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P87C51MB2_MC2 Datasheet(PDF) 13 Page - NXP Semiconductors

Part # P87C51MB2_MC2
Description  80C51 8-bit microcontroller family with extended memory 64 kB/96 kB OTP with 2 kB/3 kB RAM
PDF  36 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

P87C51MB2_MC2 Datasheet(HTML) 13 Page - NXP Semiconductors

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Bit address A7
A6
A5
A4
A3
A2
A1
A0
P2 [1]
Port 2
A0H
AD15
AD14/
AD22
ADA13/
AD21
AD12/
AD20
AD11/
AD19
AD10/
AD18
AD9/
AD17
AD8/
AD16
FFH
Bit address B7
B6
B5
B4
B3
B2
B1
B0
P3 [1]
Port 3
B0H
RD
WR
T1
T0
INT1
INT0
TxD0
RxD0
FFH
Bit address C7[3]
C6[3]
C5[3]
C4[3]
C3[3]
C2[3]
C1[3]
C0[3]
P4 [1] [2]
Port 4
C0H[3]
-
-
-
-
-
-
TxD1/
SS
RxD1/
MISO
FFH
PCON [2]
Power Control Register
87H
SMOD1
SMOD0
-
POF
GF1
GF0
PD
IDL
00H/
10H[4]
PCONA [2]
Power Control Register A
B5H
-
PCAPD
-
SPIPD
BRGPD
T2PD
S1PD
S0PD
Bit address D7
D6
D5
D4
D3
D2
D1
D0
PSW [1]
Program Status Word
D0H
CY
AC
F0
RS1
RS0
OV
F1
P
00H
RCAP2H [2]
Timer2 Capture HIGH
CBH
00H
RCAP2L [2]
Timer2 Capture LOW
CAH
00H
Bit address 9F
9E
9D
9C
9B
9A
99
98
S0CON [1]
Serial Port 0 Control
98H
SM0_0/
FE_0
SM1_0
SM2_0
REN_0
TB8_0
RB8_0
TI_0
RI_0
00H
S0BUF
Serial Port 0 Data Buffer
Register
99H
xxH
S0ADDR
Serial Port 0 Address Register
A9H
00H
S0ADEN
Serial Port 0 Address Enable
B9H
00H
S0STAT [2]
Serial Port 0 Status
8CH[3]
DBMOD_0
INTLO_0
CIDIS_0
DBISEL_
0
FE_0
BR_0
OE_0
STINT_0
00H[6]
Bit address 87[3]
86[3]
85[3]
84[3]
83[3]
82[3]
81[3]
80[3]
S1CON [1] [2]
Serial Port 1 Control
80H[3]
SM0_1/
FE_1
SM1_1
SM2_1
REN_1
TB8_1
RB8_1
TI_1
RI_1
00H
S1BUF [2]
Serial Port 1 Data buffer
Register
81H[3]
XXH
S1ADDR [2]
Serial Port 1 Address Register
82H[3]
00H
S1ADEN [2]
Serial Port 1 Address Enable
83H[3]
00H
Table 4:
Special Function Registers…continued
Name
Description
SFR
Addr.
Bit functions and addresses
Reset
value
MSB
LSB



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