1
C3
-
GF1
BRGPD
D3
RS0
9B
TB8_0
FE_0
83
TB8_1
[3]
[3]
A2
AD10/
AD18
B2
INT0
C2
-
GF0
T2PD
D2
OV
9A
RB8_0
BR_0
82
RB8_1
[3]
[3]
A1
AD9/
AD17
B1
TxD0
C1
TxD1/
SS
PD
S1PD
D1
F1
99
TI_0
OE_0
81
TI_1
[3]
[3]
LSB
A0
AD8/
AD16
B0
RxD0
C0
RxD1/
MISO
IDL
S0PD
D0
P
98
RI_0
STINT_0
80
RI_1
[3]
[3]
Reset
value
FFH
FFH
FFH
00H/
10H
00H
00H
00H
00H
xxH
00H
00H
00H
00H
XXH
00H
00H
[4]
[6]