P87C552 NXP Semiconductors, P87C552 Datasheet - Page 7

• Manufacturer Part Number: P87C552
• Description: The 87C552 Single-Chip 8-Bit Microcontroller is manufactured in anadvanced CMOS process and is a derivative of the 80C51microcontroller family
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 1.
2003 Apr 01
ACC*
ADCH#
ADCON#
AUXR
AUXR1
B*
CTCON#
CTH3#
CTH2#
CTH1#
CTH0#
CMH2#
CMH1#
CMH0#
CTL3#
CTL2#
CTL1#
CTL0#
CML2#
CML1#
CML0#
DPTR:
IEN0*#
IEN1*#
IP0*#
IP0H
IP1*#
IP1H
P5#
P4#*
P3*
P2*
P1*
P0*
SYMBOL
DPH
DPL
80C51 8-bit microcontroller
8K/256 OTP, 8 channel 10 bit A/D, I
capture/compare, high I/O, low voltage (2.7 V to 5.5 V), low power
Accumulator
A/D converter high
A/D control
Auxillary
Auxillary
B register
Capture control
Capture high 3
Capture high 2
Capture high 1
Capture high 0
Compare high 2
Compare high 1
Compare high 0
Capture low 3
Capture low 2
Capture low 1
Capture low 0
Compare low 2
Compare low 1
Compare low 0
Data pointer
Interrupt enable 0
Interrupt enable 1
Interrupt priority 0
Interrupt priority 0 high
Interrupt priority1
Interrupt priority 1 high
Port 5
Port 4
Port 3
Port 2
Port 1
Port 0
Data pointer high
Data pointer low
87C552 Special Function Registers
(2 bytes):
DESCRIPTION
ADDRESS
DIRECT
CEH
CDH
CCH
CBH
CAH
ADH
ACH
E0H
C6H
C5H
8EH
A2H
EBH
CFH
C9H
AFH
AEH
ABH
AAH
A9H
A8H
E8H
B8H
B7H
C4H
C0H
B0H
A0H
F0H
83H
82H
F8H
F7H
90H
80H
ADC.1
CMT1
ADC8
CTN3
PT2H
ADC7
MSB
SDA
ET2
PT2
A15
AD7
RD
E7
AF
EA
EF
BF
FF
C7
B7
A7
F7
97
87
–
–
–
2
C, PWM,
PCM2H
ADC.0
ECM2
PCM2
CTP3
PADH
ADC6
CMT0
AIDL
EAD
PAD
SCL
AD6
WR
A14
AE
EE
BE
FE
C6
E6
F6
B6
A6
96
86
–
BIT ADDRESS, SYMBOL, OR ALTERNATIVE PORT FUNCTION
PCM1H
CMSR5
ECM1
PCM1
ADEX
SRST
CTN2
PS1H
ADC5
ES1
PS1
RT2
AD5
A13
AD
ED
BD
FD
C5
E5
F5
B5
T1
A5
95
85
–
7
PCM0H
CMSR4
ECM0
PCM0
CTP2
PS0H
ADC4
ADCI
GF2
ES0
PS0
AD4
A12
E4
AC
EC
BC
FC
C4
B4
A4
F4
T0
94
T2
84
–
CMSR3
PCT3H
WUPD
ADCS
CTN1
ADC3
ECT3
PT1H
PCT3
INT1
CT3I
AD3
ET1
PT1
A11
AB
EB
BB
E3
F3
FB
C3
B3
A3
93
83
–
CMSR2
AADR2
LVADC
PCT2H
PX1H
ADC2
CTP1
ECT2
PCT2
INT0
CT2I
EX1
PX1
AD2
A10
AA
EA
BA
E2
F2
FA
C2
B2
A2
92
82
O
CMSR1
AADR1
PCT1H
CTN0
ECT1
PT0H
PCT1
ADC1
TXD
CT1I
ET0
PT0
AD1
C1
E1
F1
A9
E9
B9
F9
B1
A1
A9
91
81
–
–
CMSR0
AADR0
PCT0H
CTP0
ECT0
PX0H
PCT0
ADC0
CT0I
DPS
RXD
AD0
EX0
PX0
E0
A0
A8
E8
B8
C0
B0
A0
A8
LSB
F0
F8
90
80
P87C552
Product data
00H
xxxxxxxxB
xx000000B
xxxxx110B
000000x0B
00H
00H
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
00H
00H
00H
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
xxxxxxxxB
00H
00H
00H
00H
00H
00H
00H
x0000000B
x0000000B
00H
00H
xxxxxxxxB
FFH
FFH
FFH
FFH
FFH
RESET
VALUE